Propylene Glycol

Propylene glycol (also known as 1,2-propanediol) is a versatile chemical compound with extensive applications across industries. Here's a comprehensive overview of its major uses in English context:

1. ‌Industrial Applications‌

• Key raw material for producing polyurethanes through reaction with propylene oxide

• Gradually replacing more toxic substances in automotive applications due to lower toxicity

• Used in manufacturing paints and industrial coatings

2. ‌Food & Pharmaceutical Uses‌

• Common food additive functioning as:
  • Anti-caking agent (e.g., in dry soups)
  • Emulsifier (e.g., salad dressings)
  • Moisture retainer (e.g., marshmallows

• Solvent for pharmaceuticals and injectable drugs like lorazepam

• Considered "generally recognized as safe" (GRAS) by US/EU food authorities

3. ‌Cosmetics & Personal Care‌

• Humectant in cosmetics/toothpaste (often combined with glycerin)

• Hair conditioner in dyes and styling products

• Base liquid in vaping products (with vegetable glycerin)

4. ‌Specialized Uses‌

• Non-toxic sealing agent in scientific equipment

• Veterinary medicine for preventing ketosis in dairy cows

• Component in artificial smoke and e-cigarette liquids