Disodium rutinyl disulfate
time:2013-06-02 05:17:14,count:0
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 (Rev.6) 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