Sodium lauryl hydroxyacetamide sulfate
Synonyms
Lauryl hydroxyacetamide sulfate sodium salt;
Category
Anionic Surfactant
>> Sulfate
>> Amide-based Sulfate
>> Fatty Acid Amide Derivatives Sulfate
>> Linear Fatty Acid Amide Derivatives Sulfate
Chemical Numbering System
CASRN: N/A
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C14H28NNaO5S; C14H29N1O5S.Na (SciFinder Hill Rules)
Molecular Weight: 345.43
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable in weak alkali, weak acid and hard water; unstable in strong acid, strong alkali.
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 (Rev.6) label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, emulsifying, foaming, wetting, permeating, dispersing, solubilizing, foam stabilizing abilities. Resistant to hard water.
Note (1), Can be used in children cleaning products, such as shower gels, shampoo.
Synthesis
(1), Lauryl hydroxyacetamide is obtained by amidation of glycolic acid and lauryl amine;
(2), Lauryl hydroxyacetamide sulfate is obtained by sulfation of lauryl hydroxyacetamide and sulfur trioxide;
(3), Purify and obtain sodium lauryl hydroxyacetamide sulfate, by neutrallzation of alkaline substances (such as: sodium hydroxide).
Quality Standards & Test Methods
1. Physical and chemical indexes
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Item
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Physical and chemical indexes
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Solid
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Actives, %, ≥
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90.0
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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
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Item
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Hazardous substances indexes
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Solid
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Heavy metals (as Pb), mg/Kg, ≤
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20
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As, mg/Kg, ≤
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3
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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 cleansing agent.
Use as foaming agent, foam stabilizing agent.
2. Household detergents
Use as cleansing agent.
3. Industrial cleaning agents
Use as cleansing agent.
4. Personal care products
Main ingredient or auxiliary ingredient for cleansing agent in personal care products.
5. Pets
Main ingredient or auxiliary ingredient for cleansing agent in shampoos and other pet products.
Manufacturers
Update: 20131018(1); 20160919(2);