ChemicalBook--->CAS DataBase List--->1249-97-4

1249-97-4

1249-97-4 Structure

1249-97-4 Structure
IdentificationBack Directory
[Name]

BENZOYL LEUCO METHYLENE BLUE
[CAS]

1249-97-4
[Synonyms]

BLMB
ai3-17179
BENZOYL LEUCO METHYLENE BLUE
Benzoyl Leuco Methylene Blue(BLMB)
10-benzoyl-3,7-bis(dimethylamino)-phenothiazin
10-benzoyl-3,7-bis(dimethylamino)phenothiazine
3,7-bis(Dimethylamino)-10-benzoylphenothiazine
[3,7-bis(dimethylamino)phenothiazin-10-yl]-phenylmethanone
[3,7-bis(dimethylamino)phenothiazin-10-yl]-phenyl-methanone
10-benzoyl-n,n,n’,n’-tetramethyl-10h-phenothiazine-7-diamine
7-diamine,10-benzoyl-N,N,N’,N’-tetramethyl-10H-Phenothiazine-3
(3,7-bis(dimethylamino)-10H-phenothiazin-10-yl)(phenyl)methanone
[EINECS(EC#)]

215-005-5
[Molecular Formula]

C23H23N3OS
[MDL Number]

MFCD00059153
[MOL File]

1249-97-4.mol
[Molecular Weight]

389.51
Chemical PropertiesBack Directory
[Melting point ]

198°C
[Boiling point ]

589.3±50.0 °C(Predicted)
[density ]

1.258±0.06 g/cm3(Predicted)
[solubility ]

very faint turbidity in hot Toluene
[form ]

powder to crystal
[pka]

5.80±0.20(Predicted)
[color ]

White to Light yellow to Green
[EPA Substance Registry System]

10H-Phenothiazine-3,7-diamine, 10-benzoyl-N,N,N',N'-tetramethyl- (1249-97-4)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[RTECS ]

SN5449000
[TSCA ]

TSCA listed
[HS Code ]

29349990
[Toxicity]

mouse,LD,intraperitoneal,> 500mg/kg (500mg/kg),"Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 4, Pg. 47, 1952.
Hazard InformationBack Directory
[Uses]

10-Benzoylleucomethylene Blue was used as a color-forming agent in colorless copying paper. It is also recommended for documents to make them safe against forgery.
[Preparation]

10-Benzoylleucomethylene Blue[1249-97-4] is obtained by reduction of Methylene Blue with hydrosulfite in aqueous alkaline medium, followed by benzoylation and then extraction of the crude product with toluene.
[Mechanism of action]

The mechanism of color-forming decomposition of N-benzoylleucomethylene blue during the copying process has been studied; the reaction is induced by photons and proceeds via free radicals.
Spectrum DetailBack Directory
[Spectrum Detail]

BENZOYL LEUCO METHYLENE BLUE(1249-97-4)MS
BENZOYL LEUCO METHYLENE BLUE(1249-97-4)IR1
BENZOYL LEUCO METHYLENE BLUE(1249-97-4)IR2
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