2,2',4,4'-Tetrahydroxybenzophenone

Also known as: Benzophenone-2, BP-2, Bis(2,4-dihydroxyphenyl)methanone, Uvinul D-50, Sumisorb 150, Seesorb 106, Methanone, bis(2,4-dihydroxyphenyl)-

2,2',4,4'-Tetrahydroxybenzophenone (CAS 131-55-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H10O5 and a molecular weight of 246.215 g/mol. Key properties include a melting point of 198-200 °C(lit.), a boiling point of 531.2±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 289.1±19.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 131-55-5
Jingsj CID: J-32760-8
Molecular Formula: C₁₃H₁₀O₅
Molecular Weight: 246.215 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	198-200 °C(lit.)
Boiling Point	531.2±25.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	289.1±19.7 °C
Exact Mass	246.052826
PSA	97.99000
LogP	3.16
Vapor Pressure	0.0±1.5 mmHg at 25°C
Refractive Index	1.718

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed
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 2,2',4,4'-Tetrahydroxybenzophenone?

The CAS number of 2,2',4,4'-Tetrahydroxybenzophenone is 131-55-5.

What are the molecular formula and molecular weight of 2,2',4,4'-Tetrahydroxybenzophenone?

2,2',4,4'-Tetrahydroxybenzophenone has molecular formula C13H10O5 and molecular weight 246.215 g/mol.

Is 2,2',4,4'-Tetrahydroxybenzophenone hazardous?

2,2',4,4'-Tetrahydroxybenzophenone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 2,2',4,4'-Tetrahydroxybenzophenone?

For 2,2',4,4'-Tetrahydroxybenzophenone, Upstream Products: 2,4-Dihydroxybenzoic acid, Resorcinol, 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone; Downstream Products: 3,6-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9H-xanthen-9-one.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,2',4,4'-Tetrahydroxybenzophenone (CAS 131-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32760-8 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.