Disodium rutinyl disulfate
Synonyms
Disodium 3-((6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one disulphate;
Rutin sodium sulfate;
Category
Anionic Surfactant
> Sulfate
>> Sugar Sulfate
>>> Flavonoid Glycosides Sulfate
>>>> Flavonoid Glycoside Sulfate
Chemical Numbering System
CAS: 12768-44-4
EINECS: 235-805-8
Molecular Formula & Molecular Weight
Molecular Formula: C27H28Na2O22S2; C27H30O22S2.Na2
Molecular Weight: 814.61
Structure
Schematic formula:
Properties
Appearance (1), yellow brown solid.
Solubility soluble in water.
Stability stable in alkali, weak acid and hard water; unstable in strong acid, hydrolyzed. Easily oxidized.
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 anti-oxidizing, anti-inflammatory, dispersing abilities.
Note (1), Compared with rutin, stability and water solubility improve significantly.
Synthesis
Rutin and chlorosulfonic acid (or other sulfonation agent) react, then react with sodium hydroxide, finally obtain product.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Actives, %, ≥ |
85.0 |
|
pH (25°C, 10% solution) |
5.5 - 9.5 |
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 antioxidant.
2, Personal care products
Antioxidant in personal care products.
Manufacturers
Update: 20131022(1); 20170224(2);