Dimethyl stearamine hydrochloride
Synonyms
1-Octadecanamine, N,N-dimethyl-, hydrochloride;
N,N-Dimethyloctadecylamine hydrochloride;
Category
Cationic surfactant
> Amine Salt
>> Tertiary Amine Salt
>>> Aliphatic Tertiary Amine Salt
>>>> Mono-(Long-chain Linear Alkyl) Tertiary Amine Salt
Chemical Numbering System
CAS: 1613-17-8
EINECS: 216-559-0
Molecular Formula & Molecular Weight
Molecular Formula: C20H44ClN; C20H43N.HCl
Molecular Weight: 334.02
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble in water.
Stability stable. Under alkaline condition, amine precipitates.
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 label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse oral LD50 |
850mg/kg[1] |
|
rat oral LD50 |
200mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, antistatic, solubilizing, lubricating, anticorrosive abilities.
Synthesis
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
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 antistatic agent.
Use as dispersing agent, emulsifying agent.
Use as corrosion inhibitor, lubricant.
Manufacturers
References
[1]: ChemIDplus. 1613-17-8, 1-Octadecanamine, N,N-dimethyl-, hydrochloride
Update: 20130924(1); 20200405(2);