Sulfonated castor oil
Time: 2013-06-02 05:07:16
Sulfonated castor oil
Synonyms
Castor oil, sulfonated;
Category
Anionic Surfactant
>> Sulfate
>> Ester-based Sulfate
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>> Vegetable Oil and Fat Sulfate
Chemical Numbering System
CAS RN: 101316-48-7
EINECS: 309-854-1
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Schematic formula:
Properties
Appearance    (1), liquid.
Solubility    soluble in water.
Stability    stable in weak alkali, weak acid and hard water; unstable in strong acid.
Risk    Liquid 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 wetting, permeating, emulsifying, dispersing, solubilizing abilities. Resistant to hard water.
Note    (1), Avoid using in children cleaning products, such as: shower gels, shampoo, skin care products.
Synthesis
Obtain by reaction of castor oil and sulfur trioxide.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Liquid
Actives, %, ≥
30.0
Test Methods
(1), Actives
GB/T 5173 Surface active agents and detergents-Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
2. Hazardous substances indexes
Item
Hazardous substances indexes
Liquid
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.
Major Uses
1. Typical applications
Use as wetting agent, permeating agent.
Use as emulsifying agent, dispersing agent.
2. Personal care products
Use as foaming agent.
3. Textile
Use as emulsifier, wetting agent, cleansing agent.
4. Printing and dyeing
Use as emulsifier, wetting agent.
5. Leather
Use as emulsifier, wetting agent, fat-liquoring agent.
6. Metal processing agents
Use as emulsifier. Such as: metalworking fluids, steel wire drawing lubricants.
Manufacturers
 
Update: 20131018(1); 20160920(2);