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Substance Name: Toluidine Green
RN: 4430-16-4

Molecular Formula

  • C28-H22-N2-O10-S2.2Na

Molecular Weight

  • 654.582
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Names and Synonyms

Results Name

  • Toluidine Green


  • 2,2'-((9,10-Dihydro-5,8-dihydroxy-9,10-dioxo-1,4-anthracenediyl)diimino)bis(5-methylbenzenesulfonic acid), disodium salt
  • Acid Green Anthraquinone 2Zh
  • Alizarine Brilliant Green 5G
  • Alizarine Cyanine Green 5G
  • Alizarine viridine
  • C.I. 62560
  • C.I. Acid Green 41
  • Chrome Anthraquinone Green 2Zh
  • Chrome Green Anthraquinone 2Zh
  • EINECS 224-617-1
  • Kayaku Alizarine Cyanine Green 5G
  • Kayanol Cyanine Green 5G
  • m-Toluenesulfonic acid, 6,6'-(5,8-dihydroxy-1,4-anthraquinonylenediimino)di-, disodium salt
  • NSC 327873
  • Suminol Milling Cyanine Green 6G
  • Telon Fast Green 5G
  • Toluidine Green
  • Vondamol Fast Green 2GL

Systematic Names

  • Benzenesulfonic acid, 2,2'-((9,10-dihydro-5,8-dihydroxy-9,10-dioxo-1,4-anthracenediyl)diimino)bis(5-methyl-, disodium salt
  • Benzenesulfonic acid, 2,2'-((9,10-dihydro-5,8-dihydroxy-9,10-dioxo-1,4-anthracenediyl)diimino)bis(5-methyl-, sodium salt (1:2)
  • Disodium 2,2'-(5,8-dihydroxy-9,10-dioxoanthracene-1,4-diyldiimino)bis(5-methylbenzenesulphonate)

Registry Numbers

CAS Registry Number

  • 4430-16-4

Other Registry Number

  • 63309-93-3

System Generated Number

  • 0004430164

Molecular Formulas

Molecular Formula

  • C28-H22-N2-O10-S2.2Na

Molecular Formula Fragments

  • C28-H22-N2-O10-S2
  • Na

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 6500mg/kg (6500mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984.
rat LD50 oral > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984.