Croscarmellose sodium
Time: 2020-05-08 20:15:09

Croscarmellose sodium

Synonyms

Cross-linked carboxymethylcellulose sodium;

Croscarmellose;

Category

Polymer Surfactant

> Polysaccharide and its Derivatives

>> Anionic-type

>>> Anionic Derivatives of Polysaccharide

Chemical Numbering System

CASRN: 74811-65-7

EINECS: N/A

Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A

Structure

 

Properties

Appearance    (1), solid.

Solubility    insoluble in water. Swelling in water.

Stability    stable.

Risk    Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.

GHS (Rev.8) label:  

Ecology    may be hazardous to environment. Water body should be given special attention.

Biodegradability    biodegradable.

Characteristics    excellent film-forming, emulsifying, dispersing, lubricating abilities.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Solid

Actives, %, ≥

80.0

Test Methods

(1), Actives

 

2, Hazardous substances indexes

Item

Hazardous substances indexes

Solid

Heavy metals (as Pb), mg/Kg, ≤

20

As, mg/Kg, ≤

3

Test Methods

(1), Heavy metals (as Pb)

Safety and Technical Standards for Cosmetics (2015 Edition)

GB/T 30799 The test method of food detergents - Determination of heavy metals

(2), As

Safety and Technical Standards for Cosmetics (2015 Edition)

GB/T 30797 The test method of food detergents - Determination of total arsenic

3, Product standards

(1), Chinese standards

(1a), Chinese Pharmacopoeia (2015 Edition) Croscarmellose Sodium

4, Further explanation

(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.

(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.

Major Uses

1, Typical applications

Use as dispersing agent, emulsifying agent.

Use as thickening agent.

Use as film-forming agent.

Use as adhesive.

Use as sustained-release agent.

Use as suspending agent.

Use as gel-forming agent.

2, Personal care products

Gel-forming agent, binding agent, bulking agent, viscosity controlling agent in personal care products.

3, Medicine

Pharmaceutical excipient, use as disintegrant, bulking agent. (This section is for reference only, should be implemented according to local Pharmacopoeia.)

Manufacturers