Malachite green oxalate

Synonyms

Malachite Green Oxalate; Ammonium, (4-(p-(dimethylamino)-alpha-phenylbenzylidene)-2,5-cyclohexadien-1-ylidene)-dimethyl-, oxalate (2:1), oxalate (1:1); Bis((4-(4-(dimethylamino)benzhydrylidene)cyclohexa-2,5-dien-1-ylidene)dimethylammonium) oxalate, dioxalate; Methanaminium, N-(4-((4-(dimethylamino)phenyl)phenylmethylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, ethanedioate, ethanedioate (2:2:1); [ChemIDplus] N,N,N′,N′-Tetramethyl-4,4′-diaminotriphenylcarbenium oxalate; Basic Green 4; [Sigma-Aldrich MSDS]

Category

Di- and Triaryl Dyes

Description

Solid; [Sigma-Aldrich MSDS]

Sources/Uses

Used for dyeing silk, wool, jute, leather, and cotton; Also used as a biological stain, reagent, and acid-base indicator; [Merck Index]

Comments

A severe eye irritant; Causes changes in motor activity and diarrhea in oral lethal-dose studies of rats; [RTECS] An irritant that may cause serious eye injury; Harmful by ingestion; Possible reproductive toxicant; [Sigma-Aldrich MSDS] See "Malachite Green."

Biomedical References

Processes

Industrial Processes with risk of exposure:

• Leather Tanning and Processing
• Textiles (Printing, Dyeing, or Finishing)