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CAS No 531-55-5 , dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium

  • Name: dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium
  • Synonyms: AZUR I; Azure B eosinate; Trimethylthionine chloride; Methyleneazure;Azure I;chloride;dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium; C.I. 52010; Methylene azure B; 531-55-5;
  • CAS Registry Number:
  • Transport: OTH
  • Melting Point: 205-210 ºC (DEC.)
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: g/cm3
  • Safety Statements: S22;S24/25
  • Hazard Symbols: Not regulated UN NO.
  • Flash Point: °C
  • EINECS: 208-511-2
  • Molecular Weight: 305.82564
  • InchiKey: DNDJEIWCTMMZBX-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H15N3S.ClH/c1-16-10-4-6-12-14(8-10)19-15-9-11(18(2)3)5-7-13
    (15)17-12;/h4-9H,1-3H3;1H
  • Risk Statements: S22;S24/25
  • Molecular Formula: C15H16ClN3S
  • Molecular Structure:CAS No:531-55-5 dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium

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531-55-5 AZURE I

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References of dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium
Title: Azure B
CAS Registry Number: 531-55-5
CAS Name: 3-(Dimethylamino)-7-(methylamino)phenothiazin-5-ium chloride
Synonyms: 7-(dimethylamino)-3-(methylimino)-3H-phenothiazine hydrochloride; 3-methylamino-7-dimethylaminophenazathonium chloride; trimethyldiaminophenazathonium chloride; trimethylthionine chloride; methylene azure B; C.I. 52010
Molecular Formula: C15H16ClN3S
Molecular Weight: 305.83
Percent Composition: C 58.91%, H 5.27%, Cl 11.59%, N 13.74%, S 10.48%
Literature References: One of the main constituents of methylene azure. Prepn: Bernthsen, Ann. 230, 169 (1885); Kehrmann, Ber. 39, 1804 (1906); Kehrmann, Duttenh?fer, ibid. 925, 1403; Kehrmann et al., ibid. 46, 2137 (1913); MacNeal, Killian, J. Am. Chem. Soc. 48, 740 (1926). Review: H. J. Conn's Biological Stains, R. D. Lillie, Ed. (Williams & Wilkins, Baltimore, 9th ed., 1977) pp 421-423, 603-604. See also: Colour Index vol. 4 (3rd ed., 1971) p 4470.
Properties: Green glistening crystals or dark green powder. Sol in water (blue soln); sparingly sol in alc. Absorption max: 648-655 nm (3 ml of a soln of 50 mg in 250 ml H2O dil to 200 ml; read in a Beckman spectrophotometer 1 cm cell).
Absorption maximum: Absorption max: 648-655 nm (3 ml of a soln of 50 mg in 250 ml H2O dil to 200 ml; read in a Beckman spectrophotometer 1 cm cell)
Use: Biological stain.