Propylene Glycol/Industrial Grade/usp/cosmetic/CAS 57-55-6
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Propylene Glycol/Industrial Grade/usp/cosmetic/CAS 57-55-6

  • 57-55-6

  • C3h8o2

  • 200-338-0

  • Aromatic Alcohol

  • Liquid

  • 1°(Primary Alcohol)

Hydroxyl No. Monohydroxy
Content 99.50%
Packing 200kg/Drum
Product Name Propylene Glycol
Molecular Formula C3h8o2
Density 1.036 G/Ml at 25 °c(Lit.)
Sensitive Hygroscopic
Transport Package 200kg/Galvanized Drum; 1mt/IBC Drum
Specification 99.50%
HS Code 2905320000

Product English name: 1,2-Propanediol;1,2-Dihydroxypropane;α-Propylene glycol;Propylene glycol

English alias: (+/-)-1-Glycerol, polymer-supported; ethane-1,2-diol - prop-1-ene (1:1)

Molecular formula: CH2OHCHOHCH3(C3H8O2)


CAS Number: 57-55-6

Safety terms: Avoid contact with skin and eyes

Miscible with water, ethanol and various organic solvents. Propylene glycol can be used as a raw material for unsaturated polyester resins.

It can be used as a humectant in combination with glycerin or sorbitol in cosmetics, toothpaste and soap. In hair dyes, it is used as a moisturizing and leveling agent, as an antifreeze, as well as in cellophane, plasticizer and pharmaceutical industry.

Folding physicochemical properties
Appearance: Colorless viscous and stable absorbent liquid, almost tasteless and odorless.

Relative density (water=1): 1.04

Vapor pressure: 106Pa at 20ºC

Flash point: 99°C (closed cup), 107°C (open cup)

Specific heat capacity (20 ºC) 2.49kJ/(kg. ºC),

Heat of vaporization (101.3kpa) 711kJ/kg.

Auto-ignition temperature: 421.1ºC

Solubility: Miscible with water, ethanol and various organic solvents.

Explosion limit: 2.6-12.6%V/V

Folding Quality Index
(Quality system complies with ISO9001:2000 standard)

Index Pharmaceutical Grade Industrial Premium Grade Industrial Grade I

Appearance Colorless transparent viscous liquid

Content 99.5 % min 99.5 % min 99.0% min

Chroma (Platinum-Cobalt) 10 max 10 max 16 max

Density (20/25 °C) 1.0350~1.4010 1.0350~1.4010 1.0350~1.4010

Refractive index (25°C) 1.4307~1.4317 1.431~1.435 1.426~1.435

Distillation range, IBP 184.0 °C min 184.0 °C min 183.0 °C min

Distillation range, DP 189.0 °C max 190.0 °C max 190.0 °C max

IR detection passed -- --

Moisture 0.2 wt% max 0.1 wt% max 0.2% max

Alkalinity 0.0020 wt% max 0.0020 wt% 0.01% max

Chloride 0.007 wt% max -- --

Sulfate 0.006 wt% max -- --

Heavy metals 5 ppm max -- --

Ignition residue 0.0070 wt% max -- --

Oxidizing substances Not required -- --

Reducing substances Not required -- --

Organic Volatile Matter - Chloroform 60 ppm max -- --

Organic Volatile - Dioxane 380 ppm max -- --

Organic volatile matter - methylene chloride 600 ppmmax -- --

Organic volatile matter - trichloroethylene 80 ppm max -- --

Folding packaging, storage and transportation
Packed in galvanized iron drums or varnished drums, with a net weight of 200 or 215±0.5 kg per drum, and can also be packaged in ISO TANK or according to customer requirements.

This product should be stored in a cool, ventilated and dry place, and stored and transported according to general chemical regulations




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