Vat Blue 4B

Modify Date: 2024-01-02 14:48:49

Vat Blue 4B Structure
Vat Blue 4B structure
Common Name Vat Blue 4B
CAS Number 2475-31-2 Molecular Weight 577.84700
Density 2.313g/cm3 Boiling Point 563.4ºC at 760mmHg
Molecular Formula C16H6Br4N2O2 Melting Point N/A
MSDS Chinese USA Flash Point 294.5ºC

 Names

Name (2Z)-5,7-dibromo-2-(5,7-dibromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.313g/cm3
Boiling Point 563.4ºC at 760mmHg
Molecular Formula C16H6Br4N2O2
Molecular Weight 577.84700
Flash Point 294.5ºC
Exact Mass 573.71600
PSA 58.20000
LogP 6.14080
Vapour Pressure 1.02E-12mmHg at 25°C
Index of Refraction 1.762

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NM3259100
CHEMICAL NAME :
3H-Indol-3-one, 1,2-dihydro-5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3- oxo-2H-indol-2-yliden e)-
CAS REGISTRY NUMBER :
2475-31-2
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C16-H6-Br4-N2-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 27(8),54,1983 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
87 gm/kg/6W-I
TOXIC EFFECTS :
Blood - other changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 27(3),52,1983

 Safety Information

RTECS NM3259100
HS Code 2933990090

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5,5',7,7'-Tetrabromoindigo
Ciba Brilliant Blue BS
Tetrabromoindigo
Indigo 4B
5,5',7,7'-tetrabromoindigo red
Vat Blue 4B
Tetra Blue 2B
EINECS 219-598-1
Bromindigo 2BD
MFCD00049382
Durindone Blue 4B
Arlanone Blue 2B
Ciba Blue 2B
Bromindigo
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