Sodium Hydroxypropyl Starch Phosphate
Time: 2013-01-19 15:08:54

Sodium Hydroxypropyl Starch Phosphate

Synonyms

Starch, phosphate, 2-hydroxypropyl ether, sodium salt;

Category

Polymer Surfactant

> Polysaccharide and its Derivatives

>> Anionic-type

>>> Anionic Derivatives of Polysaccharide

Chemical Numbering System

CASRN: 221355-22-2

EINECS: N/A

Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A

Structure

 

Properties

Appearance    (1), white solid.

Solubility    soluble 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. Low gelatinization temperature; high transparency of gelatinization solution.

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, 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 suspending agent.

Use as sustained-release agent.

2, Personal care products

Bulking agent, abrasive, viscosity controlling agent in personal care products.

3, Paper-making

Surface sizing agent in paper-making.

4, Powder molding

Adhesive in ceramics.

5, Coatings

Film-forming agent, adhesive in paints.

Manufacturers

 

Update: 20140911(1); 20200503(2);