Sterculia urens gum
Time: 2020-05-02 22:15:57

Sterculia urens gum

Synonyms

Karaya gum;

FEMA No. 2605;

Category

Polymer Surfactant

> Polysaccharide and its Derivatives

>> Anionic-type

>>> Anionic Polysaccharide and its Derivatives

Chemical Numbering System

CASRN: N/A

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.7) label:  

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

Biodegradability    biodegradable.

Characteristics    excellent film-forming, emulsifying, dispersing, lubricating, sustained-release, adhesive 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), GB 1886.254 Food safety national standard -- Food additive -- Karaya gum

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 film-forming agent.

Use as thickening agent.

Use as slow-release agent.

Use as dispersing agent, emulsifying agent.

Use as gel-forming agent.

Use as adhesive.

Use as suspending agent.

2, Personal care products

Binding agent, masking agent, viscosity controlling agent, emulsion stabilizer, hair fixing agent in personal care products.

3, Food

Use as food additive (stabilizer, perfume).

Manufacturers