Propylene glycol

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Propylene glycol Specification

Chemical Composition
C3H8O2

Solubility
Completely Soluble in Water

Ph Level
6.0 8.0

Source
Synthetic

Ingredients
Propylene Glycol

Application
Pharmaceutical, Cosmetic, Food, Paint, Antifreeze

Product Type
Industrial Chemical

Form
Liquid

Color
Colorless

Weight
25 kg

Shelf Life
2 Years

Packaging
HDPE Drum

Fat Content (%)
0%

Flavor
Odorless, Tasteless

Grade Standard
Industrial Grade

Pack Size
25 kg, 200 kg

Physical State
Liquid

Pack Type
Drum

Purity
99.5%

About Propylene glycol

Name: Propane-1,2-diol
Synonyms: 1,2-Propanediol; Propylene glycol
Molecular Formula:C3H8O2
Molecular Weight:76.09
CAS Registry Number:57-55-6 (123120-98-9)
FEMA:2940
Propylene glycol, known also by the systematic name propane-1,2-diol, is an organic compound (a diol alcohol), usually a faintly sweet, and colorless, nearly odorless, clear, viscous liquid that is hygroscopic and miscible with water, acetone, and chloroform. It is marketed in two primary grades: industrial and USP grade.
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Versatile Industrial Applications

Due to its high purity (99.5%) and excellent solubility in water, propylene glycol is a favored choice for diverse uses across pharmaceutical, cosmetic, food, and industrial sectors. Its neutral scent and taste, combined with a stable chemical profile, make it a dependable ingredient in products ranging from medicinal solvents to food additives and coolants.

Safe and Reliable Packaging

Available in robust HDPE drums with 25 kg and 200 kg pack sizes, our propylene glycol is securely contained to maximize shelf life and safety during storage and transportation. The packaging ensures that purity is maintained for up to two years, supporting efficient handling and bulk use for various manufacturing needs.

FAQs of Propylene glycol:

Q: How is propylene glycol commonly used in various industries?

A: Propylene glycol serves as a solvent, humectant, anti-caking agent, and carrier fluid. It is widely used in pharmaceuticals, cosmetics, food processing, paints, and as an antifreeze component due to its safety profile, stability, and excellent solubility.

Q: What benefits does propylene glycol offer over other glycols?

A: With a high purity of 99.5% and neutral taste and odor, propylene glycol is less likely to impact product flavor or scent, making it suitable for sensitive formulations. Its complete solubility and low toxicity further enhance its desirability for industrial and food applications.

Q: Where is your propylene glycol sourced from, and how is it manufactured?

A: Our propylene glycol is synthesized in China using high-standard industrial processes that ensure consistent chemical composition (C3H8O2) and purity. Rigorous quality controls are observed from sourcing to packaging to meet international standards.

Q: What is the recommended shelf life and optimal storage process?

A: Propylene glycol maintains its quality for up to 2 years when stored in tightly sealed HDPE drums at ambient temperatures, away from direct sunlight and moisture. This minimizes contamination and preserves its chemical stability.

Q: When should propylene glycol be added in the production process?

A: The timing of addition varies by application. In pharmaceutical and cosmetic manufacturing, it is usually incorporated during the blending of ingredients, leveraging its solubility and stabilizing properties. For antifreeze and paint, it is added during formulation for optimal mixing.

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

A: Yes, this propylene glycol is odorless, tasteless, fat-free, and completely soluble, making it suitable for regulated use in foods and personal care products. Always ensure compliance with local regulatory limits and guidelines.

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