Leucomalachite green

Synonyms

4,4'-(Phenylmethylene)bis(N,N-dimethylbenzenamine); 4,4'-Benzylidene bis(N,N-dimethylaniline); 4,4'-Bis(N,N-dimethylaminophenyl)phenylmethane; 4,4'-Bis(dimethylamino)triphenylmethane; Aniline, 4,4'-benzylidenebis(N,N-dimethyl-; Bis(4,4'-(dimethylamino)phenyl)phenyl methane; Bis(p-(N,N-dimethylamino)phenyl)phenylmethane; Bis(p-dimethylaminophenyl)phenylmethane; C.I. Basic Green 4, leuco base; Leucomalachite green; Malachite green leuco; Malachite green leuco base; Tetramethyldiaminotriphenylmethane; p,p'-Benzylidenebis(N,N-dimethylaniline); Benzenamine, 4,4'-(phenylmethylene)bis(N,N-dimethyl-; N,N,N',N'-Tetramethyl-4,4'-benzylidenedianiline; [ChemIDplus]

Category

Di- and Triaryl Dyes

Description

Reduced form of malachite green; [Merck Index]

Sources/Uses

Used to dye silk, wool, jute, leather, and cotton (after mordanting); Also used as a biological stain, reagent, pH indicator, fungicide, and parasiticide; [Merck Index]

Comments

Toxic by ingestion; Do not breathe dust; A skin and eye irritant; [MSDSonline]

Biomedical References

Explanatory Notes

mp = 100-102 deg C; [MSDSonline]

will not burn

Possible (2b)

Processes

Industrial Processes with risk of exposure:

• Textiles (Printing, Dyeing, or Finishing)