Cysteamine HBr
Synonyms
Cysteamine hydrobromide;
Ethanethiol, 2-amino-, hydrobromide;
Category
Non-ionic surfactant
> Amine
>> Alcohol Amine
>>> Thioalcohol Amine
Chemical Numbering System
CAS: 42954-15-4
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C2H8BrNS; C2H7N1S.HBr
Molecular Weight: 158.06
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable. Easily oxidized.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2, nitrogen oxides and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse intraperitoneal LD50 |
340mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent anti-oxidizing, antistatic, dispersing 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 antioxidant.
Use as antistatic agent.
Use as dispersing agent.
Use as radiation protective agent.
Manufacturers
References
[1]: ChemIDplus. 42954-15-4, Ethanethiol, 2-amino-, hydrobromide
Update: 20200725(1);