Mono Propylene Glycol (MPG, 1,2-Propanediol)

1. Overview

Mono Propylene Glycol (MPG), also known as1,2-Propanediol(C₃H₈O₂), is a versatile, colorless, odorless, and slightly viscous liquid widely used in industrial, pharmaceutical, food, and cosmetic applications. It is a non-toxic, biodegradable diol with excellent solubility in water, alcohol, and many organic solvents.

2. Key Specifications

• Chemical Formula: C₃H₈O₂

• CAS No.: 57-55-6

• Molecular Weight: 76.09 g/mol

• Appearance: Clear, colorless liquid

• Purity: ≥99.5% (USP/Food Grade available)

• Density: 1.036 g/cm³ at 20°C

• Boiling Point: 188°C (370°F)

• Freezing Point: -60°C (-76°F)

• Flash Point: 99°C (210°F) –Non-flammable under normal conditions

3. Applications

• Food & Beverage Industry:

  • Approved byFDA/EFSAas a food additive (E1520) for humectants, solvents, and flavor carriers.

  • Used in beer, soft drinks, and dairy products.

• Pharmaceutical & Cosmetics:

  • Solvent for oral/topical drugs, cough syrups, and ointments.

  • Moisturizer in lotions, creams, and toothpaste.

• Industrial Uses:

  • Antifreeze/Coolantfor HVAC systems and food-grade refrigeration.

  • Chemical Intermediatefor polyester resins, plasticizers, and detergents.

  • Deicing Fluidfor aircraft and runways (low toxicity vs. ethylene glycol).

• Other Applications:

  • Carrier for fragrances, dyes, and electronic cigarette liquids.

4. Packaging & Storage

• Bulk: ISO tanks (20 MT), flexitanks.

• Drums: 200 kg sealed steel or plastic drums.

• Small Quantities: 25 kg HDPE cans or IBC totes (1,000 L).

• Storage: Keep in a cool, dry place away from direct sunlight. Shelf life:2 yearsif unopened.

5. Safety & Compliance

• Non-toxic, non-carcinogenic(GRAS status by FDA).

• Biodegradable(OECD 301B certified).

• Safety Data: Wear gloves/glasses if handling concentrated forms; no significant environmental hazards.

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