HC Brown No. 2
Synonyms
3-((4-((Diamino(phenylazo)phenyl)azo)-m-tolyl)azo)-N,N,N-trimethylanilinium chloride;
Benzenaminium, 3-((4-((diamino(phenylazo)phenyl)azo)-2-methylphenyl)azo)-N,N,N-trimethyl-, chloride;
Category
Cationic surfactant
> Quaternary Ammonium Salt
>> Arylamino Quaternary Ammonium Salt
Chemical Numbering System
CAS: 83803-99-0
EINECS: 280-920-9
Molecular Formula & Molecular Weight
Molecular Formula: C28H30ClN9; C28H30N9.Cl
Molecular Weight: 528.05
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble in water.
Stability stable.
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: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antistatic, emulsifying, dispersing, antimicrobial, masking, dyeing abilities. Not to be used in personal care products.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
85.0 |
Test Methods
(1), Actives
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 dye.
Manufacturers