Hexadecanoic Acid Ammonium Salt
Time: 2012-10-02 16:37:15
Hexadecanoic Acid Ammonium Salt
Synonyms
Palmitic acid, ammonium salt;
Ammonium hexadecanoate;
Ammonium palmitate;
Category
Anionic Surfactant
>> Carboxylate
>> Chain Carboxylate
>> Alkyl Carboxylate
>> Linear Alkyl Carboxylate
Chemical Numbering System
CASRN593-26-0
EINECS209-785-6
Molecular Formula & Molecular Weight
Molecular Formula: C16H35NO2; C16H32O2.H3N
Molecular Weight: 273.45
Structure
 
Properties
Appearance    (1), white solid.
Solubility    slightly soluble in water. soluble in hot ethanol.
Stability    stable. Under alkaline condition, ammonia is released.
Risk    Solid 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 (Rev.6) label:  
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent lubricating, cleansing, emulsifying, dispersing, foaming, solubilizing abilities. Nonresistant to hard water. Suitable for weak acid formulation system.
Synthesis
Palmitic acid ethanol solution reacts with ammonia water, then obtain.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Solid
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
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.
Major Uses
1. Typical applications
Use as lubricant.
Use as cleansing agent.
Use as emulsifying agent, dispersing agent.
2. Household detergents
Use as cleansing agent.
3. Machinery industry
Lubricant in metal processing, machinery.
4. Powder forming
Lubricant, release agent in powder forming.
5. Textile
Waterproofing agent in textile.
6. Pets
Use as cleansing agent, emulsifying agent.
Manufacturers
 
Update: 20131102(1); 20171225(2);