Chinese name :1, 2-propylene glycol; 1, 2-dihydroxypropane; Propylene glycol; Alpha-propylene glycol
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)
EINECS:200-338-0
CAS number :57-55-6
Safety term: Avoid contact with skin and eyes
It is miscible with water, ethanol and various organic solvents. Propylene glycol can be used as the raw material of unsaturated polyester resin.
It can be used as a wetting agent in combination with glycerin or sorbitol in cosmetics, toothpaste and soap. It is used as a moisture conditioner and hair leveller in hair dyes, as an antifreeze, and in the cellophane, plasticizer and pharmaceutical industries.
Folding physical and chemical properties
Appearance: Colorless viscous stable water-absorbing liquid, almost tasteless and odorless.
Relative density (water =1):1.04
Steam pressure: 106Pa at 20ºC
Flash point :99ºC(closed cup), 107ºC(open cup)
Specific heat capacity (20 ºC)2.49kJ/(kg.ºC),
Heat of vaporization (101.3kpa)711kJ/kg.
Spontaneous combustion temperature :421.1ºC
Solubility: miscible with water, ethanol and a variety of organic solvents.
Explosion limit :2.6-12.6%V/V
Folding quality index
(Quality system meets ISO9001:2000 standard)
Index pharmaceutical grade industrial excellent grade industrial grade
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
The IR test passed -- --
Moisture 0.2wt % max 0.1wt % 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 metal 5 ppm max -- --
Burning residue 0.0070 wt% max -- --
Oxidizing substances are Not required -- --
Reducing substances are Not required -- --
Voc - Chloroform 60 ppm max -- --
Organovolatile - dioxane 380 ppm max -- --
Organic Volatile compounds - Dichloromethane 600 ppmmax -- --
Organic volatile - trichloroethylene 80 ppm max -- --
Folding packaging, storage and transportation
Galvanized iron drum or paint drum, net weight of 200 or 215±0.5 kg per barrel, can also be packed in ISO TANK or according to customer's requirements.
This product should be stored in a cool, ventilated, dry place, according to the general chemical regulations storage and transportation
Folding first aid fire measures
First Aid:
1. Inhalation: Move to a place with fresh air and rest.
2. Skin contact: Remove contaminated clothes and rinse the skin with plenty of water or shower.
3. Eye contact: Open eyes, rinse with running water for 10 minutes, and then seek medical attention.
This product is flammable, should be away from the source of fire. Dry powder, anti-soluble foam, mist water, carbon dioxide and other fire extinguishing devices can be used.
CAS No.: 57-55-6
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