Ammonium Myristate
Synonyms
Ammonium tetradecanoate;
Tetradecanoic acid, ammonium salt;
Myristic acid, ammonium salt;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Alkyl Carboxylate
>>>> Linear Alkyl Carboxylate
Chemical Numbering System
CAS: 16530-71-5
EINECS: 240-599-8
Molecular Formula & Molecular Weight
Molecular Formula: C14H30NO2; C14H28O2.H3N
Molecular Weight: 245.40
Structure
Properties
Appearance (1), white paste.
Solubility soluble in water. soluble in ethanol.
Stability stable. Under alkaline condition, ammonia is released.
Risk Paste form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, emulsifying, dispersing, foaming, solubilizing, wetting abilities. Nonresistant to hard water. Suitable for weak acid formulation system.
Synthesis
Myristic acid reacts with ammonia water, then obtain.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Paste |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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 |
|
Paste |
|
|
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 cleansing agent.
Use as emulsifying agent, dispersing agent.
2, Household detergents
Use as cleansing agent.
3, Pets
Use as cleansing agent, emulsifying agent.
Manufacturers
Update: 20131102(1); 20180102(2);