Methylrosanilinium chloride
Synonyms
C.I. 42555;
C.I. Basic violet 3;
(4-(4,4'-Bis(dimethylamino)benzhydrylidene)cyclohexa-2,5-dien-1-ylidene)dimethylammonium chloride;
Category
Cationic surfactant
> Quaternary Ammonium Salt
>> Alicyclicamino Quaternary Ammonium Salt
Chemical Numbering System
CAS: 548-62-9
EINECS: 208-953-6
Molecular Formula & Molecular Weight
Molecular Formula: C25H30ClN3; C25H30N3.Cl
Molecular Weight: 407.98
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Physical - chemical properties
|
Water solubility, g/L |
4.0 (25°C)[1] |
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: 
Animal Toxicity
Table 1 Animal toxicity values
|
cat oral LDLo |
100mg/kg[2] |
|
dog oral LDLo |
1000mg/kg[2] |
|
guinea pig intraperitoneal LDLo |
10mg/kg[2] |
|
guinea pig oral LDLo |
100mg/kg[2] |
|
mouse intraperitoneal LD50 |
5.1mg/kg[2] |
|
mouse oral LD50 |
96mg/kg[2] |
|
mouse intravenous LDLo |
20mg/kg[2] |
|
rabbit intraduodenal LD50 |
160mg/kg[2] |
|
rabbit intraperitoneal LD50 |
5mg/kg[2] |
|
rabbit oral LD50 |
150mg/kg[2] |
|
rat intraperitoneal LD50 |
8.9mg/kg[2] |
|
rat oral LD50 |
420mg/kg[2] |
Reproductive effect[2].
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent masking, dyeing, antistatic, antibacterial, antimicrobial, preservative, emulsifying, 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, Product standards
(1), Chinese standards
(1a), Chinese Pharmacopoeia (2015 Edition) Methylrosanilinium Chloride
4, 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 antimicrobial agent, preservative.
Use as dye.
Use as antistatic agent.
Use as emulsifying agent, dispersing agent.
2, Medicine
Use as pharmaceutical ingredient (disinfectant and antiseptic ). (This section is for reference only, should be implemented according to local Pharmacopoeia.)
Manufacturers
References
[1]: HSDB. 548-62-9, Gentian Violet
[2]: ChemIDplus. 548-62-9, Gentian Violet
Update: 20140706(1); 20190602(2);