1, 2-Propanediol Propylene Glycol Pg USP Grade 99.9 % CAS No. 57-55-6

• Transport Package: Drum
• Specification: 215kg/drum
• Origin: China
• Model NO.: 1, 2-Propanediol
• HS Code: 2905320000

Product Description

1,2-Propanediol Propylene glycol PG USP grade 99.9 % CAS No.57-55-6
HS Code:2905320000
Propylene glycol is mainly used as humectant, solvent and solubilizer in skin care products.
Propylene glycol in skin care products is used as a solvent and softener in cosmetics. Propylene glycol is added in skin care products, which is generally used in cosmetics and essence. As a polyol, it is a small molecule moisturizing ingredient, which can lock up water and play a role in moisturizing, but its water absorption is relatively weak, and the moisturizing effect is general; In addition, in skin care products, it not only has the moisturizing effect, but also has the effect of promoting skin absorption. It can be used as a penetrant, so that the ingredients of skin care products can be better absorbed by the skin.
Propylene glycol is an organic compound, usually a slightly sweet, odorless, colorless and transparent oily liquid, which is hygroscopic and easy to mix with water, acetone and chloroform. It has good viscosity and hygroscopicity and is widely used in food, medicine and cosmetics industries. In the food industry, propylene glycol is mainly used as food emulsifier, and is a good solvent for condiments and pigments. In the pharmaceutical industry, propylene glycol is often used to manufacture various kinds of ointment, ointment solvent, softener, etc. In addition, propylene glycol is also used as a solvent and softener for cosmetics.

Items	Specifications
Appearance	Clear liquid
MPG Assay,wt.%	Min. 99.8
Sp. Gr (25/25ºC)	1.035-1.037
Color, APHA	Max.10
Water ,ppm	Max.700
Iron, ppm	Max.0.1
Chlorides,wt,ppm	Max.1.0
Sulfate ,wt,ppm	Max.10
Heavy metals, ppm	Max.5