Chemical Name: Dipropylene Glycol Dimethyl Ether
Synonyms: DPM, Di(propylene glycol) dimethyl ether, 1-Methoxy-3-(methoxymethoxy) propane
CAS Number: 111109-77-4
Recommended Use: Industrial solvent in coatings, inks, and cleaners
Restrictions: Not intended for food, drug, pesticide, or household use
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Classification: Flammable liquid (Category 3), Eye irritant (Category 2), May cause drowsiness or dizziness (Category 3)
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor, Causes serious eye irritation, May cause respiratory irritation or drowsiness
Pictograms: Flame, Exclamation mark
Precautionary Statements: Keep away from open flames and heat, Use only outdoors or in well-ventilated areas, Wear protective gloves and eye/face protection, If in eyes: rinse carefully for several minutes, Take precautionary measures against static discharge
Substance: Dipropylene Glycol Dimethyl Ether
CAS Number: 111109-77-4
Content: >95% by weight
Impurities: Dipropylene Glycol Monomethyl Ether (<2%), Water (<1%)
Formula: C8H18O3
Inhalation: Move exposed person to fresh air, loosen tight clothing, seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing, wash affected skin with soap and water for 15 minutes
Eye Contact: Rinse with plenty of water for at least 15 minutes, seek medical attention if irritation persists
Ingestion: Do not induce vomiting, rinse mouth, get medical advice if feeling unwell
Most Important Symptoms: Dizziness, headache, irritation, possible nausea
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam
Unsuitable Media: Straight water streams
Specific Hazards: Emits toxic fumes under fire – carbon oxides given off
Protective Equipment: Self-contained breathing apparatus, complete protective clothing
Additional Advice: Keep containers cool with water spray, avoid inhaling combustion products, prevent runoff from entering drains
Personal Precautions: Evacuate spill area, ventilate, avoid breathing vapors
Protective Equipment: Chemical goggles, gloves, impervious footwear
Environmental Precautions: Prevent entry into waterways, sewers, soil
Cleanup Methods: Absorb with inert material (sand, vermiculite), collect for disposal in suitable containers, wash area with water after material pickup
Safe Handling: Avoid vapor and mist, keep away from sparks, open flame and hot surfaces, use grounded equipment, wash hands after use
Storage Conditions: Store tightly closed in a cool, well-ventilated place, keep away from oxidizers and acids
Incompatible Materials: Strong oxidizing agents, strong acids
Storage Temperature: 5°C to 30°C recommended
Specific Practices: Keep containers upright, label containers clearly, inspect regularly for corrosion or leaks
Occupational Exposure Limits: N/A (no established limits, but minimize exposure)
Engineering Controls: Use local exhaust ventilation, ensure eyewash stations are nearby
Personal Protective Equipment: Chemical-resistant gloves (nitrile), safety glasses or goggles, flame-resistant clothing, respirator in poorly ventilated areas
Hygiene Measures: Wash hands before eating or drinking, remove contaminated clothing and wash before reuse
Appearance: Clear, colorless liquid
Odor: Mild ether-like
Odor Threshold: Not available
pH: Not available
Melting Point: Approx. -80°C
Boiling Point: Around 175°C
Flash Point: 65°C (closed cup)
Evaporation Rate: Slower than ether
Flammability: Flammable liquid
Vapor Pressure: 0.3 mmHg at 25°C
Vapor Density: Heavier than air
Solubility: Miscible with water and most organic solvents
Partition Coefficient (log Kow): 0.28 (estimated)
Auto-ignition Temperature: ~220°C
Decomposition Temperature: Not available
Viscosity: 3.9 cP at 25°C
Chemical Stability: Stable under recommended storage, can degrade with prolonged heat or exposure to air
Hazardous Reactions: Reacts with oxidizing agents, acids
Decomposition Products: Carbon monoxide, carbon dioxide, formaldehyde possible on strong heating
Conditions to Avoid: Heat, sparks, open flame, prolonged storage above 30°C
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Effects: Eye and skin irritant, may cause respiratory tract irritation, drowsiness or dizziness in high concentrations
Chronic Effects: No known chronic toxicity at typical exposure levels
LD50 (Oral, rat): >5000 mg/kg
LD50 (Dermal, rabbit): >4000 mg/kg
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Sensitization: Not known to cause allergic reactions
Other Effects: High doses may impact central nervous system
Ecotoxicity: Low aquatic toxicity, LC50 (fish, 96hr): >100 mg/L
Persistence and Degradability: Readily biodegradable under aerobic conditions
Bioaccumulative Potential: Low, based on log Kow
Mobility: Soluble in water, potential to move through soil to groundwater
Other Adverse Effects: No significant ozone depletion or photochemical smog formation attributed
Waste Handling: Collect and dispose at licensed waste facility
Disposal Containers: Use leak-proof drums clearly labeled
Disposal Methods: Incineration or landfill in compliance with local, state, and federal regulations
Precautions: Do not discharge into drains or surface water, avoid unnecessary exposure by workers at waste site
UN Number: UN 1993
Proper Shipping Name: Flammable liquid, n.o.s. (Dipropylene Glycol Dimethyl Ether)
Transport Hazard Class: 3 (Flammable Liquids)
Packing Group: III
Marine Pollutant: Not classified as such
Special Precautions: Keep containers upright and secure, avoid stowing with foodstuffs
OSHA: Not listed as hazardous chemical under OSHA Hazard Communication Standard
TSCA: Listed
REACH: Registered on European list of substances
SARA 313: Not subject to SARA Title III Section 313 reporting
California Prop 65: Not listed as a chemical known to cause cancer or reproductive toxicity
Other Regulations: Check local and national requirements for specific workplace controls, labeling, and emergency planning
