Sodium coco sulfoacetate
Time: 2013-06-01 01:47:07
Sodium coco sulfoacetate
Synonyms
2-Sulfoacetic acid, coconut alcohol ester, sodium salt;
Category
Anionic Surfactant
>> Sulfonate
>> Ester Sulfonate
>> Sulfomonobasic Fatty Acid Ester Salt
>> Sulfomonobasic Linear Alkyl Fatty Acid Alcohol(Natural Substance Derivative) Ester Salt
Chemical Numbering System
CASRNN/A
EINECSN/A
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
R: coco-alkyl.
Properties
Appearance    (1), solid.
Solubility    soluble in water.
Stability    stable in weak acid, weak alkali, hard water. Under strong acid or strong alkali, easily hydrolyze.
Risk    Solid form: flammable material; irritation, low irritation to skin, eye. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.6) label:  
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent cleansing, foaming, emulsifying, dispersing, wetting, solubilizing, permeating abilities. Mild. Good lime soap dispersing power. Suitable for neutral formula system.
Note    (1), Can be used in children washing products, such as shampoo, bath liquid and so on.
Synthesis
Sulfoacetic acid reacts with coconut alcohol, then obtain.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Solid
Actives, %, ≥
65.0
Insoluble materials in ethanol, %, ≤
12.0
Sodium chloride, %, ≤
15.0
Moisture, %, ≤
1.5
pH (25°C, 1%)
4.5 - 7.5
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), Insoluble materials in ethanol
 
(3), Sodium chloride
GB/T 15963 Sodium lauryl sulfate
ISO 894 Surface active agents -- Technical sodium primary alkylsulphates -- Methods of analysis
(4), Moisture
GB/T 13173 Surface active agents - Detergents - Testing methods
(5), 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
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 cleansing agent.
Use as foaming agent.
Use as emulsifying agent, dispersing agent.
2. Household detergents
Use as cleansing agent, emulsifying agent.
3. Personal care products
Use as cleansing agent, foaming agent.
Manufacturers
 
Update: 20131028(1); 20170919(2);