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
CAS: 74135-10-7
EINECS: N/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 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);