Product Name: Dipropylene Glycol Dimethyl Ether Mixture of Isomers
Synonyms: DPGDME, DMM, Dimethyl dipropylene glycol ether, 1-(2-Methoxypropoxy)-2-propanol, Mixture of isomers
CAS Number: 111109-77-4
Recommended Use: Industrial solvent, Intermediate in chemical synthesis, Component in formulations
Supplier Identification: Manufacturer details including address, emergency telephone number, contact e-mail
GHS Classification: Flammable liquid Category 3, Eye irritation Category 2A, May cause skin irritation
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor, Causes serious eye irritation, May cause drowsiness or dizziness
Pictograms: Flame, Exclamation mark
Precautionary Statements: Keep away from heat, sparks, open flames, and hot surfaces. Avoid breathing vapor or mist. Use only outdoors or in well-ventilated areas. Wear protective gloves and eye/face protection. In case of fire: Use appropriate extinguishing agents.
Potential Health Effects: May cause irritation to eyes, skin, and respiratory tract. Prolonged or repeated exposure may result in central nervous system effects. Inhalation of high concentrations can lead to headache, dizziness, and nausea.
Chemical Name: Dipropylene Glycol Dimethyl Ether
CAS Number: 111109-77-4
Concentration: 99-100% by weight
Isomer Information: Contains mixed isomers
Impurities: May contain trace isomers and related ethers (<1%)
Routes of Exposure: Inhalation, Skin, Eye, Ingestion
Inhalation: Remove person to fresh air. Seek medical attention if symptoms persist. Provide oxygen if breathing is difficult.
Skin Contact: Remove contaminated clothing. Wash skin thoroughly with soap and water. Seek medical attention for persistent irritation.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical advice.
Ingestion: Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.
Most Important Symptoms: Irritation, redness, headaches, drowsiness, nausea
Immediate Medical Attention: Necessary for severe reactions or extensive exposure
Suitable Extinguishing Media: Foam, dry chemical, carbon dioxide, water spray
Unsuitable Extinguishing Media: Direct water jet may spread the fire
Specific Hazards: Vapors may form explosive mixtures with air. Containers can rupture when heated. Thermal decomposition may release toxic gases including carbon monoxide and carbon dioxide.
Special Protective Equipment for Firefighters: Wear self-contained breathing apparatus and full protective gear.
Firefighting Instructions: Use water spray to cool fire-exposed surfaces. Avoid breathing heat, fumes, or vapors.
Personal Precautions: Use personal protective equipment such as gloves, goggles, and protective clothing. Remove all ignition sources. Provide adequate ventilation. Avoid breathing vapors.
Environmental Precautions: Prevent product from entering drains, soil, or waterways.
Spill Cleanup Methods: Absorb spillage with inert material such as sand, vermiculite, or universal binder. Collect in suitable, tightly closed containers for disposal according to local regulations. Clean affected area with appropriate detergent.
Decontamination: Rinse small spills with large amounts of water if permitted by local regulations.
Precautions for Safe Handling: Use in a well-ventilated area, away from heat, sparks, flames, and other sources of ignition. Avoid contact with skin, eyes, and clothing. Do not breathe vapors or mist. Wash hands thoroughly after handling.
Storage Conditions: Keep container tightly closed in a cool, dry, and well-ventilated place. Store away from incompatible substances such as strong oxidizing agents, acids, and bases. Ground and bond containers when transferring material.
Safe Packaging Materials: Store in containers made of metal or high-density polyethylene. Keep away from food and drink.
Occupational Exposure Limits: No specific US OSHA or ACGIH limits established. Observe general exposure limits for solvents.
Engineering Controls: Use local exhaust or general dilution ventilation to minimize vapor concentrations. Provide eyewash stations and safety showers in work area.
Personal Protective Equipment:
Respiratory Protection: Use NIOSH-approved respirators for vapor or mist exposure.
Eye Protection: Safety goggles or face shield
Skin Protection: Chemical-resistant gloves (nitrile, neoprene), impervious protective clothing
Hygiene Measures: Wash thoroughly with soap and water after handling. Remove contaminated clothing and wash before reuse.
Appearance: Colorless liquid
Odor: Mild, ether-like
Odor Threshold: Not available
pH: Not determined
Melting Point/Freezing Point: -60°C
Initial Boiling Point/Range: Approximately 175-208°C
Flash Point: 64°C (closed cup)
Evaporation Rate: Not determined
Flammability: Flammable liquid
Upper/Lower Flammability or Explosive Limits: 0.9% - 7.0% (v/v in air)
Vapor Pressure: 0.2 mm Hg @ 25°C
Vapor Density: 5.5 (air = 1)
Relative Density: 0.94 (water = 1)
Solubility: Miscible with water and common organic solvents
Partition Coefficient (n-octanol/water): 0.56
Auto-ignition Temperature: 250°C
Decomposition Temperature: Not determined
Viscosity: 2.6 mPa·s @ 25°C
Chemical Stability: Stable under normal storage and handling conditions.
Reactivity: No hazardous reactions expected under standard conditions.
Conditions to Avoid: Sources of ignition, heat, incompatible materials
Incompatible Materials: Strong oxidizing agents, acids, alkalis
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, other toxic fumes
Possibility of Hazardous Reactions: None anticipated under normal process conditions
Likely Routes of Exposure: Inhalation, skin, eye, ingestion
Acute Toxicity: LD50 Oral (rat) > 5,000 mg/kg; LD50 Dermal (rabbit) > 2,000 mg/kg
Skin Corrosion/Irritation: May cause mild irritation on prolonged exposure
Serious Eye Damage/Irritation: May cause moderate eye irritation
Respiratory or Skin Sensitization: Not classified as a sensitizer
Germ Cell Mutagenicity: No data available suggesting mutagenic effects
Carcinogenicity: Not classified as carcinogenic by IARC, OSHA, or NTP
Reproductive Toxicity: No evidence of developmental or reproductive toxicity at industrial exposure levels
Specific Target Organ Toxicity - Single Exposure: High vapor concentrations may cause central nervous system depression
Specific Target Organ Toxicity - Repeated Exposure: No significant effects identified in animal studies
Aspiration Hazard: Not classified as an aspiration hazard
Ecotoxicity: Not expected to be highly toxic to aquatic organisms; LC50 (fish, 96h): > 1,000 mg/L
Persistence and Degradability: Readily biodegradable in aquatic environments
Bioaccumulative Potential: Low log Kow (0.56) suggests minimal potential for bioaccumulation
Mobility in Soil: High water solubility, likely to be mobile in soil and water
Other Adverse Effects: Not ozone depleting, not expected to contribute to photochemical smog
Waste Disposal Methods: Dispose of according to local, regional, and national regulations for hazardous chemical waste. Collect and containerize waste in a properly labeled, sealed container. Do not discharge to surface waters or public sewers.
Contaminated Packaging: Empty containers retain residue and vapor. Handle as hazardous waste. Triple rinse containers before disposal or recycling where allowed.
Special Precautions: Consult local, state, and national authorities for specific disposal requirements.
UN Number: UN 3271
Proper Shipping Name: Ethers, n.o.s. (Dipropylene Glycol Dimethyl Ether)
Transport Hazard Class: 3 (Flammable Liquids)
Packing Group: III
Labels Required: Flammable liquid
Environmental Hazards: Not marine pollutant
Transport in Bulk: Follow MARPOL Annex II and IBC code requirements
Special Precautions for User: Avoid excessive heat, sparks, or open flames during transport
Inventory Listings: Listed on TSCA (US), EINECS/ELINCS (EU), DSL (Canada), ENCS (Japan)
OSHA Hazard Communication: This product meets the criteria for hazard communication
SARA Title III (Sections 311/312): Fire Hazard, Immediate Health Hazard
SARA Title III (Section 313): Not subject to reporting
California Proposition 65: No known components regulated under Prop 65
Other National Regulations: Comply with all applicable local, regional, and national regulations regarding chemical use, storage, and disposal
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