Chemical Name: Dipropylene Glycol Methyl Propyl Ether
Synonyms: DPGMPE
CAS Number: 34590-94-8
Recommended Uses: Solvent in coatings, inks, cleaning agents, and personal care products
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Classification: Not classified as hazardous under GHS
Label Elements: No pictogram or signal word required
Routes of Exposure: Eyes, skin, inhalation, ingestion
Potential Health Effects: May cause mild eye or skin irritation; vapor can cause discomfort in high concentrations
Chronic Effects: Prolonged or repeated exposure may lead to skin dryness or cracking
Environmental Hazards: Low acute hazards to aquatic life but high quantities may have localized effects
Chemical Identity: Dipropylene Glycol Methyl Propyl Ether
PURITY: ≥ 98%
Other Constituents: Trace impurities may include dipropylene glycol and related ethers under 2%
CAS Registry: 34590-94-8
Inhalation: Remove affected person to fresh air; seek medical advice if discomfort persists
Eye Contact: Rinse with gentle stream of water for at least 15 minutes while keeping eyelids open; consult a healthcare professional if irritation continues
Skin Contact: Wash thoroughly with soap and water; remove contaminated clothing and launder before reuse
Ingestion: Rinse mouth, water to drink, do not induce vomiting, contact a physician or poison control
Symptoms to Watch For: Eye watering, skin redness, light-headedness, nausea with significant exposure
Suitable Extinguishing Media: Water spray, foam, carbon dioxide, dry chemical powder
Special Hazards: Vapors can form explosive mixtures with air at elevated temperatures
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, and possibly formaldehyde below complete combustion
Protective Equipment: Use self-contained breathing apparatus and protective gear
Specific Methods: Approach from upwind; cool tanks with water spray if exposed to fire
Personal Precautions: Wear protective gloves, eye protection, and, when ventilation is poor, respirator
Environmental Precautions: Block entry into waterways, sewers, and soil
Methods for Cleanup: Absorb on inert material like sand or earth; shovel into containers for disposal; wash residue with water
Further Indications: Provide adequate ventilation and avoid breathing vapors during cleanup
Handling: Prevent contact with eyes and prolonged skin exposure; avoid inhaling vapor or mist; transfer containers slowly to minimize static charge
Storage: Store in tightly sealed containers in cool, dry, ventilated area; keep away from direct sunlight and ignition sources; incompatible with strong oxidizing agents
Special Precautions: Install spill containment where large containers are kept; use non-sparking tools
Control Parameters: ACGIH TLV: 100 ppm TWA; OSHA PEL: 100 ppm TWA
Engineering Controls: Local exhaust ventilation or general dilution ventilation to control airborne concentrations
Personal Protective Equipment: Eyes: Safety goggles; Skin: Chemical-resistant gloves and coveralls; Breathing: Organic vapor respirator in confined or high-exposure settings
Hygiene Measures: Hand washing after handling and before meals; no eating, drinking, or smoking in work area
Appearance: Clear, colorless liquid
Odor: Mild ether-like
Boiling Point: 190-210°C
Melting Point: -80°C
Flash Point: 74°C (closed cup)
Vapor Pressure: 0.2 mmHg @ 20°C
Specific Gravity: 0.95
Solubility: Miscible with water
Viscosity: 3.5 cP at 25°C
Evaporation Rate: Slow (compared to butyl acetate)
pH: Neutral (6-8 as supplied)
Chemical Stability: Stable under recommended storage and handling conditions
Conditions to Avoid: Heat, flames, sparks, strong oxidizers
Hazardous Reactions: Not likely under normal conditions
Hazardous Decomposition: Carbon monoxide, carbon dioxide, trace aldehydes under fire or extreme heat
Polymerization: Won’t self-polymerize under normal conditions
Likely Routes of Exposure: Inhalation, skin, eyes, ingestion
Acute Toxicity: Oral LD50 (rat): > 5000 mg/kg; Dermal LD50 (rabbit): > 2000 mg/kg
Skin Sensitization: Rare, occurs mostly in people prone to dermatitis
Repeated Dose Toxicity: Prolonged or repeated contact leads to defatting and irritation of skin
Carcinogenicity: No data showing cancer connection in lab animals
Mutagenicity: No evidence in standard test batteries
Symptoms: Headache, dizziness, mild narcosis in poorly ventilated conditions with high exposure
Ecotoxicity: Aquatic toxicity low, LC50 (fish, 96h) > 100 mg/L
Persistence and Degradability: Readily biodegradable; breakdown within 28 days
Bioaccumulation Potential: Low log Kow; won’t build up in aquatic food chains
Mobility in Soil: Product disperses quickly, doesn’t sorb to soil well
Other Effects: Spills may temporarily disrupt localized plant and microbial life if not managed
Waste Disposal: Send to licensed chemical disposal facility; avoid discharge into drains and watercourses
Container Handling: Empty containers may hold residue; rinse and dispose as hazardous waste
Local Regulations: Follow all federal, state, and local laws regarding chemical and container disposal
Recycling: Not recommended due to contamination risks
UN Number: Not regulated as hazardous for land, air, or sea transport
Proper Shipping Name: Dipropylene Glycol Methyl Propyl Ether
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Not regulated as a marine pollutant
Special Precautions: Avoid loading with strong oxidizers during consolidated transport
OSHA: Listed; minimal hazard but includes permissible exposure limits
TSCA: Section 8(b) listed
SARA Title III: Sections 302/304: Not listed; Section 313: Not listed
REACH: Registered in the EU with standard safety data
WHMIS (Canada): D2B - Irritant
California Proposition 65: Not listed
Other National Inventories: Appear on Australia (AICS), Japan (ENCS), China (IECSC), Korea (ECL), Philippines (PICCS)
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