Product Name: Glycol Dimethacrylate (EGDMA)
Synonyms: Ethylene glycol dimethacrylate
Chemical Formula: C10H14O4
CAS Number: 97-90-5
Product Use: Cross-linking agent in polymers, adhesives, dental materials
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Recommended Restriction: Industrial use only, not for food, drug, or household applications
GHS Classification: Skin Sensitizer (Category 1), Eye Irritant (Category 2A), Skin Irritant (Category 2)
Signal Word: Warning
Hazard Statements: May cause skin and eye irritation, allergic skin reaction, potential respiratory irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid skin and eye contact, use in ventilated areas, wear protective gear, avoid inhaling vapors or spray
Hazards Not Otherwise Classified: Not listed as carcinogen by OSHA, NTP, IARC; potential for polymerization under heat or contamination
Component: Ethylene glycol dimethacrylate
Chemical Percentage: 98-100%
Impurities: Trace inhibitors (Methoxyhydroquinone, less than 0.1%)
CAS Number: 97-90-5
Other Ingredients: None relevant to hazard classification
Inhalation: Remove to fresh air, loosen tight clothing, seek medical attention for breathing problems
Skin Contact: Remove contaminated clothing, flush skin with plenty of water and soap for at least 15 minutes, seek care for irritation or allergic reaction
Eye Contact: Rinse immediately with water for at least 15 minutes, lift eyelids, seek immediate medical attention
Ingestion: Do not induce vomiting, rinse mouth, seek immediate medical attention
General Advice: Call a doctor if symptoms persist or in case of doubt, bring this document when seeking medical help
Suitable Extinguishing Media: Carbon dioxide, dry chemical, foam, water spray for cooling containers
Fire Hazards: Can form flammable vapors, vapors may travel and ignite at a distance
Hazardous Decomposition: Methacrylate monomers, carbon dioxide, carbon monoxide, possible irritating fumes
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and complete protective gear
Advice for Firefighters: Cool container with water spray away from fire area, contain run-off water
Personal Precautions: Evacuate area, ventilate, use protective gloves, goggles, and respirators for vapor exposures
Environmental Precautions: Prevent product from entering drains, surface water, or soil
Methods for Containment: Contain spillage, stop leak if safe, absorb with sand or suitable inert material
Cleanup Procedures: Collect material in suitable labeled containers for disposal, wash area after cleanup, dispose as hazardous waste
Handling: Avoid skin and eye contact, use in ventilated area, keep away from heat, open flame, and incompatible substances, avoid inhaling vapors
Storage: Store in closed, tightly sealed containers in cool, dry, well-ventilated area; segregate from oxidizers, acids, bases; refrigerate if long-term storage is required
Incompatibilities: Avoid contact with strong oxidizing agents, reducing agents, metals, acids, bases; keep away from moisture and direct sunlight
Special Precautions: Ground containers to prevent static electrical discharge
Exposure Limits: No OSHA PEL or ACGIH TLV established for EGDMA
Engineering Controls: Use process enclosures, local exhaust ventilation, eye wash stations, and safety showers
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), safety goggles or face shield, lab coat, protective apron
Respiratory Protection: Use NIOSH-approved respirator if exposure limits are exceeded or vapors are present
Hygiene Measures: Wash hands after handling, do not eat or drink near product, remove contaminated clothing
Appearance: Clear, colorless to slightly yellow liquid
Odor: Sweet, ester-like
Odor Threshold: Not established
pH: Not applicable
Melting Point: -60°C
Boiling Point: 213°C
Flash Point: 100°C (closed cup)
Evaporation Rate: Not available
Flammability: Flammable liquid and vapor
Lower/Upper Explosion Limit: Not determined
Vapor Pressure: 0.03 mm Hg (at 25°C)
Vapor Density: 6.1 (air = 1)
Relative Density: 1.067 g/cm³ (at 20°C)
Solubility: Slightly soluble in water; soluble in organic solvents
Partition Coefficient: log Kow (octanol/water): 2.12
Auto-ignition Temperature: ~342°C
Decomposition Temperature: Not established
Viscosity: 7 mPa.s (at 20°C)
Chemical Stability: Stable under recommended storage conditions, but polymerizes easily under heat or light
Reactivity: Can react with strong oxidizers, acids, bases, free radicals; inhibitors added to prevent unwanted polymerization
Conditions to Avoid: Heat, flames, sunlight, contamination, removal or depletion of inhibitor
Hazardous Decomposition Products: Methacrylate monomers, carbon monoxide, carbon dioxide, irritating fumes
Possibility of Hazardous Reactions: Exothermic polymerization may be triggered if exposed to high temperature or improper storage
Acute Toxicity: LD50 (oral, rat): approximately 8,700 mg/kg; moderate irritant by skin and eye contact
Skin Corrosion/Irritation: Causes irritation, may cause allergic dermatitis, repeated exposure may worsen sensitivity
Serious Eye Damage/Irritation: Causes irritation, redness, pain, possible blurred vision
Respiratory or Skin Sensitization: Sensitizer by skin contact; may cause asthma-type symptoms upon inhalation
Carcinogenicity/Mutagenicity: Not listed as carcinogen by OSHA/NTP/IARC, limited mutagenicity data, not expected to be a carcinogen
Other Effects: Prolonged repeated exposure can worsen skin and respiratory ailments, may aggravate preexisting allergies or asthma conditions
Ecotoxicity: Harmful to aquatic life, toxic to certain fish and daphnia at low ppm levels
Persistence and Degradability: Not rapidly biodegradable, may persist in environment
Bioaccumulation Potential: Moderate based on log Kow
Mobility in Soil: Moderately mobile, may leach to groundwater if released
Other Adverse Effects: Avoid product release to surface waters or sewer systems due to potential for ecological disruption
Waste Treatment Methods: Dispose of material through licensed hazardous waste contractor
Product Disposal: Incineration in permitted facility preferred; do not allow to reach watercourses or sewage
Container Disposal: Triple rinse, puncture, dispose of as chemical waste
Regulations: Dispose according to federal, state, and local environmental regulations; avoid landfill disposal if possible
UN Number: UN 1993
UN Proper Shipping Name: Flammable liquid, n.o.s. (contains Glycol Dimethacrylate)
Transport Hazard Class: 3 (Flammable liquid)
Packing Group: III
Environmental Hazard: Consult regional regulations; not classified as marine pollutant under IMDG
Transport Precautions: Protect from excessive heat, rough handling, and physical damage during transport; keep container upright and secure
TSCA Status: Listed on US TSCA Inventory
OSHA HazCom: Hazardous
SARA Title III: Not listed under Sections 302, 304, or 313
California Prop 65: Not on Proposition 65 list
REACH Status: Registered substance in EU
Other Relevant Regulations: Subject to workplace safety and health regulation under US, EU, and major international chemical laws; ensure labeling and SDS compliance prior to use or distribution
