C9 Hydrocarbon Resin: From Petrochemicals to Everyday Use
Historical Development
The story behind C9 hydrocarbon resin traces back to the postwar chemical boom. Petrochemical plants, fueled by the economic expansion of the 1950s and the hunger for synthetic materials, began cracking crude oil to meet rising demand. C9 fractions once treated as mere byproducts soon caught the attention of resin chemists. They discovered that polymerizing this fraction yielded a tough, tacky, golden material that solved problems rubber and paint makers faced for decades. C9 resins found their way into new products at a time when supply and versatility mattered more than perfection. The material didn’t begin as the star of the show, but its role became undeniable as scientists fine-tuned molecular weights and improved polymerization control, making C9 resin less of a commodity and more of a platform for innovation. I’ve seen how C9’s rise paralleled much of industrial chemistry’s march: take waste, create value, and shape modern manufacturing.
Product Overview
Modern C9 hydrocarbon resins look like pale yellow granules or chunks. These solids, often glassy and brittle at room temperature, melt easily during compounding. Their backbone comes from aromatic hydrocarbons sourced from the C9 fraction in naphtha cracking. Producers engineer each batch to suit industries like rubber, adhesives, inks, or coatings. As a result, buyers can pick products with different softening points, color, or molecular weight ranges. Manufacturers use C9 resin either as a modifier to boost tack in tire rubber, or as a binder providing gloss and stickiness in paints and inks. From my experience visiting several compounding plants, the handling of these resins remains straightforward — dump, melt, blend, and move along in production.
Physical & Chemical Properties
C9 hydrocarbon resin stands out for its amber color and signature aromatic smell. Density ranges from 1.0 to 1.1 g/cm³, making it heavier than water, but still easy to pour. At room temperature, C9 resin can shatter with a hammer, but once heated above its softening point (90°C to 140°C, depending on grade), it goes from a glassy lump to a viscous, sticky fluid. Chemically, the resin resists acids and bases, defying attack except from strong oxidizers. I have watched lab techs try dissolving C9 resin: xylene or toluene works fast, ethanol struggles. Its limited solubility in polar solvents protects it from the effects of rain or sweat in finished goods. This material holds up under sunlight better than natural resin, which means outdoor paints keep their gloss, and tires made with it resist fading.
Technical Specifications & Labeling
A technical datasheet for C9 resin will spell out the softening point (usually by Ring & Ball method), color (Gardner or Hazen scale), acid value, bromine number, and ash content. Makers label sacks or drums with batch numbers, date codes, and compliance marks (REACH, ISO, or GHS). In export, every kilogram must meet shipping regulations for non-hazardous chemicals. I’ve seen customs inspectors scrutinize these labels on resin drums, so a missing compliance code can halt months of logistics. Industrial buyers rely on these specs to choose a resin that fits their formulation, tuning viscosity or adhesion to suit the season or target market.
Preparation Method
Production of C9 resin starts with raw material separation. Steam crackers break open naphtha feedstock, splitting hydrocarbons by boiling points. C9, rich in aromatic compounds like indene, styrene, methylstyrene, and vinyltoluene, is isolated and sent to reactors. Polymerization kicks off under heat and with the help of a catalyst such as AlCl3 or BF3. Producers control temperature and residence time to hit specific properties, cracking to shorter chains or letting longer chains build for a tougher resin. After polymerization, the product gets washed, stripped of catalyst, and vacuum dried to lower leftover monomer content. The final resin cools on chill drums or in flake coolers, ready for bagging. The batch’s quality ties directly to control over these steps; even slight tweaks in feedstocks or reaction time change the look, feel, or melt behavior of the finished resin.
Chemical Reactions & Modifications
C9 hydrocarbon resin’s performance rests in its aromatic structure, which can be tweaked or cross-linked through post-polymerization chemistry. Maleic anhydride grafting, for one, gives the resin acid groups that help it bond with polar materials like EVA or natural rubber. Hydrogenation reduces color and odor, making the resin suitable for higher-end adhesives or food packaging. I have watched R&D teams experiment with cross-linkers to boost the resin’s heat resistance — crucial for applications where paint or tape faces tough summer temperatures. Chemical modifications remain key for resin suppliers who want their product in next-generation road-marking or hot-melt adhesive markets.
Synonyms & Product Names
C9 hydrocarbon resin appears on spec sheets and trade catalogs under many names: Aromatic Hydrocarbon Resin, Petroleum Resin, Coal Tar Resin, and sometimes just as “Tackifier Resin.” Some brands attach letters — “C9-A,” “C9-P” — to denote different molecular weight ranges. Large suppliers market these resins under house trademarks, but a chemist will usually look at the feedstock’s carbon count: C9 means aromatic, C5 points to aliphatic. I’ve found that requests for “manila gum” or “golden resin” from older buyers often mean a specific C9 resin from decades ago, favored for a reliable color and stickiness.
Safety & Operational Standards
Handling C9 hydrocarbon resin brings a few concerns, but many plants treat it like other solid chemicals. Resins come with SDS sheets warning about combustible dust: keep powder away from ignition sources, use local exhaust in melt zones, and avoid breathing airborne particles. Melting operations demand gloves and face shields because spilled resin sticks to skin and holds heat long enough to cause serious burns. C9 resin itself lacks acute toxicity, but the volatile monomers and solvents used around it — toluene, xylene, or catalyst residues — require good ventilation. In my training days, a pump line cracked, spilling hot resin near a poorly shielded outlet; fire marshals stressed the importance of dust housekeeping and routine inspection. Regulatory frameworks such as OSHA and local chemical control rules set exposure limits and mandate clearly marked exits and fire extinguishers in resin plants.
Application Area
C9 hydrocarbon resin works behind the scenes in products many people use each day. In tire manufacturing, the resin acts as a tackifier: rubber plies stick together better during building, curing, and roll-up. For hot-melt adhesives, C9 resin gives the bond soft, tenacious grip — whether it’s for carton sealing, woodworking, or bookbinding. Ink makers blend C9 resin into offset inks to sharpen gloss and speed up drying, helping magazine pages avoid smudges even in humid air. Paint and coating makers shift their formulas to include more or less C9 resin depending on climate, end-use, and cost. In road paint, the resin delivers both adhesion and weather resistance, which keeps lane markings intact through rain, snow, or the pounding of winter salt trucks. My work with road crews showed how important this last point becomes when markings matter for safety.
Research & Development
Companies continue to devote serious resources to advancing C9 hydrocarbon resins. Projects focus on improving thermal stability, narrowing color ranges, and adding functionality for newer adhesive systems. I have read dozens of patents on modified C9 resins, showing that competition keeps innovation active. Some labs test new catalysts to cut down on residual monomers or lower processing temperatures, which saves energy and reduces emissions. Industry demand for more sustainable materials also pushes suppliers to explore renewable feedstocks or develop methods for recycling off-spec resin. In the field, collaboration between resin suppliers and end-users often leads to breakthroughs — subtle tweaks to chemistry that allow for faster tire curing, better print resolution, or adhesives that hold up under freezing or baking conditions.
Toxicity Research
Researchers track C9 hydrocarbon resin’s health and environmental risks closely. Studies over the past decade have looked at dust inhalation, skin exposure, and the potential for residue leaching in water or soil. Pure C9 resin scores well in short-term toxicity tests. No evidence links it directly to cancer or serious chronic effects. Concerns focus more on trace monomers, especially in poorly controlled batches or low-end products. Regulators in the EU and North America require migration studies for any use in food packaging, to prevent unwanted transfer of resin byproducts. A few public studies have tackled bioaccumulation risks, showing limited uptake in aquatic organisms. Still, ongoing testing and tighter standards for impurities and emissions will drive future research, especially as recycled or bio-based fractions gain ground.
Future Prospects
C9 hydrocarbon resin faces both opportunities and challenges as industries seek greener, higher-performing materials. There’s momentum behind hydrogenated and modified resins for adhesives and specialty coatings, driven by markets in automotive, electronics, and consumer packaging. Competition from water-based systems and new polymers keeps pressure on suppliers, but it also spurs new research into better process control, functional additives, and hybrid blends. The most promising developments I’ve seen are in the push for feedstocks from renewable sources like terpene or biobased aromatics. If resin-makers can match the color and stability of fossil-based C9 using plant-derived streams, the environmental footprint of paints and adhesives could drop significantly. Regulatory trends continue nudging the sector toward lower emissions, tougher purity standards, and full lifecycle assessment — all of which means that C9 resin will keep evolving as new production tech and market needs shape the material’s path forward.
What C9 Resin Brings to the Table
C9 hydrocarbon resin often shows up behind the scenes in products folks use every day. It's manufactured from by-products of petroleum cracking, ending up as a tackifying agent, binder, or modifier. The thing is, few people realize just how many industries rely on this type of resin because its contributions usually go unnoticed unless you work with adhesives, paints, or rubbers.
Adhesives That Stick
Hot-melt adhesives rely on C9 resin for their performance in many household and industrial settings. Think of glue sticks, packaging tapes, and construction sealants. The resin helps adhesives grip surfaces and hold strong under varying temperatures. In my experience, packaging lines easily grind to a halt if glue quality wavers, especially with heavy carton closures. C9 resin’s ability to blend with waxes and elastomers puts it in the sweet spot for these demanding jobs.
Roads and Pavements That Last
C9 resin plays a big role in road construction and maintenance. It’s mixed into asphalt and bitumen for highways and parking lots. I recall working with teams repairing city potholes; when C9 resin gets added, the result tends to be smoother and long-lasting repairs. Its chemical makeup helps bind stones and protective coatings, withstanding both summer heat and cold snaps that usually crack weaker surfaces. Reliable roads matter—poor quality paving slows getting to work, costs cities more in maintenance, and can even lead to accidents.
Paints That Endure the Elements
Most people think of paint as just color on walls. In truth, paint must also weather rain, sun, spills, and scrapes. Manufacturers turn to C9 resin to boost gloss, hardness, and resilience in paints and coatings. Automotive coatings depend on this resin for smooth, shiny finishes, along with improved scratch resistance. That translates to fewer touch-ups, better protection for car bodies, and more years before rust sets in.
Printing Inks That Pop
Print shops need inks that dry fast and cling to paper. C9 resin gives just the right tackiness and viscosity for ink used on cardboard, magazines, and flexible packaging. In my days working at a label manufacturer, keeping print lines running smoothly depended on the resin's ability to prevent smudging and to help colors stay vivid even after months on a store shelf. The job calls for consistency and, when a resin batch isn’t up to snuff, productivity takes a hit. Reliable resin means reliable packaging results.
Enhancing Rubber Goods
Producers of tires, shoe soles, and industrial rubbers value C9 resin for improving processability and stretch. It helps rubber products keep elasticity longer, making them less likely to crack with age. My uncle, who spent years in tire manufacturing, mentioned how this resin made budgets stretch further by cutting down on rejects and scrap during mixing.
Looking for Solutions
Industries using C9 resin face volatility in crude oil prices, along with stricter environmental rules. One approach is developing more bio-based alternatives, though these still lag on performance in some applications. Upgrading recycling methods for both resin and products containing it could tackle waste. If chemical suppliers increase transparency about sourcing and processing, that helps businesses and consumers make informed choices.
The Two Types Up Close
Anyone in chemicals or adhesives has dealt with hydrocarbon resins at some point. They show up in everything from paints and inks to rubbers and road marking. The labels “C5” and “C9” get tossed around a lot, but there’s real science behind those names. C5 resins come from five-carbon monomers, mainly piperylene. C9 resins come from nine-carbon aromatics, mostly vinyltoluene and indene.
What C5 Resins Bring to the Table
C5 hydrocarbon resins look pale and pretty clear. These resins work best in hot melt adhesives, rubbers, and certain paints. In my experience, their biggest feature is sticking power, especially in pressure sensitive adhesives. Whether you’re working in packaging, tapes, or labels, C5 resins deliver tack and quick grip. They keep labels on bottles in a cold fridge, or boxes sealed through truck rides and summer heat.
Besides, C5 types mix easily with natural and synthetic rubbers. Tire producers often lean toward C5 for this reason. The cold-weather performance makes a difference where snow and icy roads test every component of a car tire.
C9 Resins at Work
C9 resins take a different path. They come out dark, sometimes brownish, and are full of aromatic groups. You’ll bump into them in printing inks, paint, and industrial coatings. These resins boost gloss and fill out color depth better than any C5 option. I remember watching a paint crew cover a city mural; when the paint dried under the sunlight, that pop of gloss showed the C9 resin doing its job.
C9s also handle stronger chemicals and heat better than C5. That toughness shows up in solvent-based paints and coatings for metal, steel bridges, and pipes. C9 resin-based coatings don’t chip or wear away so easily, even after a year on rough surfaces.
Performance, Price, and Picking the Right One
The choice between C5 and C9 boils down to more than technical specs. Price always matters. C5 tends to cost a bit more, partly because they come from purer feedstock. Folks choose C5 where toughness, clarity, and adhesion pay off. C9 runs cheaper, so large projects like bulk printing, industrial paints, or modifications for asphalt lean in that direction.
Mixing both C5 and C9 can bring out the best in certain applications. I’ve seen manufacturers blend them to balance stickiness and gloss in specialty adhesives. They still keep production costs under control this way.
Building Trust and Safety
Working hands-on with chemical resins has taught me to respect the need for safety. It’s not just about picking a resin by technical data or price. You want material traceability, supplier transparency, and routine lab checks. Both C5 and C9 can contain trace impurities if processing shortcuts happen. I’ve seen instances where using resins from questionable sources led to adhesive batches with variable sticking power, or paints that peeled too soon.
Choosing reputable suppliers reduces these headaches and protects end-users. Industry standards from REACH and OSHA continue to improve, which helps build trust.
Paths Forward for a Changing Industry
I see more companies pushing for sustainable processes, cleaner production, and less hazardous waste. Improvements in feedstock sourcing—shift to bio-based feed—give some hope. Demand for water-borne, low-odor versions grows yearly, especially in packaging and kid-safe products. This pressure pushes suppliers to innovate, making future resins safer for workers and consumers alike, while keeping products strong and reliable.
Why the Softening Point Actually Matters
Walk into any plant that makes adhesives, paints, or even those bright road-marking tapes, and you’ll stumble across big drums labeled “C9 Hydrocarbon Resin.” Most chemistry handbooks will tell you these resins melt—not at a specific temperature, but across a range. For C9-based resins, that sweet spot usually lands between 90°C and 110°C. I’ve seen factories pause production and test new batches with ring-and-ball testers, that old-school way of checking if resin will stand up to a sticky summer day or melt too easily if a builder in a hot climate lays pavement.
The Science—Grounded in Real Life
C9 Hydrocarbon resin comes from cracking petroleum into aromatic hydrocarbons and then linking those bits together. Unlike natural resins, C9 batches offer a predictable melting point, which means asphalt roads in Thailand hold up better than ones paved with lower-quality additives. The softening point means more than just a number on a spec sheet. Too low, and adhesives end up oozing out of packages in trucks in July; too high, and machinery starts jamming as the glue refuses to melt smoothly.
Why We All Rely on Consistent Softening Points
Packaging companies don’t leave anything to luck. They want resin that melts fast but also stays put on the box, especially once it sits in a shipping container sailing along the equator. I once visited a shoe factory in Guangdong where they switched resin brands to save money, only to end up with boxes glued shut so loosely that shoes spilled out all over the warehouse. The culprit? A batch with a softening point a shade below 90°C—cheaper, yes, but costly in the end.
Road crews juggle similar headaches. Hotter climates need resin additives that won’t turn gummy under constant sun. It’s not just about stubborn glue—chemist decisions have ripple effects all the way to streets and packaging lines, far from the lab.
Facts Backed by Practice—and Data
Data from manufacturers like Kolon and Arakawa Chemical show their commercial C9 resins almost always target that crucial 90°C–110°C softening range. This consistency doesn’t happen by chance. Production engineers monitor feedstocks and tweak polymerization times, even swap catalysts, to nail that window. In my experience, switching just one step in that chain can make or break a delivery deadline, not to mention end-user trust.
What’s Next? Chasing Reliability, Not Just Numbers
The industry faces constant pressure to tweak formulas for climate concerns, speed, and even food safety. Scientists need equipment that gives exact, repeatable results. Regular audits of softening points keep everyone honest. Some companies run in-house labs every shift, not just for compliance but to avoid shipping a dud batch and losing contracts.
Experienced chemists remember more than one occasion where chasing the “ideal” softening point led to disasters—trucks full of ruined product or return calls before dawn. Staying within the tried-and-true window keeps production teams, brand managers, and end-users all on the same page.
Honest Solutions for Better Control
Training staff is a big deal. Every operator should know that a 5-degree miss in the resin softening point could bring a line to a halt. So does investing in automated controls that monitor temperature and feedstock purity without constant supervision. I’ve seen best results in plants where managers reward focus on accuracy, not just output.
Business isn’t just about cutting corners—especially in chemicals. Setting the softening point right for C9 Hydrocarbon resin keeps factories humming, roads safer, and customers coming back.
Understanding How C9 Hydrocarbon Resin Mixes with Other Plastics
Walk into a factory where adhesives, rubber, or coatings come together and you’ll spot C9 hydrocarbon resin at work. People in plastics and chemical manufacturing use this resin because it brings a balance of stickiness and strength to different blends. That blend compatibility isn’t just about chemistry on paper; it affects how companies design everything from road-marking paint to shoelace aglets. So why does it matter if C9 resin can blend with other polymers, and where do the challenges come in?
Facts from the Floor: Where C9 Resin Fits and Where It Collides
On my visits to plastic converters, mixers have often tried adding C9 resin to systems based on EVA or SBS block copolymers. The resin tends to mix nicely, boosting tack and sometimes the finish. Some manufacturers get more flexibility or enhance adhesion in hot melt adhesives. Mixing C9 resin into natural rubber (NR) or styrene-butadiene rubber (SBR) can tighten up properties like elasticity and low-temperature performance. This isn’t just a textbook claim; I’ve seen rubber goods that went from brittle to bendy just by tweaking the blend.
Blending does bring up a few headaches too. Strong aliphatic C9 resins don’t always agree with highly polar or crystalline polymers. Polyethylene and polypropylene blends with C9 often turn cloudy, which might work for some film markets, but not for clear packaging. I’ve watched batches of PVC reject the resin outright, turning out with lumpy, inconsistent texture. In these cases, the resin-polymer bond isn’t strong enough, and instead of improving product quality, the blend drags down performance.
Digging Deeper: Chemistry, Temperatures, and Sources Matter
I learned early on that compatibility comes down to more than just mixing. The structure of C9 resin — with aromatic rings and a bit of branching — fits better with polymers that share similar chemistry. During processing, temperature controls and mixing speeds shape the result. At my last plant visit, the technical team made small tweaks to temperature and mixing order to get C9 resin to blend into EVA-based hot melts, shaving hours off production time and cutting waste rates.
C9 resin itself isn’t a “one-size-fits-all” product. Source material and refining process can shape everything from color to melt viscosity. This can throw a curveball if you switch suppliers or swap out grades. I’ve seen cases where a batch from a new resin source forced reformulation because it clumped during blending, costing both time and material.
Paths Forward: Getting More Out of Compatibility
To smooth out compatibility problems, it pays to focus on pre-testing at the lab bench. Rapid screening tests — like checking solubility or blend clarity — catch incompatibility before it hits the production line. Blending a small amount of an intermediate, such as a polar compatibilizer, sometimes helps forge better bonds between C9 and the base polymer. I’ve consulted with R&D teams who turned to block copolymers as “bridges” where C9 just couldn’t go directly into the main mix.
Transparency in sourcing and keeping technical sheets up to date reduces surprises. Open discussions with suppliers lead to better resin design for your polymer needs. The more people dig into real-world mixing instead of resting on theory, the stronger products and processes get.
What C9 Hydrocarbon Resin Really Needs
C9 hydrocarbon resin carries a certain stubbornness. Much like any industrial chemical, it doesn’t forgive lazy storage or careless handling. Factories and warehouses benefit from rules because this resin, often found in coatings, rubber, and adhesives, sneaks problems in if someone ignores the basics. People often rush to save time, skipping on small warehouse details, but every missed step translates into spoiled materials or safety risks.
Temperature: The Forgotten Factor
Leaving C9 resin in an unregulated warehouse can spark trouble. Heat speeds up aging and clumping. Cold turns it brittle and tough to process. If a warehouse in Houston hits 38°C all summer, product in a sunny corner of the building will start to soften, even fuse together, making it tough to scoop or melt for further use. Set indoor temperatures between 5°C and 35°C and the resin holds up well for its predicted shelf life—usually one year, but sometimes longer if luck holds or controls stay strict. Avoid the temptation to pile boxes near radiators or vents. Even a week close to a heat source can cost a factory thousands in ruined material.
Protection From Moisture and Air
I remember a plant that stored resin close to an outside door. One summer storm flooded a pallet and the bags soaked up moisture, turning the granules to mush. C9 resin does not play well with water. Containers must stay sealed tight; even small tears in packaging speed up oxidation or trigger chemical reactions. Desiccants in shipping containers help during transport, but don’t let the resin sit near plate coolers or leaky windows. It sounds basic, but just patch small holes early and cover open bags for short-term use. Package integrity affects more than product quality: toxic fumes can form if resin starts to break down or mix with incompatible chemicals.
Avoiding Sunlight and Chemicals
Bright light, especially sunlight, kicks off photochemical reactions that speed up yellowing and destabilize the resin. Don’t let pallets linger outside even for a few hours. Keep them in shaded, dry rooms, away from solvents or strong acids. Storing C9 resin alongside aggressive solvents or peroxides can cause cross-contamination or create fire risks. Once, a plant manager took a shortcut and stashed C9 in a room with some leftover peroxide drums. Luckily, staff caught the mistake before anything happened, but such risks always hover over inattention.
Keeping It Safe—For Workers and the Environment
Spills offer more than a headache—they set off fire risks and slip hazards. Workers dealing with C9 resin need gloves, masks, and basic training. Material Safety Data Sheets (MSDS) spell out what happens in case of a leak or fire. On one project, an inexperienced worker swept a small resin spill near a welding area; the result was a near-miss after a spark. Pick up spills right away, stash resin away from ignition sources, and ventilate storage rooms to limit any vapors.
Looking Forward: Better Practice, Less Headache
Storage mistakes build up: lost product, safety issues, and rising insurance claims. Warehouses should invest a little more early on—monitoring temperatures, patching up any leaky roofs, and separating incompatible chemicals. Some facilities use regular audits to catch problems before materials spoil or cause an incident. A little extra effort today saves a pile of trouble—and money—down the road. Every worker in the chain, from forklift driver to supervisor, keeps things running smoothly by watching for these details.
Don’t treat storage and handling as boring compliance. I’ve seen companies run smoothly for years simply because they respect the chemistry and protect their people. C9 hydrocarbon resin rewards the careful.
| Names | |
| Preferred IUPAC name | 1H-Indene, hydrogenated, polymer with 2-methyl-2-butene |
| Other names |
Petroleum Resin
Hydrocarbon Resin C9 Aromatic Hydrocarbon Resin C9 Resin Coal Tar Resin C9 Petroleum Resin |
| Pronunciation | /siː.naɪ ˈhaɪdroʊˌkɑːrbən ˈrɛz.ɪn/ |
| Identifiers | |
| CAS Number | 64742-16-1 |
| Beilstein Reference | 1732636 |
| ChEBI | CHEBI:52714 |
| ChEMBL | CHEMBL2171564 |
| DrugBank | DB14025 |
| ECHA InfoCard | 03b6e0b9-b661-4084-876b-521e72396745 |
| Gmelin Reference | 12494 |
| KEGG | C01481 |
| MeSH | D08.811.277.352.650 |
| PubChem CID | 31263 |
| RTECS number | GV8900000 |
| UNII | X259F3D69U |
| UN number | UN1993 |
| Properties | |
| Chemical formula | C9H12 |
| Molar mass | 300–1,200 g/mol |
| Appearance | Light yellow granular solid |
| Odor | Petroleum odor |
| Density | 1.04 g/cm³ |
| Solubility in water | Insoluble |
| log P | 0.77 |
| Vapor pressure | <1 mmHg at 20°C |
| Basicity (pKb) | 6-7 |
| Magnetic susceptibility (χ) | Diamagnetic |
| Refractive index (nD) | 1.48 – 1.52 |
| Viscosity | 50-250 mPa·s (25°C) |
| Dipole moment | 0.00 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 480.0 J/mol·K |
| Std enthalpy of formation (ΔfH⦵298) | -78.3 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -5737 kJ/mol |
| Pharmacology | |
| ATC code | Not assigned |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H226, H315, H319, H335 |
| Precautionary statements | P261, P273, P280, P302+P352, P305+P351+P338, P332+P313, P337+P313 |
| Flash point | ≥ 200°C |
| Autoignition temperature | 450°C |
| Lethal dose or concentration | LD₅₀ (oral, rat) > 5000 mg/kg |
| LD50 (median dose) | LD50 (median dose): >5000 mg/kg (rat, oral) |
| NIOSH | Not Listed |
| PEL (Permissible) | 50 mg/m³ |
| REL (Recommended) | Hydrogenation |
| Related compounds | |
| Related compounds |
C5 Hydrocarbon resin
Dicyclopentadiene resin Hydrogenated hydrocarbon resin Aromatic hydrocarbon resin Aliphatic hydrocarbon resin |
