Difference between revisions of "Gentian violet"

Latest revision as of 11:59, 27 August 2022

Absorption and fluorescence emission spectra

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.

Absorption spectrum

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

@@ Line 2: / Line 2: @@
 == 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, [http://cameo.mfa.org/materials/fullrecord.asp?name=silk silk], [http://cameo.mfa.org/materials/fullrecord.asp?name=leather leather], and [http://cameo.mfa.org/materials/fullrecord.asp?name=paper paper]. Gentian violet is also used in [http://cameo.mfa.org/materials/fullrecord.asp?name=ballpoint%20ink ballpoint inks], typewriter ribbons, [http://cameo.mfa.org/materials/fullrecord.asp?name=printing%20ink printing inks], and as a biological stain and acid-base indicator.
+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 ink|ballpoint inks]], typewriter ribbons, [[printing ink|printing inks]], and as a biological stain and acid-base indicator.
 [[File:Crystal.violet_H2O_abs.ems.jpg|thumb|Absorption spectrum]]
 == 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.)
-== Other Properties ==
+== 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.
@@ Line 22: / Line 29: @@
 |-
 ! scope="row"| Melting Point
-| 215
+| 215 C
 |-
 ! scope="row"| Molecular Weight
@@ Line 28: / Line 35: @@
 |}
-== Hazards and Safety ==
+==Resources and Citations==
-Toxic by ingestion (1 ounce may be lethal).  Inhalation and contact cause irritation.
-Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/c5720.htm MSDS]
-== Authority ==
-* Richard S. Lewis, 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
 * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 4401; CAS=8004-87-3