Chemical Name: Beta-Propyleneglycol
Synonyms: 1,2-Propanediol; Propylene glycol
CAS Number: 57-55-6
Recommended Use: Solvent, humectant in personal care, antifreeze in automotive and industrial applications
Supplier: Provided by chemical distributor or manufacturer contact on product label
Emergency Phone: Number supplied by manufacturer
Classification: Not classified as hazardous according to OSHA Hazard Communication Standard
Label Elements: No pictogram or signal word needed in most regions
Hazard Statements: May cause mild eye irritation, negligible inhalation risk, low acute toxicity
Precautionary Statements: Avoid eye exposure, wash skin after handling, avoid creating mist or vapor
Other Hazards: Spilled liquid can be slippery, may cause local water contamination in large spills
Chemical Identity: 1,2-Propanediol (Beta-propyleneglycol)
Purity: ≥99%
Impurities: Trace amounts of water and diethylene glycol possible based on manufacturing
Other Components: No significant additives, no intentionally added hazardous materials
Inhalation: Move affected person to fresh air, provide comfort; get medical attention if symptoms develop
Skin Contact: Wash with soap and water, remove contaminated clothing; seek care for irritation
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, lift eyelids, seek medical care if irritation continues
Ingestion: Rinse mouth, drink water, do not induce vomiting, get medical advice if unwell
Symptoms: Mild irritation to eyes, rarely causes gastrointestinal discomfort if swallowed in large amounts
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Media: Straight water stream can spread fire
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and full turnout gear
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, possibly irritating fumes
Specific Hazards: Moderate fire hazard, vapors may form explosive mixtures at high temperatures
Personal Precautions: Use protective gloves, goggles, and non-slip footwear
Environmental Precautions: Prevent liquid from entering drains, sewers, waterways
Methods for Cleanup: Contain spills with absorbents like sand or vermiculite, collect in suitable container
Disposal of Cleanup Materials: Follow official local regulations, avoid release to the environment
Additional Advice: Wash area thoroughly to remove residue, ventilate confined spaces
Handling: Use in well-ventilated places, avoid contact with eyes and prolonged skin exposure
Storage Conditions: Store in cool, dry, well-ventilated areas, keep tightly closed
Incompatible Materials: Avoid strong oxidizers, strong acids
Transfer Precautions: Ground containers when transferring to prevent static discharge
Hygiene Measures: Wash hands before eating, drinking, or smoking; keep work area clean
Exposure Limits: ACGIH TLV not established; workplace exposure is rarely an issue
Engineering Controls: Local exhaust encouraged where vapor or mist could form
Personal Protective Equipment: Chemical-resistant gloves, splash goggles
Respiratory Protection: Use when airborne concentrations are high; dust mask or respirator for mist
General: Use common sense laboratory practice, provide eye-wash stations
Appearance: Colorless, clear, viscous liquid
Odor: Faint, sweet odor
Melting Point: -59°C (-74°F)
Boiling Point: 188.2°C (370.76°F)
Flash Point: 99°C (210°F) (closed cup)
Vapor Pressure: 0.13 mmHg at 20°C
Solubility: Miscible with water, alcohols, acetone
Density: 1.036 g/cm³ at 20°C
pH: 7 (5% solution in water)
Viscosity: 58 mPa·s at 20°C
Chemical Stability: Stable at standard temperature and pressures
Conditions to Avoid: Prolonged exposure to heat, flames, sunlight
Incompatible Materials: Strong oxidizers like chlorine, nitric acid; strong acids and bases
Hazardous Reactions: No hazardous polymerization, produces flammable vapors at high temperature
Decomposition Products: Carbon oxides, possibly irritating fumes under strong heating
Acute Toxicity: Low toxicity to humans and animals by ingestion, inhalation, or skin contact
LD50 Oral (rat): ~20,000 mg/kg
Skin Corrosion: No significant irritation or corrosion in animal studies
Eye Damage: Slight irritation may occur
Chronic Effects: No evidence of carcinogenicity, mutagenicity, or reproductive toxicity
Sensitization: Not a skin sensitizer, rarely causes allergic response
Other Effects: Large oral doses may cause osmotic diarrhea
Aquatic Toxicity: Low toxicity for aquatic organisms, LC50 >10,000 mg/L for fish
Persistence and Degradability: Biodegradable, breaks down in the environment within weeks
Bioaccumulation: Not expected to bioaccumulate
Mobility in Soil: High solubility, likely to migrate with water
Other Adverse Effects: Large spills may demand site remediation; avoid uncontrolled release
Waste Disposal Methods: Dispose of according to local, state, and federal regulations
Container Disposal: Rinse containers, offer recycling where possible, dispose as chemical waste
Hazardous Waste: Not considered a hazardous waste under US Federal regulations
Special Instructions: Prevent contamination of soil, water, and drains
UN Number: Not regulated as dangerous goods
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not listed as a marine pollutant or environmental hazard
Special Transport Precautions: Avoid container damage during loading/unloading, keep secure during transit
Occupational Safety: Listed under US OSHA as non-hazardous
Inventory Listings: Registered under TSCA, REACH, DSL, AICS, NZIoC
Labeling Requirements: Not subject to hazard labeling under most chemical regulations
Specific Restrictions: No specific restrictions for end users under normal conditions
Community Right to Know Acts: Not subject to reporting under SARA Title III Section 313 or California Proposition 65
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