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| Name |
3,9-Dibromobenzanthrone |
EINECS | 201-391-2 | |
| CAS No. | 81-98-1 | Density | 1.836g/cm3 | |
| PSA | 17.07000 | LogP | 5.57620 | |
| Solubility | insoluble AUTOIGNITION | Melting Point |
255~256℃ |
|
| Formula | C17H8 Br2 O | Boiling Point | 535.5°C at 760 mmHg | |
| Molecular Weight | 388.058 | Flash Point | 178.2°C | |
| Transport Information | REM | Appearance | brown to green powder | |
| Safety | Risk Codes | N/A | ||
| Molecular Structure |
|
Hazard Symbols | UN NO. | |
| Synonyms |
3,9-Dibromo-7-oxo-7H-benz[de]anthracene;3,9-Dibromo-7H-benz[de]anthracen-7-one; 3,9-Dibromobenzanthrone; NSC 84191 |
3,9-Dibromobenzanthrone Chemical Properties
MF: C18H10Br2O
MW: 402.08
EINECS: 201-391-2
Density: 1.836 g/cm3
Flash Point: 178.2 °C
Melting Point: 255~256℃
Index of Refraction: 1.762
Enthalpy of Vaporization: 81.2 kJ/mol
Boiling Point: 535.5 °C at 760 mmHg
Vapour Pressure: 1.52E-11 mmHg at 25°C
Appearance: Yellow needle crystal
IUPAC Name: 3,9-Dibromobenzo[a]phenalen-7-one
Solubility: Soluble in chlorobenzene, trichloroacetic acid, nitric acid, insoluble in water and ethanol.
Synonyms: 2,7-Dibromomesobenzanthrone ; 3,9-Dibrombenzanthrone ; 3,9-Dibromo-7h-benz(de)anthracen-7-one ; 3,9-Dibromo-7h-benz[de]anthracen-7-on ; 6-bz-1-dibrombenzanthron
Following is the molecular structure of 3,9-Dibromo-7h-benz(de)anthracen-7-one (CAS NO.81-98-1):
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3,9-Dibromobenzanthrone Uses
3,9-Dibromo-7h-benz(de)anthracen-7-one (CAS NO.81-98-1) is used to restore the gray for the production of M, to restore the olive green T and other dye intermediates.
3,9-Dibromobenzanthrone Production
3,9-Dibromo-7h-benz(de)anthracen-7-one (CAS NO.81-98-1) is formed by benzene around the anthrone by the bromide. Consumption of raw materials fixed: benzene around the anthrone 764kg / t, bromine 782kg / t.
3,9-Dibromobenzanthrone Toxicity Data With Reference
| 1. | eye-rbt 500 mg/24H MLD | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,89. | ||
| 2. | ipr-rat LD50:4900 mg/kg | RPTOAN Russian Pharmacology and Toxicology. Translation of FATOAO. 40 (1977),137. | ||
| 3. | ipr-mus LD50:1410 mg/kg | RPTOAN Russian Pharmacology and Toxicology. Translation of FATOAO. 40 (1977),137. |
3,9-Dibromobenzanthrone Consensus Reports
Reported in EPA TSCA Inventory.
3,9-Dibromobenzanthrone Safety Profile
Moderately toxic by intraperitoneal route. An eye irritant. When heated to decomposition it emits toxic fumes of Br−.
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