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West Ujimqin Banner, Xilingol League, Inner Mongolia, China
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Product Name: Polymethyl Methacrylate
Chemical Name: Poly(methyl 2-methylpropenoate)
Synonyms: Plexiglas, Acrylic Glass, Lucite, Perspex
Recommended Uses: Sheets, rods, lenses, displays, windows, automotive parts
Manufacturer Contact: [Company Name, Address, Emergency Phone Number]
CAS Number: 9011-14-7
EMERGENCY Overview: Solid transparent plastic, no strong odor, used in wide range of fabrication
Classification: Not classified as hazardous under GHS
Physical Hazards: Burns if ignited, molten polymer causes severe skin damage
Health Hazards: Dust causes eye and respiratory irritation, low toxicity if swallowed
Environmental Hazards: Non-biodegradable, fragments may persist in environment
Signal Word: None
Hazard Statements: May form combustible dust concentrations in air
Pictogram: None required under current standards
Target Organs: Eyes, skin, respiratory tract (upon dust exposure)
Chemical Identity: Polymethyl methacrylate
Component: Methyl methacrylate polymer
Concentration: >99%
Impurities: Trace residual monomer (<0.5%), proprietary additives for UV stability or impact resistance
CAS Numbers: Main polymer: 9011-14-7, Residual monomer: 80-62-6
Eye Contact: Flush eyes with lukewarm water for at least 15 minutes, remove contact lenses, seek medical help if irritation continues
Skin Contact: For dust or chips, wash with soap and water; for burns from molten material, cool affected area with water, do not peel polymer from skin, get medical attention
Inhalation: Move to fresh air, give oxygen if breathing difficulty develops, get medical advice if symptoms persist
Ingestion: Rinse mouth, give water to drink, do not induce vomiting, seek medical advice for large quantities or if symptoms occur
Notes for Physicians: Symptoms are mostly mechanical irritation or thermal burns, treat symptomatically
Extinguishing Media: Use water spray, foam, carbon dioxide, or dry chemical
Hazards from Combustion: Produces carbon monoxide, carbon dioxide, methyl methacrylate vapors, thick black smoke on burning
Protective Equipment for Firefighters: Wear self-contained breathing apparatus, use full protective gear
Specific Hazards: Dust and fine particles ignite and cause flash fire, burning PMMA drips molten material
Fire Fighting Instructions: Avoid breathing smoke or vapors, keep containers cooled by spraying with water
Personal Precautions: Wear goggles and dust mask for cleanup, avoid skin contact with molten material
Environmental Precautions: Avoid release to sewers or watercourses, sweep solid fragments for disposal
Cleanup Methods: Sweep or vacuum spills, minimize dust, place in plastic-lined containers for disposal
Emergency Procedures: Isolate area from ignition sources, ventilate space if dust involved
Handling: Minimize dust creation by cutting using wet or slow-speed tools, avoid inhalation of dust and vapors, wear gloves and goggles when processing
Protect Against: Strong oxidizers, heat sources, open flames
Safe Storage: Store in dry, well-ventilated space, keep away from sunlight and sources of ignition, protect from moisture
Incompatible Materials: Strong acids, alkalis, solvents (e.g., ketones, esters), oxidizing agents
Exposure Limits (Methyl Methacrylate): OSHA PEL: 100 ppm TWA, ACGIH TLV: 50 ppm TWA (mainly for monomer exposure)
Engineering Controls: Ventilation where dust forms, local exhaust on cutting or grinding
PPE – Eyes: Safety goggles, face shield for molten processing
PPE – Skin: Impervious gloves for hot work, protective clothing
PPE – Respiratory: N95 dust mask for mechanical processing, respirator for fumes during overheating
Appearance: Transparent, colorless to tinted, solid sheets or pellets
Odor: Odorless in solid form, faint methyl methacrylate smell if machined
Melting Point: 130–140°C (265–285°F)
Vapor Pressure: Not applicable to polymer
Density: 1.17–1.20 g/cm³
Solubility: Insoluble in water, soluble in organic solvents like chloroform and acetone
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: > 400°C (752°F), dust cloud lower
pH: Not applicable
Autoignition Temperature: 460°C (860°F)
Explosion Properties: Dust may form explosive mixtures in air
Chemical Stability: Stable under normal conditions
Thermal Decomposition: Yields methyl methacrylate, carbon dioxide, carbon monoxide at high temperatures
Hazardous Reactions: Rapid depolymerization from overheating or flame contact
Incompatibility: Powerful oxidizers, acids, bases, organic solvents
Hazardous Decomposition Products: Methacrylate monomer, acrid smoke
Acute Toxicity: Low oral and dermal toxicity
Irritation: Fine dust irritates eyes, respiratory tract; molten polymer causes severe burns
Sensitization: Residual monomer triggers rare skin or respiratory reactions
Chronic Effects: No evidence of carcinogenicity or specific organ toxicity
Mutagenicity: Tests have not shown mutagenic hazard for the polymer
Additional Health Info: Mechanical irritation is most common issue in occupational exposure
Environmental Impact: Not readily biodegradable, persists as litter
Mobility: Sinks in water
Bioaccumulation: Does not bioaccumulate in organisms
Aquatic Toxicity: No significant toxicity to aquatic life
Degradation: Breakdown is very slow; fragments may persist in ecosystems
Waste Treatment: Dispose in approved landfill or incinerate at licensed facility
Special Instructions: Recycling preferred where local facilities exist
Disposal of Packaging: Follow federal, regional, and local regulations
Environmental Warning: Do not release fragments into natural waterways or soil
UN Number: Not regulated under most transport codes
Proper Shipping Name: Not classified as hazardous
Hazard Class: None
Packing Group: None
Special Precautions: Keep away from flame, avoid transport with strong oxidizers
Labeling Requirements: None for solid form, warning for dust explosion in bulk handling
OSHA Status: Not hazardous (solid polymer), dust managed per worker safety standards
TSCA: Listed on the US Toxic Substances Control Act Inventory
REACH Registration: Polymer exempt, monomer components registered as needed
CEPA: Listed on Canadian Domestic Substances List
California Proposition 65: No PMMA-related listing
Other Regulations: Compliance with RoHS, WEEE in electronics and electronics packaging
Workplace Safety: Regulations apply to operations creating dust or involving thermal decomposition
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
