Difference between revisions of "Dibromoindigo"
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== Description == | == Description == | ||
| − | A synthetic coal tar dye of the same composition (6,6'-dibromoindigo) as murex purple. Dibromoindigo was developed in 1904 causing the expensive natural product to became obsolete. | + | A synthetic coal tar dye of the same composition (6,6'-dibromoindigo) as [[murex purple]]. Dibromoindigo was developed in 1904 causing the expensive natural product to became obsolete. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:12, 2 August 2013
Description
A synthetic coal tar dye of the same composition (6,6'-dibromoindigo) as Murex purple. Dibromoindigo was developed in 1904 causing the expensive natural product to became obsolete.
Synonyms and Related Terms
6,6'-dibromoindigo; CI 75800
Other Properties
Insoluble in organic solvents and water. Unaffected by alkalis. The color is lightfast except when exposed to nitric acid or chlorine bleaches.
| CAS | 17670-06-3 |
|---|
Authority
- Helmut Schweppe, Schweppe color collection index and information book Comment: CI 75800, ammonia-sodium dithionite vat or sodium hydroxide-sodium dithionite vat