Propylene Glycol

Propylene glycol, also known as 1,2-propanediol, is a chemical compound in the glycol class.

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Propylene Glycol

Propylene glycol, also known as propane-1,2-diol, 1,2-dihydroxypropane, or methyl glycol, is a diol with the chemical formula CH3–CHOH–CH2OH. It has various industrial and agro-pharmaceutical uses, is used in small amounts as a food additive, and more recently, in electronic cigarettes.

Features:

  • It is a colorless, odorless liquid with a sweet taste.
  • It is hygroscopic, meaning it absorbs moisture from the air.
  • It is miscible with water and many organic solvents.

Uses:

  • Food industry: Used as a food additive (E1520) to improve texture and extend the shelf life of food.
  • Pharmaceutical industry: Used as an excipient in the formulation of drugs and pharmaceutical products.
  • Cosmetic industry: Found in many cosmetic and personal care products, such as creams, lotions, and deodorants.
  • Tobacco industry: Used as a suspending agent in the production of e-cigarette liquids.
  • Chemical industry: Employed as a solvent in the manufacture of plastics, resins, antifreeze gels, and other chemicals.

Precautions:

  • Propylene glycol is generally considered safe when used in accordance with regulations.
  • However, allergic reactions may occur in some individuals, so precautions should be taken.
  • It is hygroscopic, and its use should comply with applicable standards and regulations.

Data sheet

CAS Number
4254-14-2
HS Code
29053200
Chemical Formula
C3H8O2
Appearance
colorless liquid
Color
odorless and sweet tasting
Packaging
1000 kg tank / 215 kg drum

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