Mono Ethylene Glycol (MEG)

Basic Identification Attributes

• Chemical Name (IUPAC): Ethylene glycol

• Common/Trade Name: Mono Ethylene Glycol (MEG)

• CAS Number: 107-21-1

• HS Code: 2905.32

• Synonyms: Ethane-1,2-diol; 1,2-Dihydroxyethane

Physical & Chemical Properties

• Physical State: Clear, colorless, viscous liquid

• Color & Odor: Colorless; mild sweet odor

• Boiling Point: 197.6°C

• Melting Point: -12.9°C

• Density: 1.113–1.116 g/cm³

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

• Viscosity: Approx. 16.1 cP at 20°C

Safety & Hazard Attributes

• GHS Classification: Acute toxicity (oral and dermal), harmful if ingested; Specific target organ toxicity (repeated exposure)

• Toxicity: Toxic if swallowed; can cause central nervous system depression, kidney damage

• Exposure Limits: OSHA PEL – 50 ppm (8-hour TWA)

Storage & Handling Attributes

• Storage Conditions: Store in cool, dry, well-ventilated area away from ignition sources and incompatible materials

• Container Type: Supplied in steel drums, polyethylene containers, or tankers

• Shelf Life: Typically 12 months if stored properly

• Handling Precautions: Use gloves, goggles, and protective clothing; avoid ingestion and inhalation

Regulatory & Compliance Attributes

• Complies with REACH, OSHA, EPA, and FDA regulations (for industrial and indirect food contact use)

• Listed on TSCA inventory

Environmental & Health Impact

• Biodegradability: Readily biodegradable under aerobic conditions

• Ecotoxicity: Moderate toxicity to aquatic organisms; avoid release to water bodies

• Bioaccumulation: Low potential

Carcinogenicity/Mutagenicity: Not classified as carcinogenic