Propylene Glycol

Propylene glycol is a clear, colorless, odorless liquid with a slightly sweet taste. A hygroscopic diol with excellent solvent properties, it is widely used in food, pharmaceutical, cosmetic, and industrial applications. Miscible with water, acetone, and chloroform.

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Product Introduction

Zouping Jinxing Chemical Co., Ltd. is one of the leading manufacturers and suppliers of Propylene Glycol in China. If you're going to wholesale bulk Propylene Glycol made in China, welcome to get free sample from our factory. All customized products are with high quality and low price.

Products Description

Propylene glycol serves as a humectant, solvent, and emulsifier across multiple industries. Used as a food additive (E1520) for moisture retention and as a carrier for flavors and colors. Functions as a solvent in pharmaceuticals, cosmetics, and personal care products. Also used in antifreeze formulations, heat transfer fluids, and as a raw material for unsaturated polyester resins.

Key Specifications

Parameter Value
Appearance Clear, colorless liquid
Purity ≥ 99.5%
Boiling Point 184 - 189 °C
Melting Point -59 °C
Flash Point 99 °C (closed cup)
Density (20°C) 1.036 - 1.040 g/cm³
Water Content ≤ 0.1%

Packaging, Storage & Shipping

· Packaging: 200 kg / 200 L HDPE drums or steel drums. IBC totes and bulk tank trucks available upon request.
· Storage: Store in a cool, dry, well-ventilated area away from direct sunlight. Keep containers tightly sealed to prevent moisture absorption. Keep away from strong oxidizers and acids.
· Shipping: Not classified as dangerous goods for transport. No special shipping restrictions apply.

Product Advantages

· Propylene Glycol low toxicity: Food-grade and pharmaceutical-grade options available, safe for consumer products.
· Excellent Solvency: Dissolves a wide range of active ingredients and formulations.
· Hygroscopic: Effective moisture retention for food and cosmetic applications.
· Thermal Stability: Performs well across a broad temperature range.
· Versatility: Suitable for both industrial and consumer-facing applications.

FAQ

Q: What is the difference between propylene glycol and ethylene glycol?

A: Propylene glycol has much lower toxicity than ethylene glycol and is approved for food, pharmaceutical, and cosmetic use. Ethylene glycol is primarily used as industrial antifreeze and is toxic if ingested.

Q: Is propylene glycol safe for food and cosmetic use?

A: Yes. Food-grade and USP-grade propylene glycol are generally recognized as safe (GRAS) by FDA for use in food, pharmaceuticals, and personal care products within specified limits.

Q: What is propylene glycol used for in industrial applications?

A: Mainly used as a raw material for unsaturated polyester resins, as well as in antifreeze, de-icing fluids, and heat transfer systems where low toxicity is required.

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