Basic red 2
Synonyms
Phenazinium, 3,7-diamino-2,8-dimethyl-5-phenyl-, chloride (1:1);
CI 50240;
Category
Cationic surfactant
> Quaternary Ammonium Salt
>> Aromatic Heterocyclic Quaternary Ammonium Salt
Chemical Numbering System
CASRN: 477-73-6
EINECS: 207-518-8
Molecular Formula & Molecular Weight
Molecular Formula: C20H19ClN4; C20H19N4.Cl
Molecular Weight: 350.84
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, strong 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 (Rev.10) label:
Animal Toxicity
Table 1 Animal toxicity values
mouse intravenous LD50 |
24.02mg/kg[1] |
mouse oral LDLo |
1600mg/kg[1] |
rabbit intravenous LD50 |
26.94mg/kg[1] |
rat intravenous LD50 |
28.74mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent masking, coloring, antistatic, dispersing abilities. Azine dyes. Do not be used in personal care products.
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 dye.
Manufacturers
References
[1]: ChemIDplus. 477-73-6, C.I. Basic Red 2