Product Name: Propylene Glycol Ethoxymethylenemalonate
Chemical Family: Modified malonate ester
Synonyms: Propylene glycol 2-(ethoxymethylene)malonate
CAS Number: 123456-78-9
Manufacturer: Major fine chemical suppliers
Emergency Contact: Refer to supplier or CHEMTREC
Recommended Uses: Reactive diluent, cross-linking agent, polymer additive
GHS Classification: Combustible liquid, Eye irritant, Skin sensitizer
Hazard Statements: Causes moderate eye irritation, may cause skin sensitization, can form combustible mixtures with air
Signal Word: Warning
Pictograms: Exclamation mark
Precautionary Statements: Avoid direct contact with eyes and skin, use with appropriate personal protective equipment, store away from combustibles and sources of heat, inhalation may cause respiratory tract irritation
Potential Health Effects: Prolonged or repeated skin exposure can increase the risk of irritation, vapor can affect respiratory health if inhaled in large amounts
Chemical: Propylene glycol ethoxymethylenemalonate
Content: 97-99% by weight
Impurities: Propylene glycol (<1%), residual solvents (<0.5%)
Additives: Inhibitors, minor formulation agents (<0.5%)
Inhalation: Move affected person to fresh air, keep comfortable for breathing, seek medical help if any discomfort persists
Skin Contact: Remove contaminated clothing, wash area with soap and water for 10 minutes, call a physician if signs of irritation appear
Eye Contact: Rinse eyes with water for at least 15 minutes, do not delay, remove contacts if possible, call an eye specialist if symptoms continue
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical assistance immediately
Most Important Symptoms: Stinging, redness, delayed skin reaction, mild respiratory discomfort
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, do not use a direct water stream
Specific Hazards: Vapors may form explosive mixtures with air, thermal decomposition can release nitrogen oxides, carbon monoxide, irritating vapors
Protective Equipment and Precautions: Wear self-contained breathing apparatus, chemical-resistant suit, keep containers cool by spraying with water from a safe distance
Special Procedures: Remove sources of ignition, ventilate area, fire-fighting runoff may be hazardous to waterways
Personal Precautions: Wear gloves, goggles, and protective clothing, avoid inhalation of vapors, restrict access to area
Environmental Precautions: Do not allow discharge to drains, waterways, or soil, contain spill using inert absorbents like sand or vermiculite
Clean-up Methods: Dike and contain for disposal, scoop material into labeled containers, wash contaminated area with water, ventilate area thoroughly
Handling: Use chemical-resistant gloves and eye protection, handle only in well-ventilated spaces, avoid breathing vapors, keep away from ignition sources, keep container tightly closed when not in use
Storage: Store in a cool, dry, and well-ventilated place, protect from light and moisture, separate from strong oxidizers and acids, use original packaging or approved chemical containers
Special Considerations: Prevent static discharge, maintain adequate room ventilation, monitor for signs of leaks or container degradation
Exposure Limits: No established ACGIH or OSHA exposure limits; limit airborne concentrations as low as possible
Engineering Controls: Ensure local exhaust ventilation at points of emission, use explosion-proof equipment where vapors may accumulate
Personal Protection: Chemical goggles, impervious gloves (nitrile, butyl rubber), long-sleeve clothing, face shield in case of splash risk
Respiratory Protection: Use an approved respirator if airborne concentrations exceed safe levels
Hygiene Measures: Wash hands after handling, change contaminated clothing promptly, avoid eating or drinking when working with chemical
Appearance: Clear, colorless to pale yellow liquid
Odor: Faint, sweet
pH: Not applicable (non-aqueous liquid)
Boiling Point: 230-250°C
Melting Point: Below -20°C
Flash Point: 104°C (closed cup)
Evaporation Rate: Slower than ether
Vapor Pressure: <0.1 mmHg at 20°C
Solubility in Water: Miscible
Relative Density: 1.18-1.21 (water=1)
Viscosity: 20-40 cP at 25°C
Partition Coefficient (Log Kow): 0.5-1.2
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: Reacts with strong oxidizers, strong acids, and alkalis, may polymerize if heated or contaminated
Conditions to Avoid: Heat, flames, sparks, static discharge, direct sunlight
Incompatible Materials: Aluminum, acid chlorides, halogens, peroxides
Hazardous Decomposition Products: Carbon oxides, nitrogen oxides, organic vapors
Routes of Exposure: Skin, eye, inhalation, ingestion
Acute Toxicity: Low oral and dermal toxicity, LD50 (oral, rat) estimated above 2000 mg/kg
Irritation: Causes mild to moderate skin and eye irritation
Sensitization: Can induce allergic skin reactions in susceptible individuals
Chronic Effects: No evidence of carcinogenic or mutagenic effects, repeated contact may increase risk of dermatitis
Symptoms: Redness, itching, coughing, headache if exposure is significant
Ecotoxicity: Moderately toxic to aquatic organisms (EC50 for fish/daphnia >10 mg/L, < 100 mg/L)
Persistence and Degradability: Readily biodegradable in water and soil under aerobic conditions
Bioaccumulative Potential: Low, partitioning coefficient suggests minimal accumulation in aquatic species
Mobility in Soil: Substance likely to move with groundwater; containment recommended
Other Adverse Effects: Can contribute to chemical oxygen demand in water bodies, potential to impact algae at higher concentrations
Waste Treatment Methods: Use approved chemical waste incinerator, observe all local, state, and national regulations for hazardous waste
Unused Material: Return to supplier or treat in licensed facility
Container Disposal: Empty containers thoroughly, puncture to prevent reuse, send for professional recycling or incineration
Special Precautions: Prevent leaks into environment, keep records of quantities disposed, use secondary containment for storage areas
UN Number: 3082
UN Proper Shipping Name: Environmentally hazardous substance, liquid, n.o.s. (contains propylene glycol ethoxymethylenemalonate)
Transport Hazard Class: 9 (Miscellaneous dangerous substances)
Packing Group: III
Marine Pollutant: Yes
Special Transport Precautions: Keep containers upright, secure against movement, avoid extremes of temperature, immediate reporting of spills or leaks
OSHA Hazard: Regulated as a hazardous chemical under OSHA Hazard Communication Standard, 29 CFR 1910.1200
TSCA Status: Listed
SARA Title III: Does not appear on SARA 302, 304, 313 lists; subject to general reporting for hazardous inventories
REACH Registration: May require registration if imported into the EU above threshold volumes
Other Regulatory Lists: Not classified as carcinogenic by IARC, NTP, or ACGIH; may fall under local environmental and workplace safety regulations
Labeling: GHS label with safety precautions, hazard pictograms, and emergency procedures
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