Benzoxanthene anhydride
Also known as: 1H,3H-2-Benzopyrano[6,5,4-mna]xanthene-1,3-dione, 3,4-Benzoxanthenedicarboxylic anhydride, benzo<k,l>xanthene-3,4-dicarboxylic anhydride, MFCD00410179
Benzoxanthene anhydride (CAS 36310-05-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H8O4 and a molecular weight of 288.25400 g/mol. Key properties include a melting point of >300ºC(lit.), a boiling point of 562.4ºC at 760 mmHg, a density of 1.544g/cm3 and a flash point of 254.1ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 36310-05-1
- Jingsj CID
- J-47593-4
- Molecular Formula
- C18H8O4
- Molecular Weight
- 288.25400 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC(lit.) |
|---|---|
| Boiling Point | 562.4ºC at 760 mmHg |
| Density | 1.544g/cm3 |
| Flash Point | 254.1ºC |
| Exact Mass | 288.04200 |
| PSA | 60.42000 |
| LogP | 3.64360 |
| Refractive Index | 1.776 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Benzoxanthene anhydride?
The CAS number of Benzoxanthene anhydride is 36310-05-1.
What are the molecular formula and molecular weight of Benzoxanthene anhydride?
Benzoxanthene anhydride has molecular formula C18H8O4 and molecular weight 288.25400 g/mol.
Is Benzoxanthene anhydride hazardous?
Benzoxanthene anhydride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Benzoxanthene anhydride?
For Benzoxanthene anhydride, Upstream Products: 4-Bromo-1,8-naphthalic anhydride, 5-Bromoacenaphthene, 2-Nitrophenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzoxanthene anhydride (CAS 36310-05-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47593-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.