Propylene Glycol USP Kosher – Safety Data Sheet (SDS)

Link to SDS PDF

Quick Facts

• Chemical Name: 1,2-Propanediol

• CAS Number: 57-55-6

• Supplier: Interstate Chemical Company, Hermitage, PA

• Classification: Not hazardous under GHS

• NFPA Ratings: Health (1), Flammability (1), Reactivity (0)

Hazards & Safety

• GHS Classification: Not classified as hazardous

• Labeling: No labeling required

• Health Risks: Generally safe; may cause minor irritation in sensitive individuals

• California Prop 65: Not listed

First Aid Measures

• Inhalation: Move to fresh air; rest.

• Skin Contact: Wash with mild soap and water.

• Eye Contact: Rinse thoroughly with water; seek care if irritation persists.

• Ingestion: Rinse mouth, do not induce vomiting, seek medical help.

Fire & Explosion Data

• Flash Point: ~210 °F

• Flammability: Slight hazard – must be preheated before ignition

• Extinguishing Media: Foam, dry powder, CO₂, water spray

• Decomposition: Carbon monoxide, carbon dioxide

Handling & Storage

• Store in original container, cool, dry, ventilated area

• Keep away from strong acids/bases, sunlight, and heat sources

• Wash hands after handling

Exposure & PPE

• No exposure limits established

• Recommended PPE: Gloves, safety glasses

Physical & Chemical Properties

• Appearance: Clear, colorless, odorless liquid

• pH: 7–8

• Boiling Point: ~370 °F

• Melting Point: -60 °C

• Density: 1.036 g/cm³ (8.64 lb/gal)

• Viscosity: 20 mm²/s at 68 °F

Toxicology & Ecology

• Toxicity: Low (oral LD50 rat = 20,000 mg/kg)

• Biodegradability: Readily biodegradable

• Aquatic Toxicity: Very low (LC50 fish = 51,600 mg/L)

• Bioaccumulation: Not expected (Log Pow: -1.41 to -0.3)

Transport & Disposal

• Transport: Not regulated by DOT, IATA, IMDG, TDG

• Disposal: Follow local/national regulations; avoid environmental release