Difference between revisions of "Hofmann's violet"
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Hoffman's violet; triethylrosaniline hydrochloride; CI 42530 | Hoffman's violet; triethylrosaniline hydrochloride; CI 42530 | ||
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Soluble in water. | Soluble in water. | ||
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
| − | * Website | + | * Website: www.straw.com/sig/dyehist |
* F. Crace-Calvert, ''Dyeing and Calico Printing'', Palmer & Howe, London, 1876 | * F. Crace-Calvert, ''Dyeing and Calico Printing'', Palmer & Howe, London, 1876 | ||
Revision as of 14:14, 7 September 2022
Description
A water-soluble green powder used as a purple dye in inks and textiles. Hofmann's violet was developed by Hofmann in 1862. It is composed of triethylrosaniline hydrochloride. Hofmann's violet produces a deep rich color that is not lightfast.
Synonyms and Related Terms
Hoffman's violet; triethylrosaniline hydrochloride; CI 42530
Physical and Chemical Properties
Soluble in water.
| Composition | C26H32N3HCl |
|---|---|
| Refractive Index | 2.20 |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Website: www.straw.com/sig/dyehist
- F. Crace-Calvert, Dyeing and Calico Printing, Palmer & Howe, London, 1876
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=2.20