Propylene Glycol (CAS 57-55-6): Chemical Profile, Uses, Properties & Industrial Applications
Propylene Glycol Chemical Profile
Propylene Glycol is a versatile organic compound widely used across multiple industries because of its excellent solvent properties, moisture retention ability, and compatibility with many chemical formulations.
Known by the chemical name 1,2-Propanediol, Propylene Glycol belongs to the glycol family and is commonly supplied in industrial, pharmaceutical, and specialty grades.
Companies searching for reliable supply often require consistent quality, documentation, and bulk availability from a trusted Bulk Propylene Glycol Supplier.
Chemical Identity and Basic Information
Chemical Name: Propylene Glycol
Other Names: 1,2-Propanediol, Propane-1,2-diol
CAS Number: 57-55-6
Molecular Formula: C₃H₈O₂
Molecular Weight: 76.09 g/mol
Propylene Glycol contains two hydroxyl (-OH) groups, which give it strong water-mixing ability and make it useful as a solvent, carrier, and formulation ingredient.
Explore our Propylene Glycol Chemical Profile and supplier information to understand CAS 57-55-6, chemical properties, specifications, applications, and bulk supply options. Propylene Glycol (1,2-Propanediol) is a versatile glycol used in industrial, pharmaceutical, cosmetic, food, and manufacturing applications. Our supplier page provides technical details and sourcing information for businesses looking for reliable bulk Propylene Glycol solutions. �
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Chemical Profile →
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Physical and Chemical Properties –Propylene Glycol Chemical Profile
Propylene Glycol is a clear, colorless, nearly odorless liquid.
Key properties include:
High water solubility
Low volatility
Excellent solvent capacity
Hygroscopic characteristics
Stable chemical performance
Because of these characteristics, it is used in manufacturing processes where moisture control, dissolution, and stability are important.
Industrial Applications of Propylene Glycol
1. Pharmaceutical Applications
Propylene Glycol is commonly used as a solvent and carrier in pharmaceutical formulations.
Applications include:
Liquid medicines
Topical formulations
Active ingredient carriers
Stabilizing agents
Its ability to dissolve many organic compounds makes it valuable in pharmaceutical manufacturing.
2. Cosmetics and Personal Care Industry
The cosmetic industry uses Propylene Glycol because of its moisturizing and texture-enhancing properties.Propylene Glycol Chemical Profile
Common applications:
Creams
Lotions
Skin products
Hair care products
Cosmetic formulations
It helps maintain product consistency and improves ingredient distribution.
3. Food Industry Applications
Food-grade Propylene Glycol may be used in specific food processing applications.
Uses include:
Flavor carriers
Moisture control agent
Food ingredient solvent
4. Industrial Manufacturing Uses
Industrial Propylene Glycol is used in many manufacturing processes.
Applications include:
Heat transfer fluids
Industrial cleaners
Resin production
Chemical intermediates
Specialty formulations
For companies requiring larger quantities, choosing a dependable Bulk Propylene Glycol Supplier helps maintain production efficiency.Propylene Glycol Chemical Profile
Propylene Glycol vs Ethylene Glycol
Although both belong to the glycol family, they have different characteristics.
Propylene Glycol
Lower toxicity profile
Used in food, pharmaceutical, and cosmetic applications
Commonly selected where safety considerations are important
Ethylene Glycol
Mainly used in industrial applications such as antifreeze
Different chemical handling requirements
Understanding the difference helps industries select the correct glycol product for their application.
Industrial Grade vs USP Grade Propylene Glycol
Industrial Grade
Used for:
Manufacturing
Chemical processing
Industrial fluids
USP Grade
Used for:
Pharmaceutical applications
Personal care products
Higher purity requirements
The correct grade depends on the final application and regulatory requirements.
Propylene Glycol Supply and Packaging Options
Bulk chemical buyers typically require flexible supply options.
Common packaging:
Drums
IBC containers
Bulk tanker supply
A professional chemical supplier should provide:
Product specifications
Safety documentation
Quality information
Reliable logistics support
Quality and Testing of Propylene Glycol
Quality control is important for industrial chemicals.
Common analysis methods include:
Purity testing
Water content analysis
Identification testing
Chemical composition analysis
Learn more through our
Chemical Analysis Methods guide.
Chemical Analysis Methods guide.
Storage and Handling Information
Proper storage helps maintain product quality.
Recommended practices:
Store in sealed containers
Protect from contamination
Keep in suitable storage conditions
Follow SDS recommendations
For more information, see our Chemical Storage and Handling Guide.
How to Select a
Propylene Glycol Supplier
When choosing a supplier, consider:
Product Quality
Check specifications and documentation. To
Supply Capacity
Bulk buyers need reliable production and shipping capability.
Technical Support
A supplier should provide chemical information and support.
Packaging Options
Different industries require different delivery formats.
Why Bulk Propylene Glycol Is Important for Manufacturers
Large-scale industries depend on consistent chemical supply.
Bulk purchasing can provide:
Better supply stability
Easier inventory management
Reduced ordering frequency
Production continuity
Businesses looking for reliable sourcing can explore our Bulk Propylene Glycol Supplier page for product information.Propylene Glycol Chemical Profile
Frequently Asked Questions (FAQ)
What is Propylene Glycol used for?
Propylene Glycol is used in pharmaceuticals, cosmetics, food applications, and industrial manufacturing.
What is the CAS number of Propylene Glycol?
The CAS number is 57-55-6.
Is Propylene Glycol a solvent?
Yes, it is widely used as an organic solvent and carrier.
What industries use Propylene Glycol?
Industries include pharmaceutical, cosmetics, food, chemical manufacturing, and industrial processing.
How is Propylene Glycol supplied?
It can be supplied in drums, IBC containers, and bulk quantities.
Conclusion
Propylene Glycol is an important multifunctional chemical used across many industries because of its excellent solvent properties, stability, and versatility.
From pharmaceutical formulations to industrial manufacturing, reliable supply is essential. Businesses seeking consistent quality and bulk availability can learn more through our Bulk Propylene Glycol Supplier resource.
Bulk Propylene Glycol Supplier
Bulk Propylene Glycol Supplier
Industrial Solvents Guide
Laboratory Chemicals Supplier
Chemical Analysis Methods
Chemical Storage and Handling Guide
Glycol Products Category
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