Methylene green

CAS Registry Number®

2679-01-8
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CAS Name

Methylene green

Molecular Formula

C16H17N4O2S.Cl

Cite this Page

Methylene green.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=2679-01-8 (retrieved 2022-08-17) (CAS RN: 2679-01-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H17N4O2S.ClH/c1-18(2)10-5-6-11-14(9-10)23-16-12(17-11)7-8-13(19(3)4)15(16)20(21)22;/h5-9H,1-4H3;1H/q+1;/p-1

InChIKey

InChIKey=YYGBVRCTHASBKD-UHFFFAOYSA-M

SMILES

N(=O)(=O)C=1C2=C(N=C3C(=[S+]2)C=C(N(C)C)C=C3)C=CC1N(C)C.[Cl-]

Canonical SMILES

[Cl-].O=N(=O)C=1C2=[S+]C3=CC(=CC=C3N=C2C=CC1N(C)C)N(C)C

Other Names for this Substance

  • Phenothiazin-5-ium, 3,7-bis(dimethylamino)-4-nitro-, chloride (1:1)
  • Methylene green
  • Phenothiazin-5-ium, 3,7-bis(dimethylamino)-4-nitro-, chloride
  • C.I. Basic Green 5
  • [7-(Dimethylamino)-6-nitro-3H-phenothiazin-3-ylidene]dimethylammonium chloride

Deleted or Replaced CAS Registry Numbers

97835-59-1, 430434-32-5