Propylene Glycol (Monopropylene Glycol) | 57-55-6

Cas No :

57-55-6

Synonyms :

Form :

Liquid

Molecular Weight :

76.09 G/Mol

Molecular Formula :

C3H8O2

Boiling Point :

187 °C

Melting Point :

–60 °C

Flash Point :

107 °C

Solubility :

Miscible With Water, Ethanol, Acetone

Description :

Overview of Propylene Glycol

Propylene Glycol (PG), also known as Monopropylene Glycol, is a clear, colorless, and nearly odorless viscous liquid. As a premier Industrial Chemical Supplier, Chemical Bull offers high-purity Propylene Glycol that meets USP (United States Pharmacopeia) and Food Grade standards, ensuring safety for human consumption and topical application.

Known for its exceptional hygroscopic properties, Propylene Glycol (CAS 57-55-6) acts as a superior solvent and humectant. It is the preferred choice for formulators looking for a multifunctional ingredient that maintains moisture, stabilizes emulsions, and enhances the delivery of active ingredients.

 

Application of Propylene Glycol

Personal Care & Cosmetics: The Moisture Specialist Propylene Glycol is a "Star" product within the Personal Care.

  • Humectant Properties: It attracts and retains moisture in the skin, making it a staple in lotions, creams, and serums.

  • Solubilizer: It helps dissolve fragrance oils and active ingredients that are not water-soluble, ensuring a clear and stable formulation.

  • Viscosity Control: It pairs excellently with Lauryl Glucoside and other surfactants to achieve the desired thickness in shampoos and body washes.

Pharmaceutical & Medical Applications

Propylene Glycol is commonly used in medicines as a solvent and moisture-holding agent. It helps active ingredients dissolve properly and improves product stability.

It is widely used in propylene glycol eye drops, syrups, injectables, and topical medicines. In dermatology products, it is often used along with ingredients such as Salicylic Acid and Menthol to improve skin absorption and provide a cooling effect. It is also a key ingredient in propylene glycol cream formulations, where it helps medicines spread easily and evenly on the skin.

Cosmetic & Personal Care Applications

In cosmetics and personal care products, Propylene Glycol works as a humectant, meaning it helps keep skin and hair moisturized. It also helps carry active ingredients deep into the skin.

Many people ask is propylene glycol safe for the skin and is propylene glycol safe in hair products. When used within approved limits, it is considered safe and effective. It is commonly found in creams, lotions, shampoos, conditioners, deodorants, and makeup products.

Food & Beverage Applications

Propylene Glycol is utilized in drinks and food as a stabilizer and solvent. The most frequently asked question is the purpose of propylene glycol being used in drinks. It assists in dissolving flavors colors and other ingredients evenly that improves the taste and appearance of drinks.

It is used in soft drinks, flavoring extracts, food colors, and processed foods in controlled amounts.


Safety and Handling Guidelines

  • Avoid direct contact with the eyes during bulk handling

  • Use gloves when handling large quantities

  • Wash your hands after handling

  • Store in a cool, dry place

  • Keep containers tightly closed

  • Avoid contamination during storage

  • Refer to the MSDS before use


Where to Buy Propylene Glycol?

Propylene Glycol Manufacturer

Propylene Glycol manufacturers produce the material under controlled conditions to ensure high purity and consistent quality. Production processes meet the requirements of the pharmaceutical, cosmetic, and food industries.

Propylene Glycol Supplier & Distributor

Suppliers and distributors of Propylene Glycol offer bulk supply, proper packaging, and technical documentation. They serve domestic and international markets across multiple industries.


MSDS for Propylene Glycol

The MSDS for Propylene Glycol provides important information on safe handling, storage conditions, potential hazards, first aid measures, and disposal guidelines. It should always be reviewed before use.


Frequently Asked Questions (FAQs)

  1. Is propylene glycol an alcohol?

    Propylene glycol, however, isn't an alcohol like the alcohol ethanol. It is a distinct type of organic chemical.

  2. Is propylene glycol safe for the skin?

    Yes, it is considered safe for the skin when used within approved limits.

  3. Is propylene glycol safe in hair products?

    Yes, it is commonly used in shampoos and conditioners to help retain moisture.

  4. Why is propylene glycol in drinks?

    It helps dissolve flavors and colors evenly in beverages.

  5. What is the difference between propylene glycol vs ethylene glycol?

    Propylene glycol is much safer and is used in food and cosmetics, while ethylene glycol is toxic and used mainly in industrial applications.