Benz(a)anthracene
Also known as: 1,2-Benz[a]anthracene, 1,2-Benzanthracene, Benz[a]anthracene, Benzanthracene, Benzo[b]phenanthrene, EINECS 200-280-6, MFCD00003599, Tetraphene, tetraphene
Benz(a)anthracene (CAS 56-55-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H12 and a molecular weight of 228.288 g/mol. Key properties include a melting point of 157-159 °C(lit.), a boiling point of 436.7±12.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 209.1±13.7 °C. It is classified under GHS with signal word Danger and hazard statements H350 — May cause cancer and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56-55-3
- Jingsj CID
- J-1373034-1
- Molecular Formula
- C18H12
- Molecular Weight
- 228.288 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 157-159 °C(lit.) |
|---|---|
| Boiling Point | 436.7±12.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 209.1±13.7 °C |
| Exact Mass | 228.093903 |
| LogP | 5.91 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.771 |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
GHS Safety & Compliance
- H350 — May cause cancer
- H410 — Very toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of Benz(a)anthracene?
The CAS number of Benz(a)anthracene is 56-55-3.
What are the molecular formula and molecular weight of Benz(a)anthracene?
Benz(a)anthracene has molecular formula C18H12 and molecular weight 228.288 g/mol.
Is Benz(a)anthracene hazardous?
Benz(a)anthracene has GHS signal word Danger and hazard statements H350 — May cause cancer; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of Benz(a)anthracene?
For Benz(a)anthracene, Upstream Products: Benz[a]anthracene-7,12-dione, 2-(1-Naphthoyl)benzoic acid; Downstream Products: 7-Bromobenz[a]anthracene, Benz[a]anthracene-7,12-dione, o-Phthalaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benz(a)anthracene (CAS 56-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1373034-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.