Sodium Ricinoleic Acid n-Butyl Ester Sulfate
Synonyms
Sodium Ricinoleic Acid Butyl Ester Sulfate;
Category
Anionic Surfactant
> Sulfate
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>>>> Fatty Acid (Plant Origin) Ester Derivatives Sulfate
Chemical Numbering System
CAS: N/A
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Schematic formula of basic component:
Properties
Appearance (1), yellow or brown viscous liquid; (2), solid.
Solubility soluble in water.
Stability stable in weak alkali, weak acid and hard water; unstable in strong acid, strong alkali. Resistant to hard water and acid more than turky red oil.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Liquid 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 emulsifying, wetting, permeating, dispersing, solubilizing abilities. Resistant to hard water. Low foaming.
Note (1), Avoid using in children cleaning products, such as shower gels, shampoo, skin care products.
Synthesis
Possible synthetic method A:
(1), Castor oil fatty acid is obtained by hydrolysis of castor oil;
(2), Ricinoleic acid butyl ester is obtained by esterification of castor oil fatty acid and butanol;
(3), Ricinoleic acid butyl ester sulfate is obtained by sulfation of ricinoleic acid butyl ester and concentrated sulfuric acid (or sulfur trioxide);
(4), Sodium ricinoleic acid butyl ester sulfate is obtained by water cleaning, neutralization.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
30 |
|
pH (25°C, 1% solution) |
6.5 - 9.5 |
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), 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 |
|
|
Solid |
Liquid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
20 |
|
As, mg/kg, ≤ |
3 |
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
Widely use as emulsifying agent. Such as: pesticides, metal working fluids, emulsion polymerization, and other fields.
Use as wetting agent, permeating agent.
2, Textile
Penetrating agent, softening agent, leveling agent in textile.
3, Leather
Penetrating agent, fat-liquoring agent, retanning agent in leather.
4, Emulsion polymerization
Emulsifier, particle size controlling agent in emulsion polymerization.
Manufacturers
Update: 20131018(1); 20160829(2);