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Cas Database |
| Name |
Benzo(a)pyrene-4,5-oxide |
EINECS | N/A |
| CAS No. | 37574-47-3 | Density | 1.39g/cm3 |
| PSA | N/A | LogP | N/A |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C20H12 O | Boiling Point | 518.9°Cat760mmHg |
| Molecular Weight | 268.315 | Flash Point | 249°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Questionable carcinogen with experimental tumorigenic and neoplastigenic data. Mutation data reported. When heated to decomposition it emits acrid and irritating fumes. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
(?à)-Benzo[a]pyrene 4,5-epoxide; (?à)-Benzo[a]pyrene 4,5-oxide;4,5-Dihydrobenzo[a]pyrene 4,5-oxide; Benzo[a]pyrene 4,5-epoxide; Benzo[a]pyrene4,5-oxide; Benzopyrene 4,5-epoxide |
Article Data | 5 |
Benzo(a)pyrene-4,5-oxide Chemical Properties
Molecular Structure of Benzo(a)pyrene-4,5-oxide (CAS NO. 37574-47-3):
.png)
IUPAC Name: benzo[b]pyrene-6,12-dione
Empirical Formula: C20H12O
Molecular Weight: 268.3087
Index of Refraction: 1.861
Surface Tension: 70.1 dyne/cm
Density: 1.39 g/cm3
Flash Point: 249 °C
Enthalpy of Vaporization: 76.16 kJ/mol
Boiling Point: 518.9 °C at 760 mmHg
Vapour Pressure: 2.37E-10 mmHg at 25°C
Classification Code: Tumor data;Mutation data;Noxae;Carcinogens
Benzo(a)pyrene-4,5-oxide Toxicity Data With Reference
| 1. | mmo-sat 250 ng/plate | ENMUDM Environmental Mutagenesis. 7 (1985),839. | ||
| 2. | mma-sat 1 µg/plate | ENMUDM Environmental Mutagenesis. 7 (1985),839. | ||
| 3. | mmo-esc 1 µg/plate | TCMUD8 Teratogenesis, Carcinogenesis, and Mutagenesis. 5 (1985),339. | ||
| 4. | dnr-bcs 1- µg/plate | CNREA8 Cancer Research. 45 (1985),2600. | ||
| 5. | dnd-mam:lym 800 nmol | CRNGDP Carcinogenesis. 3 (1982),267. |
Benzo(a)pyrene-4,5-oxide Consensus Reports
EPA Genetic Toxicology Program.
Benzo(a)pyrene-4,5-oxide Safety Profile
Questionable carcinogen with experimental tumorigenic and neoplastigenic data. Mutation data reported. When heated to decomposition it emits acrid and irritating fumes.
Benzo(a)pyrene-4,5-oxide Specification
Benzo(a)pyrene-4,5-oxide ,its CAS number is 37574-47-3,it can be called benzo(a)pyrene 4,5-epoxide ; Benzo[a]pyrene-4,5-oxide ; 3b,4a-dihydrobenzo[1,2]pyreno[4,5-b]oxirene and 4,5-epoxy-4,5-dihydrobenzo[a]pyrene .
Benzo(a)pyrene-4,5-oxide (CAS NO. 37574-47-3) is a toxic substance,with flammability, burning will produce toxic fumes,so it should be stored in cool and dry environment,dry powder,foam,sand, carbon dioxide,water mist can be used if something urgent happened.
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