Propyleneglycol alginate

October 28, 2025

Pharmacopoeial Name: Propyleneglycol alginate
Chemical Name: 1,2-Propanediol alginate
CAS No.: [9005-37-2]

Description
Propyleneglycol Alginate (CAS: 9005-37-2) is a water-soluble polymer derived from alginic acid and propylene glycol. It functions as an emulsifier, stabilizer, and thickening agent in various applications across different industries. This product is primarily used in food processing, pharmaceuticals, and cosmetics due to its ability to modify texture, improve stability, and enhance product performance.
Product Specifications

Appearance

White or pale yellow powder

White or pale yellow powder

Insoluble ashes

≤1.0%

0.12%

Purity

≥98.0%

>98%

Loss on Drying

≤20.0%

12.18%
Product Characteristics

Molecular Formula (C9H14O70n

Boiling Point 886.32°C (rough estimate)

Density 1.2096 (rough estimate)

Vapor Pressure 10 mm Hg ( 132 °C)
Applications
Propyleneglycol Alginate (CAS: 9005-37-2) is a versatile compound widely used in various industries, including food, pharmaceuticals, and cosmetics. Some of its common applications include:
1. Food Industry: Used as a food additive (E405), it functions as a stabilizer, emulsifier, and thickening agent. It is commonly found in processed foods, ice cream, salad dressings, and beverages.
2. Pharmaceuticals: Serves as a binder and stabilizer in the production of tablets and capsules. It is also used in controlled-release formulations to regulate the release of active pharmaceutical ingredients.
3. Cosmetics & Personal Care: Used in formulations of lotions, creams, and shampoos, where it acts as a thickening agent and emulsifier.
4. Textile & Paper Industry: Employed in coating formulations and as a dispersing agent in paper production and textile manufacturing.
Packaging
- Packaging Type: Usually available in 25 kg or 50 kg fiber drums, polyethylene bags, or according to customer requirements.
- Material: Packaging should be moisture-resistant and sealed tightly to avoid contamination.
- Labeling: Each package should be clearly labeled with the product name, CAS number, expiration date, and safety handling instructions.