Diphenic anhydride
Also known as: Dibenz[c,e]oxepin-5,7-dione, Dibenzo[c,e]oxepine-5,7-dione, 2,2'-Biphenyldicarboxylic anhydride, 2,2'-Biphenyldicarboxylic acid anhydride, Diphenic acid anhydride, o-Diphenic anhydride, 2,2'-Diphenyldicarboxylic anhydride, biphenyl-2,2'-dicarboxylic anhydride, benzo[d][2]benzoxepine-5,7-dione, MFCD00004993, EINECS 227-950-0
Diphenic anhydride (CAS 6050-13-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8O3 and a molecular weight of 224.212 g/mol. Key properties include a melting point of 225-227 °C(lit.), a boiling point of 424.0±14.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 212.0±17.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6050-13-1
- Jingsj CID
- J-35524-8
- Molecular Formula
- C14H8O3
- Molecular Weight
- 224.212 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 225-227 °C(lit.) |
|---|---|
| Boiling Point | 424.0±14.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 212.0±17.3 °C |
| Exact Mass | 224.047348 |
| PSA | 47.28000 |
| LogP | 2.61 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.637 |
| Additional Property | decomposes |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 Diphenic anhydride?
The CAS number of Diphenic anhydride is 6050-13-1.
What are the molecular formula and molecular weight of Diphenic anhydride?
Diphenic anhydride has molecular formula C14H8O3 and molecular weight 224.212 g/mol.
Is Diphenic anhydride hazardous?
Diphenic anhydride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Diphenic anhydride?
For Diphenic anhydride, Upstream Products: Isobutyl vinyl ether, Phenanthrene-9,10-dione, Phenanthrene; Downstream Products: Acenaphthylene, 2'-(Hydroxymethyl)-[1,1'-biphenyl]-2-carboxylic acid, 9-Fluorenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenic anhydride (CAS 6050-13-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35524-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.