Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methanone,[3,7-bis(dimethylamino)-10H-phenothiazin-10-yl]phenyl-
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Purity: 98.0%
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1249-97-4

1249-97-4 structure

Name: Benzoyl Leucomethylene Blue
Chemical Name: Benzoyl Leuco Methylene Blue
CAS Number: 1249-97-4
Molecular Formula: C₂₃H₂₃N₃OS
Molecular Weight: 389.513
Create Date: 2018-10-01 17:37:18
Modify Date: 2025-08-26 00:01:38

Name	Benzoyl Leuco Methylene Blue
Synonyms	benzoyl leuco methylene blue [3,7-di(dimethylamino)-10H-phenothiazin-10-yl](phenyl)methanone [3,7-Bis(dimethylamino)-10H-phenothiazin-10-yl](phenyl)methanone Methanone, [3,7-bis(dimethylamino)-10H-phenothiazin-10-yl]phenyl- EINECS 215-005-5

Density	1.3±0.1 g/cm3
Boiling Point	589.3±50.0 °C at 760 mmHg
Melting Point	195ºC
Molecular Formula	C₂₃H₂₃N₃OS
Molecular Weight	389.513
Flash Point	310.2±30.1 °C
Exact Mass	389.156189
PSA	52.09000
LogP	4.83
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.696

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SN5449000

CHEMICAL NAME :: Phenothiazine, 10-benzoyl-3,7-bis(dimethylamino)-

CAS REGISTRY NUMBER :: 1249-97-4

LAST UPDATED :: 199706

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C23-H23-N3-O-S

MOLECULAR WEIGHT :: 389.55

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 4,47,1952

HS Code	2934300000

152071-32-4

98-88-4

1249-97-4

Literature: US2009/291943 A1, ; Page/Page column 5 ;

98-88-4

1249-97-4

Literature: DE113721 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 6, p. 509 Chemische Berichte, , vol. 33, p. 1568 Chem. Zentralbl., , vol. 71, # II p. 883 Journal of the American Chemical Society, , vol. 47, p. 2059

613-11-6

98-88-4

~59%

1249-97-4

Literature: Ayyangar, N. R.; Khanna, I. K. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 9 p. 763 - 766

152071-32-4

1249-97-4

Literature: Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, , vol. 20, # 9 p. 763 - 766

Precursor 3
152071-32-4 98-88-4 613-11-6
DownStream 0

HS Code	2934300000
Summary	2934300000. other compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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