Propylene glycol

Key Chemical Information

• Chemical Name: Propylene Glycol

• CAS Number: 57-55-6

• Molecular Formula: C₃H₈O₂

• Appearance: Clear, colorless liquid

• Odor: Nearly odorless

• Solubility: Miscible with water, alcohols, and many organic solvents

  
  

Main Applications

1. Chemical & Industrial Applications

• Used as a solvent for resins, dyes, and coatings

• Acts as a heat transfer fluid and antifreeze component

• Intermediate for unsaturated polyester resins and plasticizers

  
  

2. Food & Beverage Industry

• Functions as a humectant and stabilizer

• Helps retain moisture and improve texture

• Commonly used in flavors, food additives, and processing aids

  
  

3. Pharmaceutical Applications

• Solvent and carrier for oral, injectable, and topical formulations

• Used in syrups, capsules, and medicinal solutions

  
  

4. Cosmetics & Personal Care

• Moisturizer and humectant in creams, lotions, shampoos, and toothpaste

• Enhances product stability and skin feel

  
  

Product Advantages

• Low toxicity and high safety profile

• Excellent solvent and moisture-retention properties

• Stable under normal storage and usage conditions

• Broad compatibility with various formulations

• Suitable for food, pharmaceutical, and industrial grades

  
  

Packaging & Storage

• Common packaging: drums, IBC tanks, or bulk supply

• Store in a cool, dry, and well-ventilated area

• Keep containers tightly closed and protected from moisture

  
  

Frequently Asked Questions (FAQs)

Q1: What is Propylene Glycol mainly used for?

A: It is used as a solvent, humectant, antifreeze agent, and chemical intermediate in food, pharmaceuticals, cosmetics, resins, and industrial products.

Q2: Is Propylene Glycol safe to use?

A: Propylene Glycol is widely recognized for its low toxicity and is commonly used in food, pharmaceutical, and personal care applications when used appropriately.

Q3: Is Propylene Glycol soluble in water?

A: Yes, it is completely miscible with water and many organic solvents.

Q4: Can Propylene Glycol be used in cosmetics and personal care products?

A: Yes, it is widely used as a moisturizer and solvent in skincare, haircare, and oral care formulations.

Q5: How should Propylene Glycol be stored?

A: It should be stored in sealed containers, away from excessive heat and moisture, in a well-ventilated area.

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