MonoPropylene Glycol ( MPG)

Basic Identification Attributes

• Chemical Name (IUPAC): Propane-1,2-diol

• Common/Trade Name: Mono Propylene Glycol (MPG)

• CAS Number: 57-55-6

• HS Code: 2905.32

• Synonyms: 1,2-Propanediol; Propylene Glycol

Physical & Chemical Properties

• Physical State: Clear, colorless, viscous liquid

• Color & Odor: Colorless; odorless to faintly sweet odor

• Boiling Point: 188.2°C

• Melting Point: -59°C

• Density: 1.036 g/cm³

• Solubility: Miscible with water, alcohols, and many organic solvents

• Viscosity: Approx. 60 cP at 20°C

Safety & Hazard Attributes

• GHS Classification: Low acute toxicity; not classified as hazardous under normal use

• Toxicity: Low toxicity; generally recognized as safe (GRAS) for food and cosmetic use

• Exposure Limits: OSHA PEL – Not established

Storage & Handling Attributes

• Storage Conditions: Store in cool, dry, well-ventilated area away from incompatible substances

• Container Type: Supplied in steel drums, plastic drums, and tankers

• Shelf Life: Typically 12–24 months if stored properly

• Handling Precautions: Use protective gloves and goggles; avoid inhalation of vapors and prolonged skin contact

Regulatory & Compliance Attributes

• Complies with FDA, REACH, EPA, and other major regulatory standards

• Approved as a food additive (E1520) and cosmetic ingredient

Environmental & Health Impact

• Biodegradability: Readily biodegradable

• Ecotoxicity: Low environmental impact; avoid release to aquatic systems in large amounts

• Bioaccumulation: Not expected to bioaccumulate

Carcinogenicity/Mutagenicity: Not classified as carcinogenic