4-Hydroxy-N-phenylbenzenesulfonamide

Also known as: 4-HYDROXY-N-PHENYLBENZENE SULPHONAMIDE, 4-Hydroxy-N-phenylbenzene sulphonamide, 4-Hydroxybenzensulfone Anilide, P-hydroxybenzene sulfonyl anilide, N-(Phenyl)-1-phenol-4-sulfonamide, 4-Hydroxybenzensulfoneanilide, N-phenyl-4-hydroxybenzenesulfonamide, 4-Hydroxy-benzolsulfonsaeure-anilid, Phenol-sulfonsaeure-(4)-anilid, p-hydroxy-N-phenylbenzenesulfonamide, 4-hydroxy-benzenesulfonic acid anilide, Benzenesulfonamide, 4-hydroxy-N-phenyl-

4-Hydroxy-N-phenylbenzenesulfonamide (CAS 161356-05-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H11NO3S and a molecular weight of 249.286 g/mol. Key properties include a melting point of 135-137 °C, a boiling point of 440.6±47.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 220.3±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 161356-05-4
Jingsj CID: J-1132222-8
Molecular Formula: C₁₂H₁₁NO₃S
Molecular Weight: 249.286 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	135-137 °C
Boiling Point	440.6±47.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	220.3±29.3 °C
Exact Mass	249.045959
PSA	74.78000
LogP	2.31
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.662

Customs & Trade Information

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-N-phenylbenzenesulfonamide?

The CAS number of 4-Hydroxy-N-phenylbenzenesulfonamide is 161356-05-4.

What are the molecular formula and molecular weight of 4-Hydroxy-N-phenylbenzenesulfonamide?

4-Hydroxy-N-phenylbenzenesulfonamide has molecular formula C12H11NO3S and molecular weight 249.286 g/mol.

What are the upstream and downstream products of 4-Hydroxy-N-phenylbenzenesulfonamide?

For 4-Hydroxy-N-phenylbenzenesulfonamide, Upstream Products: 4-Hydroxybenzenesulfonyl chloride.

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. "4-Hydroxy-N-phenylbenzenesulfonamide (CAS 161356-05-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1132222-8 (accessed 2026-11-09).

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