Introduction

Propylene Glycol (CAS: 57-55-6), also known as 1,2-Propanediol, is a diol compound consisting of three carbon atoms and two hydroxyl groups.

Parameters and Specifications

Item	Unit	Specification	Results
Identification	---	Passed	Passed
Appearance	---	Colorless clear viscous liquid	Colorless clear viscous liquid
Assay	%	99.80min	99.91
EG	Ppm	50max	0
DEG	Ppm	50max	0
Residue on Ihnition	Mg	2.5max	0.8
Chloride	Weight%	0.007max	＜0.007
Sulfate	Weight%	0.006max	＜0.006
Heavy metals	Ppm	5max	＜5
Specific Gravity	25℃	1.035-1.037	1.036
Acidity(0.1N NaOH)	Pl	0.05max	0.03
Moisture	Weight%	0.10max	0.056
Fe	Ppm	0.1max	0
Color	Pt-Po	10max	10
IBP	℃	184	184
DP	℃	189	188

Features

Excellent solubility: Propylene Glycol is miscible with water and many organic solvents, making it a versatile solvent.
Low toxicity and high safety: It has low irritation and is widely regarded as safe for pharmaceuticals, food, and personal care use.
Hygroscopic and moisturizing: Strong moisture-retaining ability makes it useful as a humectant.
Versatile chemical structure: Its diol structure allows it to act as both alcohol and polyol in formulations.

Key Applications

Food additive: Used as solvent, humectant, and texture modifier in foods.
Pharmaceuticals: Functions as a solvent, carrier, and stabilizer in drug formulations.
Cosmetics & personal care: Common ingredient in lotions, creams, and other skin care for moisture and texture.
Industrial uses: Applied in antifreeze, heat transfer fluids, plastics and surfactants production.
Chemical intermediate: Raw material for esters, polymers, and other chemical syntheses.

customization

Purity levels: Offer food-grade, pharmaceutical-grade, and industrial grades to meet application needs.
Packaging options: Customized packaging sizes from drums to bulk containers available.
OEM service: Support for private labeling and customized branding.
Specification tailoring: Formulation specifications can be adjusted per customer requests.
Documentation: Technical datasheets and certificates provided on demand.

Our Services

Reliable sourcing: Long-term cooperation with certified manufacturers ensures stable supply.
Quality inspection: All products are checked before shipment.
Fast logistics: Efficient global shipping and documentation support.
Complete certificates: COA, MSDS, Packing List and other compliance documents provided.
Technical support: Professional assistance for product selection and application.
After-sales care: Responsive customer service for order follow-up and assistance.

FAQ

Q: What is Propylene Glycol?

A: It is a clear, colorless, viscous liquid diol (1,2-Propanediol) with excellent solubility.

Q: Is it safe for food and personal care use?

A: Yes, propylene glycol is recognized for low toxicity and is widely used in food, cosmetics and pharmaceuticals.

Q: What grades are available?

A: We supply food-grade, pharmaceutical-grade, and industrial grade according to application requirements.

Q: How is it shipped?

A: We arrange shipment by sea, air, or land based on customer needs and regulation.

Q: What packaging options are offered?

A: Standard drums, IBC containers, and customized bulk packaging are available.

Hot Tags: propylene glycol cas:57-55-6, China propylene glycol cas:57-55-6 manufacturers, suppliers, factory

Propylene Glycol CAS:57-55-6