Pentylene Glycol, Pentanediol, PTD, 5343-92-0

Pentylene Glycol, Pentanediol, PTD, 5343-92-0

Pentylene Glycol (1,2-Pentandiol) – Green Preservative

Chemical Identity

• Molecular Formula: C5H12O2

• Molecular Weight: 104.15 g/mol

• CAS Number: 5343-92-0

• Synonyms:

  • 1,2-Pentandiol

  • Pentan-1,2-diol

  • 1,2-Dihydroxypentane

  • Pentylene Glycol

  • Glycol

  • Green Preservative

Production

• Source: Derived from agricultural products such as corn and sugarcane.

• Method: Synthetic production from bio-based raw materials.

• Key Feature: Free from petrochemical origin, making it suitable for sustainable “green cosmetics.”

Physical and Chemical Properties

• Appearance: Colorless, non-oily liquid

• Density: 0.994 g/cm³

• Melting Point: -18 °C

• Stability: Chemically stable, should be stored at room temperature

• Solubility: Miscible with water and many solvents

Applications

• Cosmetics:

  • Acts as a humectant, moisturizer, and skin-smoothing agent

  • Commonly used in daily skincare products to retain water and improve skin vitality

• Dermatology:

  • Used as a solvent with steroidal hormones

  • Combined with hydrocortisone for anti-inflammatory effects

• Pharmaceuticals:

  • Applied in allergy medications as a solvent

• Functional Properties:

  • Antimicrobial activity due to its dihydric alcohol structure

  • Low allergenic potential, preferred in high-quality cosmetic formulations

Advantages

• Eco-friendly: Bio-based, sustainable raw material

• Versatile: Functions as moisturizer, solvent, and antimicrobial agent

• Safe: Low toxicity and minimal allergenic effects