6-(Dimethylamino)-3,3-bis(4-(dimethylamino)phenyl)-1(3H)-isobenzofuranone
Synonyms
Crystal Violet Lactone;
6-Dimethylamino-3,3-bis(4-dimethylaminophenyl)phthalide;
1(3H)-Isobenzofuranone, 6-(dimethylamino)-3,3-bis(4-(dimethylamino)phenyl)-;
Category
Non-ionic surfactant
> Amine
>> Aromatic Amine
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Chemical Numbering System
CAS: 1552-42-7
EINECS: 216-293-5
Molecular Formula & Molecular Weight
Molecular Formula: C26H29N3O2
Molecular Weight: 415.53
Structure
Properties
Appearance (1), solid.
Solubility insoluble 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 masking, dyeing, dispersing abilities. Colorless dye. Heat and pressure sensitive dye. After the lactone ring is opened, develops color.
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