Propylene Glycol

Propylene Glycol, CAS# 57-55-6, Propylene glycol can be used as raw material for unsaturated polyester resin. In cosmetics, toothpaste and soap can be used with glycerol or sorbitol with a wetting agent. Used in hair dyes humidity, uniform hair agent, also used as an antifreeze, is also used cellophane, plasticizers and pharmaceutical industries.

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Product Description

About Propylene Glycol

Propylene glycol is a colorless and virtually odorless viscous liquid. It does not irritate the skin, but is mildly irritating to the eyes. Propylene glycol has a slightly sweet taste and is approved by the U.S. Food and Drug Administration for certain uses as food additives. Propylene glycol is hygroscopic and very stable. It has a high boiling point and low vapor pressure. Also, propylene glycol has the ability to dissolve other substances and is completely water-soluble.

The properties of propylene glycol make it perfect for a lot of specific uses in many different industries. Propylene glycol has a very broad array of practical applications and is used as a chemical ingredient in many products including anti-freezes, foods, cosmetics products, pharmaceuticals, aircraft de-icing fluids, fragrances, and personal care products.

These are some of the ways propylene glycol is used:
• As a solvent in pharmaceuticals including oral, inject-able, and topical formulas.
• As a moisturizer in medicines, cosmetics, food, toothpaste, shampoo, conditioner, pet care products, mouth wash, hair dye, and tobacco products.
• As an ingredient in massage oils, fragrance oils, hand sanitizers, antibacterial lotions, and saline solutions.
• To make artificial smoke or fog theatrical productions and firefighter training.
• As a vaporizable base for diluting the nicotine liquid in electronic cigarettes.
• As a solvent for food colors and food flavorings.
• As a wetting agent to determine time needed for paints and coatings to dry.
• As a lubricant in air conditioning compressors.

References on Propylene Glycol

[1]. Fiume MM, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD, Liebler D, Marks JG Jr, Shank RC, Slaga TJ, Snyder PW, Andersen FA. Safety assessment of propylene glycol, tripropylene glycol, and PPGs as used in cosmetics. Int J Toxicol. 2012 Sep-Oct;31(5 Suppl):245S-60S.

[2]. Moghbel A, Farjzadeh A, Aghel N, Agheli H, Raisi N. Evaluation of the effect of green tea extract on mouth bacterial activity in the presence of propylene glycol. Jundishapur J Nat Pharm Prod. 2012 Spring;7(2):56-60. Epub 2012 May 28.

[3]. Ben-Shabat S, Baruch N, Sintov AC. Conjugates of unsaturated fatty acids with propylene glycol as potentially less-irritant skin penetration enhancers. Drug Dev Ind Pharm. 2007 Nov;33(11):1169-75.

[4]. Bielefeldt AR, Illangasekare T, Uttecht M, LaPlante R. Biodegradation of propylene glycol and associated hydrodynamic effects in sand. Water Res. 2002 Apr;36(7):1707-14.