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| CAS No.: | 56-55-3 | |
|---|---|---|
| Name: | 1,2-BENZANTHRACENE | |
| Molecular Structure: | ||
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| Formula: | C18H12 | |
| Molecular Weight: | 228.293 | |
| Synonyms: | 1,2-Benz[a]anthracene;1,2-Benzanthracene; 1,2-Benzanthrene; 1,2-Benzoanthracene;2,3-Benzophenanthrene; Benzanthracene; Benzanthrene; Benzo[a]anthracene;Benzo[b]phenanthrene; Benzoanthracene; NSC 30970; Tetraphene | |
| Density: | 1.19g/cm3 | |
| Melting Point: | 159.8 | |
| Boiling Point: | 437.6 | |
| Flash Point: | 209.1°C | |
| Solubility: | 0.0000014g/100mL | |
| Appearance: | solid | |
| Hazard Symbols: | Confirmed carcinogen. | |
| Risk Codes: | R45;R50/53; | |
| Safety: | Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data by skin contact and other routes. Poison by intravenous route. Human mutation data reported. It is found in oils, waxes, smoke, food, drugs. When heated to decomposition it emits acrid smoke and irritating fumes. | |
Analytical Methods: | For occupational chemical analysis use NIOSH: Polynuclear Aromatic Hydrocarbons (HPLC), 5506; (GC), 5515. |
|
| PSA: | 0.00000 | |
| LogP: | 5.14620 | |
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Chemistry
Molecular Formula: C18H12
Molar mass: 228.29 g/mol
EINECS: 200-280-6
Density: 1.19 g/cm3
Flash Point: 209.1 °C
Index of Refraction: 1.771
Boiling Point: 436.7 °C at 760 mmHg
Vapour Pressure: 2.02E-07 mmHg at 25°C
Melting point: 157-159 °C(lit.)
Storage temp: Approx 4°C
Appearance: Colorless leaflets or plates or coarse gold powder with a greenish-yellow fluorescence
Product categories: Aromatic Hydrocarbons (substituted) & Derivatives;Chemical Class;Alphabetic;Benzo(a)pyrene and other PAH;BA - BHEnvironmental Standards;Alpha Sort;Aromatics;Hydrocarbons;NeatsAnalytical Standards Semivolatiles;A-BAnalytical Standards
Structure of Benz[a]anthracene (56-55-3):
XLogP3-AA: 5.8
H-Bond Donor: 0
H-Bond Acceptor: 0
Systematic Name: Benzo[a]anthracene
SMILES: c34cc2ccc1ccccc1c2cc3cccc4
InChI: InChI=1/C18H12/c1-2-7-15-12-18-16(11-14(15)6-1)10-9-13-5-3-4-8-17(13)18/h1-12H
InChIKey: DXBHBZVCASKNBY-UHFFFAOYAM
Std. InChI: InChI=1S/C18H12/c1-2-7-15-12-18-16(11-14(15)6-1)10-9-13-5-3-4-8-17(13)18/h1-12H
Std. InChIKey: DXBHBZVCASKNBY-UHFFFAOYSA-N
Toxicity Data With Reference
| 1. | mma-sat 4 µg/plate | CRNGDP Carcinogenesis, 5 (1984),747. | ||
| 2. | msc-hmn:lym 9 µmol/L | DTESD7 Developments in Toxicology and Environmental Science, 10 (1982),277. | ||
| 3. | dni-hmn:oth 10 µmol/L | CNREA8 Cancer Research, 42 (1982),3676. | ||
| 4. | dnd-mus-skn 192 µmol/kg | CRNGDP Carcinogenesis, 5 (1984),231. | ||
| 5. | ivn-mus LDLo:10 mg/kg | JNCIAM Journal of the National Cancer Institute, 1 (1940),225. |
Carcinogenicity of Benz[a]anthracene (56-55-3) hasn't been listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65. You can see actual entry in RTECS for complete information.Mutagenicity: Ames-test: positive.
Consensus Reports
NTP 10th Report on Carcinogens. IARC Cancer Review: Group 2A IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man , 7 (1987),p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man , 32 (1983),p. 135.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man , 3 (1973),p. 45.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.
Safety Profile
Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data by skin contact and other routes. Poison by intravenous route. Human mutation data reported. It is found in oils, waxes, smoke, food, drugs. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: T.gif){kind=small}
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Risk Statements:
11: Highly Flammable
23: Toxic by inhalation
24: Toxic in contact with skin
25: Toxic if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
39: Danger of very serious irreversible effects
43: May cause sensitization by skin contact
65: Harmful: May cause lung damage if swallowed
67: Vapors may cause drowsiness and dizziness
Safety Statements:
23: Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
24: Avoid contact with skin
25: Avoid contact with eyes
36: Wear suitable protective clothing
37: Wear suitable gloves
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
53: Avoid exposure - obtain special instruction before use
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
Standards and Recommendations
ACGIH TLV: Suspected Human Carcinogen
Analytical Methods
For occupational chemical analysis use NIOSH: Polynuclear Aromatic Hydrocarbons (HPLC), 5506; (GC), 5515.
Specification
Benz[a]anthracene (56-55-3) also can be called Benzo(b)phenanthrene ; Benzo(a)anthracene ; 1,2-Benzanthracene ; Naphthanthracene ;and Benzanthracene .It is hazardous,so the first aid measures and others should be known.Such as: When on the skin: first,should flush skin with plenty of water immediatelyfor at least 15 minutes while removing contaminated clothing. Secondly,Get shoesmedical aid . Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.Then get medical aid soon.While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water,and get medical aid immediately.
In addition, Benz[a]anthracene (56-55-3) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials.And also prevent it to broken down into hazardous decomposition products: carbon dioxide, carbon monoxide.