Glycerol CAS#56-81-5

Glycerol is an essential basic organic raw material, with more than 1,700 applications in industrial, medical and daily fields. Its main uses cover pharmaceuticals, cosmetics, alkyd resins, tobacco, food, textile printing and dyeing, celluloid and explosives. The consumption of glycerol in alkyd resins, celluloid and explosives is decreasing, while its application in pharmaceuticals, cosmetics and food industries continues to expand.

1. Basic Product Information

· CAS Number: 56-81-5

· Chemical Formula: C₃H₈O₃

· Structural Formula: HOCH₂CH(OH)CH₂OH

· Synonyms: Emery 912, Glyceol, Glycerin USP, Glycerin (mist)

· Appearance: Colorless viscous liquid

· HS Code: 2905450000

· MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

· Biological Source: Synthetic (organic)

2. Product Description

Glycerol, also referred to as glycerin and trihydroxy alcohol, is a transparent, colorless, sweet-tasting viscous liquid. As the simplest trihydroxy alcohol, it serves as a high-value chemical intermediate. It is fully soluble in water and alcohol, while only partially soluble in ether and ethyl acetate. Glycerol is widely applied in perfumes, pharmaceuticals, antifreeze agents, soap manufacturing, and explosives production.

Glycerol CAS#56-81-5

3. Physical and Chemical Properties

ParameterValue
Melting point20 °C (lit.)
Boiling point290 °C
Density1.25 g/mL (lit.)
Vapor density3.1 (vs air)
Vapor pressure<1 mm Hg (20 °C)
Refractive indexn₂₀/D 1.474 (lit.)
FEMA2525
Flash point320 °F
Storage temperature+5 °C to +30 °C
SolubilityH₂O: 5 M at 20 °C, clear, colorless; >500 g/L (20 °C)
pKa14.15 (at 25 °C)
FormViscous liquid
ColorAPHA: ≤10
Specific gravity1.265 (15/15℃); 1.262
OdorOdorless
pH range5.5 - 8 (25 °C, 5 M in H₂O)
Explosive limit2.6-11.3% (V)
HygroscopicityHygroscopic
Dielectric constant47.0 (Ambient)
StabilityStable; Incompatible with perchloric acid, lead oxide, acetic anhydride, nitrobenzene, chlorine, peroxides, strong acids, strong bases; Combustible
LogP-2.32
Surface tension64 mN/m at 20 °C
InChIKeyPEDCQBHIVMGVHV-UHFFFAOYSA-N
Exposure limitsOSHA: TWA 15 mg/m³; TWA 5 mg/m³

4. Safety Information

ItemDetails
Hazard CodesF, Xn
Risk Statements36-20/21/22-11
Safety Statements24/25-39-26
RID/ADRUN 1282 3/PG 2
WGK Germany1
RTECSMA8050000
Autoignition Temperature698 °F
TSCAYes
ToxicityLD₅₀ in rats (mL/kg): >20 orally; 4.4 i.v.

5. Product Applications

Glycerol is an essential basic organic raw material, with more than 1,700 applications in industrial, medical and daily fields. Its main uses cover pharmaceuticals, cosmetics, alkyd resins, tobacco, food, textile printing and dyeing, celluloid and explosives. The consumption of glycerol in alkyd resins, celluloid and explosives is decreasing, while its application in pharmaceuticals, cosmetics and food industries continues to expand.

6. Delivery Information

· Inventory orders: 2-3 working days

· New production orders: 7-10 working days

· Fast delivery service supported

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