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Glycerol

CAS Number
56-81-5
EC Number
200-289-5
Chemical Formula
C3H8O3
Molecular Weight
92.09 g/mol

Description

Glycerol (CAS 56-81-5 ), also known as E422 , is a trihydric alcohol derived from natural fats and oils or produced synthetically as a byproduct of biodiesel manufacturing. It functions as a humectant, solvent, and plasticizer across food, pharmaceutical, personal care, and industrial applications. Pricerine 9091 is a recognized trade grade supplied into cosmetic and personal care markets. In food manufacturing, it retains moisture in baked goods, confectionery, and low-calorie sweetener formulations under the E422 designation. Pharmaceutical formulators use it as a solvent and carrier in oral syrups, topical creams, and suppository bases where controlled moisture activity is critical. Personal care producers incorporate it into skin creams, serums, and hair conditioners to maintain hydration. In polymer and resin production, it acts as a cross-linking agent in alkyd resins and polyurethane systems. Glycerol is supplied as a clear, viscous liquid, typically at 99.5% or 99.7% purity for high-performance needs. Established grades include USP , BP , Ph. Eur. , and FCC for regulated applications, alongside technical grade for industrial use. These standards ensure the material meets strict safety and quality benchmarks for global distribution. Bulk supply is available in drums, IBCs, and road tankers, with both vegetable-derived and synthetic origin options to meet clean-label or cost requirements. Our logistics network ensures timely delivery for large-scale manufacturing operations. Contact us for supply of Glycerol Request Quote

Other Names (Synonyms)

RG-S | propane-1,2,3-triol | Pricerine 9091 | osmoglyn | Mackstat H 66 | glysanin | glyrol | glycyl alcohol | E422

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point20 °C
Boiling Point290 °C
Density1.2613 g/cm³ @ Temp: 20 °C
Flash Point320 °F
AppearanceGlycerol is a viscous colorless or pale yellow, odorless, syrupy liquid.
ColorAPHA: ≤10
OdorOdorless.
FormViscous Liquid
Water Solubility>500 g/L (20 ºC)
Vapor Pressure<1 mm Hg ( 20 °C)
Refractive Indexn 20/D 1.474(lit.)
pH5.5-8 (25℃, 5M in H2O)
Log P-2.32

Trade & Regulatory

HS Code29054500
UN Number1282
ADR Class3
Packing GroupII
Storage Class10 - Combustible liquids
WGK (Germany)1