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PENTYLENE GLYCOL

Last update on Apr 17, 2026

Pentylene glycol is a synthetic compound that belongs to the chemical group called 1,2 glycol. It is a transparent liquid, slightly viscous, colorless, odorless and soluble in water as well as oil. It is naturally derived from sugar cane. It is used in many cosmetic products. It is also referred to by the names 1,2- dihydroxypentane, 1,2-pentanediol, and pentane-1,2-diol.

CAS Number: 5343-92-0Chem/IUPAC Name: 2-heptanoyloxypentyl heptanoateEINECS/ELINCS No: 226-285-3COSING REF No: 58983

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What is PENTYLENE GLYCOL used for?

Pentylene glycol is used as an emulsion stabilizer, humectant, solvent and a broad-spectrum antimicrobial. It improves texture of the product. It has all the characteristics of a solvent. It is not reactive and can dissolve many other compounds. It is also known to have antimicrobial properties. It offers a double advantage: it protects the skin from harmful bacteria, which could otherwise cause body odor and acne problems on the skin. Secondly, it protects the product from any microbial growth, so the product can show the same quality during its use and shelf life.

  • Skin care: Due to the two -OH groups, it has a natural tendency to attract water. It also retains water, which is especially helpful for dry skin. It is used as a humectant and skin conditioning agent, for its ability to retain moisture. It is used in moisturizer, baby sunscreen, around-eye cream, antiperspirant/deodorant, serums & essences, hand cream, anti-aging, facial moisturizer/treatment, detanning products, bath oil/salts/soak, body oil, body firming lotion, cuticle treatment, body wash/cleanser, tanning oil, recreational sunscreen
  • Hair care: It is used in various hair care products such as hair treatment/serum, hair spray, hair styling aide, shampoo, detangler, beard care, shaving cream, beard oil, conditioner, hair color and bleaching, styling gel/lotion, mask, setting powder/spray
  • Decorative cosmetics: It is used in cosmetics such as lipstick, concealer, eye shadow, foundation, CC cream, blush, lip balm, facial powder, bronzer/highlighter, lip gloss, BB cream, makeup primer, brow liner, lip liner, eye liner, lip plumper, lip balm, makeup remover

Origin

Pentylene glycol is based on by-products from manufacturing processes based on sugarcane residues and corn spindles. However, it is manufactured in the lab as the consumption is relatively high.

What does PENTYLENE GLYCOL do in a formulation?

ANTIMICROBIAL|
EMULSION STABILISING|
HUMECTANT|
SOLVENT|
SKIN CONDITIONING

Safety Profile

Pentylene glycol does not have any evidence to suggest hazardous to health, toxicity, or carcinogenicity. The CIR Expert Panel has assessed it as safe as used. Non-comedogenic and biodegradable. It has been found to cause mild irritation to the eyes and skin in skin types that are already sensitized or prone to irritation.

PENTYLENE GLYCOL alternatives

PENTYLENE GLYCOL technical profile

PropertyValues
Boiling Point242°C (lit.)
Melting Point-18°C
pH7.5
SolubilitySoluble in water and oil; slightly soluble in methanol