2,3,4-Trihydroxybenzophenone
Also known as: 2,3,4-THBP, Alizarin Yellow A, Gallobenzophenone, Phenyl(2,3,4-trihydroxyphenyl)methanone, Methanone, phenyl(2,3,4-trihydroxyphenyl)-, 4-Benzoylpyrogallol
2,3,4-Trihydroxybenzophenone (CAS 1143-72-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H10O4 and a molecular weight of 230.216 g/mol. Key properties include a melting point of 139-141°C, a boiling point of 439.7±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 233.9±25.2 °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.
- 1143-72-2
- Jingsj CID
- J-5127-5
- Molecular Formula
- C13H10O4
- Molecular Weight
- 230.216 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 139-141°C |
|---|---|
| Boiling Point | 439.7±45.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 233.9±25.2 °C |
| Exact Mass | 230.057907 |
| PSA | 77.76000 |
| LogP | 3.01 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.682 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2914501900 |
|---|---|
| Summary | 2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,3,4-Trihydroxybenzophenone?
The CAS number of 2,3,4-Trihydroxybenzophenone is 1143-72-2.
What are the molecular formula and molecular weight of 2,3,4-Trihydroxybenzophenone?
2,3,4-Trihydroxybenzophenone has molecular formula C13H10O4 and molecular weight 230.216 g/mol.
Is 2,3,4-Trihydroxybenzophenone hazardous?
2,3,4-Trihydroxybenzophenone 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 2,3,4-Trihydroxybenzophenone?
For 2,3,4-Trihydroxybenzophenone, Upstream Products: benzoic acid, Pyrogallol, 2-Fluorobenzoyl chloride; Downstream Products: 2,3,4-Trihydroxydiphenylmethane, Benzhydrol, Benzophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,4-Trihydroxybenzophenone (CAS 1143-72-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5127-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.