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Poly(ethylene glycol) Cas 25322-68-3

Function: Polyethylene oxide and water addition polymer. Those with a molecular weight below 700 are colorless, odorless, non-volatile viscous liquids at 20°C, slightly water-absorbent. Those with a molecular weight between 700 and 900 are semi-solid. Those with a molecular weight of 1000 and above are light white waxy solids or flake-like paraffins or fluid powders. It is miscible in water, soluble in many organic solvents, such as alcohols, ketones, chloroform, glycerides and aromatic hydrocarbons, etc.; insoluble in most aliphatic hydrocarbons and ether.

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Product Name: Poly(ethylene glycol)

Synonym:  PEG-400,PEG-2000

CAS No.: 25322-68-3

Molecular Formula:HOCH2(CH2OCH2)nCH2OH

Molecular weight:200~7000


Appearance Transparent liquid
Water(%) ≤0.50
Chroma,(Platinum-Cobalt) ≤30
PH Value 5.0-7.0
Hydroxyl number(KOHmg/g)  267-295
Molecrlar weight 380-420
Purity ≥99.58
Freezing point 4-8
Viscosity 6-8

 Packing: 200KG/DRUM

Application:Polyethylene glycol and polyethylene glycol fatty acid esters are widely used in the cosmetics industry and the pharmaceutical industry. Because polyethylene glycol has many excellent properties: water solubility, non-volatility, physiological inertness, mildness, lubricity, and makes the skin moist, soft, and pleasant after use. Different molecular weight fractions of polyethylene glycol can be selected to change the viscosity, hygroscopicity and tissue structure of the product. Polyethylene glycol with low molecular weight (Mr<2000) is suitable for use as a wetting agent and consistency regulator, used in creams, lotions, toothpaste and shaving cream, etc., and also suitable for non-washed hair care products , Gives hair a silky luster. Polyethylene glycol with high molecular weight (Mr>2000) is suitable for lipsticks, deodorant sticks, soaps, shaving soaps, foundations and cosmetics. In cleaning agents, polyethylene glycol is also used as a suspending agent and thickening agent.


Storage: It should be stored in a cool, dry place and stored in a closed container


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