Product Name: Cresol Novolac Epoxy Resin
Chemical Family: Epoxy resin
Common Synonyms: Phenol novolac epoxy, multi-functional epoxy resin
Supplier/Manufacturer: Contact responsible supplier with physical address and emergency telephone number
Recommended Use: Base component for adhesives, coatings, electrical encapsulation, laminates, composites
Restrictions on Use: Not for consumer or food contact items
Classification: Skin irritant (Category 2), Eye irritant (Category 2A), Skin sensitizer (Category 1), Aquatic chronic toxicity (Category 2)
Label Elements: Signal word: Warning
Hazard Statements: Causes skin irritation, serious eye irritation, allergic skin reaction, toxic to aquatic life with long lasting effects
Pictograms: Exclamation mark, Environment
Precautionary Statements: Avoid contact with eyes and skin, wash hands thoroughly after handling, wear protective gloves, avoid release to the environment
Cresol Novolac Epoxy Resin: CAS 28064-14-4, concentration 60–100%, hazardous
Epoxy Equivalent Weight (EEW): Varies per product specification, typically 170–240 g/eq
Impurities: Low levels of phenol and cresol monomers, not significant for hazard classification but should be listed where present
Other Ingredients: None contributing to hazard classification
Inhalation: Remove person to fresh air, keep at rest in a position comfortable for breathing, seek medical advice if symptoms develop
Skin Contact: Immediately wash skin with soap and plenty of water, remove contaminated clothing, seek medical advice for signs of rash or irritation
Eye Contact: Rinse thoroughly with water for at least 15 minutes, hold eyelids open, seek medical attention if irritation persists
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical attention, show this sheet to doctor in attendance
Most Important Symptoms/Effects: Burning, redness, rash, possible allergy, serious eye damage if not promptly washed
Extinguishing Media: Carbon dioxide, dry chemical, foam, water spray (do not use solid water stream directly on burning liquid)
Hazards from Combustion Products: Carbon monoxide, carbon dioxide, phenolic compounds may form under fire conditions
Special Protective Equipment for Firefighters: Self-contained breathing apparatus and full chemical resistant gear
Fire/Explosion Hazards: Not highly flammable but may evolve toxic gases in fire
Advice for Firefighters: Use water spray to cool containers, prevent runoff to sewers or waterways
Personal Precautions: Avoid breathing vapors or mists, ventilate area, wear gloves, goggles, chemical-resistant clothing
Environmental Precautions: Prevent entry into drains, sewers, waterways; alert authorities if contamination occurs
Methods for Clean Up: Absorb with inert material (sand, earth), scoop up into container for disposal, decontaminate area with detergent and water
Reference to Other Sections: See exposure controls and personal protection, disposal considerations
Handling: Use with adequate ventilation, avoid skin and eye contact, avoid breathing dust, fume, gas, mist, vapor, or spray; wash hands after handling
Storage: Store in cool, dry place, away from sunlight, moisture, acids, oxidizers; keep container tightly closed
Storage Temperature: Recommended 2–40°C
Incompatible Materials: Strong acids, bases, oxidizing agents
Control Parameters: No established occupational exposure limits for base resin
Engineering Controls: Local exhaust ventilation, general ventilation
Personal Protection: Chemical resistant gloves (nitrile or neoprene), goggles or safety glasses, protective clothing
Respiratory Protection: Use suitable respiratory equipment if ventilation inadequate or exposure limits may be exceeded
Hygiene Measures: Wash hands before breaks and after work, remove contaminated clothing and wash thoroughly before reuse
Appearance: Pale to amber solid or viscous liquid
Odor: Faint, phenolic
Odor Threshold: Not established
pH: Not applicable
Melting/Freezing Point: Softening point 55–85°C (depends on grade)
Boiling Point: Decomposes before boiling
Flash Point: >150°C (Cleveland open cup)
Evaporation Rate: Negligible
Flammability: Not classified as flammable
Vapor Pressure: Low at room temperature
Solubility: Insoluble in water, soluble in organic solvents
Partition Coefficient: log Kow = 2–4 (estimated)
Viscosity: 800–6000 cps at 25°C (grade dependent)
Density: 1.15–1.22 g/cm³ at 25°C
Decomposition Temperature: >300°C
Chemical Stability: Stable under recommended storage and handling conditions
Conditions to Avoid: High temperatures, open flame, sources of ignition
Materials to Avoid: Strong acids, alkalis, oxidizing agents
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, phenol, cresol, aldehydes
Hazardous Polymerization: May occur with amines or acidic catalysts
Likely Routes of Exposure: Skin and eye contact, inhalation of airborne dust/fumes
Acute Effects: Causes moderate skin and severe eye irritation, allergic dermatitis in sensitized individuals
Chronic Effects: Possible allergic skin sensitization with repeated contact, respiratory symptoms from prolonged exposure
Acute Toxicity Data: LD50 (Oral, rat) >2000 mg/kg (based on similar epoxy resins)
Skin Corrosion/Irritation: Moderate
Eye Damage/Irritation: Severe
Respiratory Sensitization: Possible with high exposure
Carcinogenicity: Not listed as human carcinogen by IARC, NTP, or OSHA
Mutagenicity: Based on component data, not expected to be mutagenic
Reproductive Toxicity: Animal data have not shown reproductive effects
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Not readily biodegradable; persists in environment if released
Bioaccumulative Potential: May bioaccumulate in aquatic organisms
Mobility in Soil: Low mobility; binds to soil and sediment
Other Adverse Effects: Not expected to cause ozone depletion or significant global warming potential
Waste Treatment Methods: Dispose of surplus and waste product in accordance with local, regional, and national regulations
Disposal of Packaging: Decontaminate or incinerate containers where permitted
Advice for Disposal: Do not discharge to sewers, natural waters, or soil
European Waste Catalogue: 08 04 09 (wastes adhesives and sealants containing organic solvents or other dangerous substances)
UN Number: UN3082
UN Proper Shipping Name: Environmentally hazardous substance, liquid, n.o.s. (Epoxy resin)
Transport Hazard Class: 9
Packing Group: III
Environmental Hazards: Yes, marine pollutant
Special Precautions for User: Avoid release to the environment, secure all containers during transport
Transport Labels: Environmentally hazardous, Class 9 Miscellaneous
Chemical Inventory Listing: Listed on TSCA (USA), DSL (Canada), REACH (EU), AICS (Australia), ENCS (Japan)
Safety, Health and Environmental Regulations: Subject to OSHA Hazard Communication Standard, SARA Title III (Section 313 reporting may apply for some by-products), REACH Regulation (EU), GHS classification worldwide
National or Regional Regulations: Follow applicable workplace and environmental regulations; hazard labeling required for workplace containers
Other Regulatory References: Not a controlled drug precursor or highly regulated substance under UN Conventions or US DEA regulations
