| Identification | Back Directory | [Name]
5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt | [CAS]
3875-71-6 | [Synonyms]
C.I.73596
Kambosol Violet IBBF
Solubilised Vat Violet 5
C.I.Solubilised Vat Violet 5
C.I.Solubilised Vat Violet 5 :C.I.73596
5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt | [Molecular Formula]
C16H4Cl5NNa2O8S3 | [MOL File]
3875-71-6.mol | [Molecular Weight]
657.644 |
| Hazard Information | Back Directory | [Preparation]
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment ?C.I. Vat Violet 5 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing ?C.I. Vat Violet 5. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out. | [Properties and Applications]
blue light purple. Soluble in water for purple.
|
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
|
Fading
|
Stain
|
|
ISO
|
3-4
|
4-5
|
5-6
|
4
|
3-4
|
|
|
|
|
|