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Propylene Glycol (CAS 57-55-6)

Propylene Glycol (1,2-propanediol) is a versatile organic compound with the molecular formula C?H?O?. It exists as a colorless, odorless, and viscous liquid with hygroscopic properties, widely used across industries due to its low toxicity and excellent solubility.

Key Properties:

• Physical State: Clear, odorless liquid at room temperature .
• Melting Point: -59°C .
• Boiling Point: 188.2°C .
• Density: 1.036 g/mL (20°C) .
• Solubility: Miscible with water, ethanol, acetone, and most organic solvents .

Applications:

1. Food & Beverage:

   • Humectant: Preserves moisture in baked goods (e.g., cakes, bread) and confectionery .
   • Emulsifier: Stabilizes emulsions in dairy products and salad dressings .
   • FDA-Approved: Classified as Generally Recognized As Safe (GRAS) for food use, with permitted levels in noodles (≤1.5 g/kg) and pastries (≤3 g/kg) .

2. Cosmetics & Personal Care:

   • Hydration: Enhances skin moisturization in creams, lotions, and serums .
   • Solvent: Dissolves fragrances, essential oils, and active ingredients (e.g., sunscreens) .
   • Preservative Enhancer: Works synergistically with other preservatives to extend product shelf life .

3. Industrial Uses:

   • Antifreeze: Prevents freezing in automotive coolants and aircraft deicers .
   • Resin Production: A key monomer in unsaturated polyester resins for coatings and composites .
   • Solvent: Used in paints, inks, and adhesives for viscosity control .

4. Pharmaceuticals:

   • Drug Carrier: Solubilizes hydrophobic drugs in injectables and oral formulations .
   • Stabilizer: Maintains the stability of vaccines and topical medications .

Safety:

• Low Toxicity: LD?? >20,000 mg/kg (oral, rat) .
• Skin Compatibility: Generally non-irritating, though sensitive skin may require dilution .

See More Isooctyl stearate Properties 

Hazard Identification

Classification of the substance or mixture

no data available

GHS label elements, including precautionary statements

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Isooctyl stearate Safety Data Sheet 

East Chemsources Limited was established in 2008, is a professional company engaged in the development of chemical products. In the past of 15 years， through continuous technological innovation and the use of talent introduction advantages, we have achieved rapid development, and has become an international diversified modern chemical enterprise. At present, our products have been exported to more than 80 countries,including food additives,  pharmaceutical raw materials, chemical products and personal care

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