Difference between revisions of "Gentian violet"
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aniline violet; crystal violet; CI 42555; hexamethyl-p-rosaniline chloride; Basic Violet ; Solvent Violet 9; Pigment Violet 39 (phosphomolybdic salt); violeta genciana (Esp.); violeta de genciana (Port.) | aniline violet; crystal violet; CI 42555; hexamethyl-p-rosaniline chloride; Basic Violet ; Solvent Violet 9; Pigment Violet 39 (phosphomolybdic salt); violeta genciana (Esp.); violeta de genciana (Port.) | ||
| − | == | + | == Risks == |
| + | |||
| + | * Toxic by ingestion (1 ounce may be lethal). | ||
| + | * Inhalation and contact cause irritation. | ||
| + | * CDH Fine Chemicals: [https://www.cdhfinechemical.com/images/product/msds/43_1677023466_GENTIANVIOLET-CASNO-548-62-9-MSDS.pdf SDS] | ||
| + | |||
| + | == Physical and Chemical Properties == | ||
Soluble in water, chloroform. Lightly soluble in ethanol, glycerol. Insoluble in ether. | Soluble in water, chloroform. Lightly soluble in ethanol, glycerol. Insoluble in ether. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 215 | + | | 215 C |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|} | |} | ||
| − | == | + | ==Resources and Citations== |
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| − | |||
| − | |||
| − | |||
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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 | ||
Latest revision as of 11:59, 27 August 2022
Description
A dark green, metallic powder that forms a deep violet aqueous solution. Gentian violet is a synthetic triphenylmethane dye. It used to color wood, Silk, Leather, and Paper. Gentian violet is also used in ballpoint inks, typewriter ribbons, printing inks, and as a biological stain and acid-base indicator.
Synonyms and Related Terms
aniline violet; crystal violet; CI 42555; hexamethyl-p-rosaniline chloride; Basic Violet ; Solvent Violet 9; Pigment Violet 39 (phosphomolybdic salt); violeta genciana (Esp.); violeta de genciana (Port.)
Risks
- Toxic by ingestion (1 ounce may be lethal).
- Inhalation and contact cause irritation.
- CDH Fine Chemicals: SDS
Physical and Chemical Properties
Soluble in water, chloroform. Lightly soluble in ethanol, glycerol. Insoluble in ether.
| Composition | C25H30ClN3 |
|---|---|
| CAS | 548-62-9 |
| Melting Point | 215 C |
| Molecular Weight | mol. wt. = 408 |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4401; CAS=8004-87-3
- Colour Index International online at www.colour-index.org Comment: CAS=548-62-9
- Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995 Comment: OMNIC: formula= C25H30ClN3, CAS= 548-62-9