Product Name: Bio-2-Octyl Methacrylate
Chemical Family: Methacrylate Esters
CAS Number: 688-84-6
Recommended Use: Chemical intermediate, polymer manufacture
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GHS Classification: Flammable liquid (Category 3); Skin irritation (Category 2); Eye irritation (Category 2A); Skin sensitizer (Category 1); Specific target organ toxicity - single exposure (Category 3, respiratory tract)
Label Elements:
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor; Causes skin and eye irritation; May cause an allergic skin reaction; May cause respiratory irritation
Precautionary Statements: Keep away from heat/sparks/open flames/hot surfaces; Wear protective gloves/eye protection; Use only outdoors or in a well-ventilated area; In case of fire, use dry chemical, foam or CO2 extinguishers
Potential Health Effects: Irritating to eyes, skin, and respiratory tract; Prolonged or repeated contact may cause sensitization through skin contact; Vapors can produce drowsiness or dizziness; Overexposure to vapors could cause headaches or nausea
Main Ingredient: 2-Octyl Methacrylate (Chemical Formula: C12H22O2), CAS 688-84-6, Concentration: >99%
Impurities: Trace-level inhibitors (e.g., 10-20 ppm MEHQ or similar, for stabilization), presence of potentially trace-level methacrylic acid
Eye Contact: Rinse promptly with plenty of water for at least 15 minutes, remove contact lenses if present and easy to do, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, rinse skin immediately with water for at least 15 minutes, wash with soap and water, seek medical attention if there are signs of irritation or allergic reaction
Inhalation: Remove individual to fresh air, keep at rest in a position comfortable for breathing, seek medical advice if respiratory symptoms develop or persist
Ingestion: Rinse mouth thoroughly, do not induce vomiting, seek immediate medical attention
Notes to Physician: Treat symptomatically, monitor for delayed respiratory or allergic effects
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam
Unsuitable Extinguishing Media: Do not use direct water jet
Specific Hazards: Vapors may form explosive mixtures with air; Pressure increases in heated, closed containers could cause rupture; Burning can produce toxic fumes including oxides of carbon
Protective Equipment: Firefighters require self-contained breathing apparatus and full protective clothing
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, possibly methyl acrylate and other acrylate compounds
Advice for Firefighters: Cool exposed tanks and containers with water spray to prevent pressure build-up or explosion
Personal Precautions: Keep away from sources of ignition, provide adequate ventilation, use personal protective equipment including gloves, goggles, and masks
Environmental Precautions: Prevent product from entering drains, sewers, or waterways; notify authorities if spill enters environment
Methods for Cleanup: Absorb with non-combustible material such as sand or earth, collect in appropriate containers for disposal, ventilate enclosed areas, wash residue away with water while preventing runoff to environment
Reference to Other Sections: For disposal, see section on Disposal Considerations
Handling: Avoid skin and eye contact, avoid inhalation of vapor or mist, do not eat or drink near chemical handling areas, use with proper ventilation, keep containers tightly closed, use spark-proof tools and explosion-proof equipment
Storage: Store in cool, dry, well-ventilated area away from heat, ignition sources, oxidizers, and acids, keep container tightly closed, store under inert atmosphere (e.g., nitrogen) when possible, regular monitoring for polymerization inhibitors recommended
Specific End Uses: Intended for use in industrial and laboratory settings by trained personnel, not for consumer use without professional guidance
Occupational Exposure Limits: No specific national exposure limits established; monitor air levels to minimize inhalation
Engineering Controls: Use local exhaust ventilation, mechanical general exhaust as needed, implement closed-system transfers where possible
Personal Protective Equipment:
- Respiratory Protection: NIOSH-approved organic vapor respirator if ventilation is inadequate
- Skin Protection: Chemical-resistant gloves (e.g., nitrile, butyl rubber), protective clothing
- Eye Protection: Chemical splash goggles, face shield if risk of splashing
- Hygiene Measures: Wash thoroughly after handling, remove contaminated clothing and equipment
Appearance: Clear, colorless to pale yellow liquid
Odor: Faint, sweet acrylic-type odor
Odor Threshold: Not available
pH: Not applicable (neat liquid)
Melting Point/Freezing Point: Approx. -35°C
Initial Boiling Point and Boiling Range: 244-248°C at 760 mmHg
Flash Point: 96°C (Open cup)
Evaporation Rate: Not established
Flammability: Flammable liquid
Upper/Lower Flammability or Explosive Limits: Not determined
Vapor Pressure: 0.016 mmHg at 20°C
Vapor Density: Heavier than air
Relative Density: 0.889–0.892 g/cm³ (20°C)
Solubility: Insoluble in water, soluble in organic solvents (e.g., alcohols, ethers, esters)
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: >220°C
Decomposition Temperature: Not available
Viscosity: 6–8 mPa·s (25°C)
Chemical Stability: Stable under recommended storage conditions with appropriate inhibitor
Possibility of Hazardous Reactions: May polymerize rapidly under heat, light, elevated pressure, or in absence of inhibitor
Conditions to Avoid: Exposure to heat, sparks, sunlight, contaminants (acids, bases), moisture
Incompatible Materials: Strong acids, bases, oxidizing agents, reducing agents, peroxides, amines
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrocarbons, acrylate monomers
Acute Toxicity: Oral LD50 (rat): ~5,000 mg/kg; dermal LD50 (rabbit): >3,000 mg/kg; inhalation LC50 not well established
Skin Corrosion/Irritation: Causes skin irritation, may cause dermatitis after prolonged contact
Serious Eye Damage/Irritation: Causes moderate eye irritation
Respiratory or Skin Sensitization: Skin sensitizer, repeated exposure may trigger allergic responses
Germ Cell Mutagenicity: Not classified based on available data
Carcinogenicity: Not listed as carcinogen by OSHA, NTP, IARC
Reproductive Toxicity: Not established for this substance
STOT-Single Exposure: May cause respiratory irritation
STOT-Repeated Exposure: No data indicating organ damage at occupational exposures
Aspiration Hazard: Not considered an aspiration hazard
Toxicity to Aquatic Life: LC50 (fish, 96 h): >10 mg/L; EC50 (Daphnia, 48 h): >10 mg/L
Persistence and Degradability: Readily biodegradable in the environment over several weeks
Bioaccumulative Potential: Expected to have moderate bioaccumulative potential (log Kow 4–5, estimated)
Mobility in Soil: Low mobility; significant adsorption to soil possible
Other Adverse Effects: May be toxic to aquatic organisms at high concentrations, avoid release to waterways
Waste Treatment Methods: Collect and dispose using licensed chemical disposal contractor
Disposal of Product: Incinerate in controlled facility, follow local and national regulations
Disposal of Contaminated Packaging: Triple rinse containers, puncture and dispose of according to legal requirements
Environmental Precautions: Do not dispose through sewage systems, avoid discharge to environment
UN Number: UN 1993
Proper Shipping Name: Flammable Liquid, n.o.s. (contains 2-Octyl Methacrylate)
Transport Hazard Class: 3 (Flammable Liquids)
Packing Group: III
Labels Required: Flammable Liquid (red diamond, number 3)
Special Precautions: Keep containers upright and secure, avoid heat sources during transit
Environmental Hazards: Not a marine pollutant per IMDG
Inventory Status: Listed on TSCA (US), EINECS/ELINCS (EU), DSL (Canada), AICS (Australia)
OSHA Regulation: Classified as hazardous under OSHA Hazard Communication Standard
SARA Title III: Not subject to Sections 302, 304, 313 reporting thresholds
California Proposition 65: Not listed
REACH Status: Registrations or notifications may be required
Other Regulations: Check local regulations regarding storage, handling, and disposal
