Sodium sucrose octasulfate
Time: 2013-06-02 05:15:49

Sodium sucrose octasulfate

Synonyms

alpha-D-glucopyranoside, 1,3,4,6-tetra-O-sulfo-beta-D-fructofuranosyl, tetrakis(hydrogen sulfate), octasodium salt;

Category

Anionic Surfactant

> Sulfate

>> Sugar Sulfate

>>> Disaccharide Group Sulfate

>>>> Disaccharide Sulfate

Chemical Numbering System

CASRN74135-10-7

EINECSN/A

Molecular Formula & Molecular Weight

Molecular Formula: C12H14Na8O35S8;C12H22O35S8.8Na

Molecular Weight: 1158.66

Structure

Properties

Appearance    (1), white to slightly yellow powder.

Solubility    soluble in water.

Stability    stable in alkali, weak acid and hard water; unstable in strong acid, hydrolyzed.

Risk    Solid form: irritation, irritation to skin, eye.

GHS (Rev.7) label: 

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

Biodegradability    biodegradable.

Characteristics    excellent dispersing, emulsifying abilities.

Synthesis

Sucrose and chlorosulfonic acid react, then react with sodium hydroxide, finally obtain product.

For further information, please refer to:

US patent 4,990,610 (Method for preparing high potency sucralfate) presents a synthetic process.

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Actives, %, ≥

90.0

pH (25°C, 1% solution)

5.5 - 8.0

Test Methods

(1), Actives

 

(2), pH

GB/T 6368 Surface active agents - Determination of pH of aqueous solution - Potentiometric method

ISO 4316 Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method

2, Hazardous substances indexes

Item

Hazardous substances indexes

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.

Major Uses

1, Typical applications

Use as dispersing agent, emulsion stabilizer.

2, Personal care products

Conditioning agent in personal care products.

Manufacturers

 

Update: 20131022(1); 20170220(2);