Benzenesulfohydroxamic Acid

苯磺酰异羟肟酸

Also known as: N-Hydroxybenzenesulfonamide, Benzenesulfonamide, N-hydroxy-, Piloty's acid, EINECS 209-973-8, MFCD00025013, NSC 45357

Benzenesulfohydroxamic Acid (CAS 599-71-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7NO3S and a molecular weight of 173.190 g/mol. It is also known as N-Hydroxybenzenesulfonamide, Benzenesulfonamide, N-hydroxy- and Piloty's acid. Key properties include a melting point of 122-125 °C, a boiling point of 351.5±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 166.4±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
599-71-3
Jingsj CID
J-27128-0
Molecular Formula
C6H7NO3S
Chinese Name
苯磺酰异羟肟酸
Molecular Weight
173.190 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point122-125 °C
Boiling Point351.5±25.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point166.4±23.2 °C

Frequently Asked Questions

What is the CAS number of Benzenesulfohydroxamic Acid?

The CAS number of Benzenesulfohydroxamic Acid is 599-71-3.

What are the molecular formula and molecular weight of Benzenesulfohydroxamic Acid?

Benzenesulfohydroxamic Acid has molecular formula C6H7NO3S and molecular weight 173.190 g/mol.

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

Last updated:

How to cite: Jingsj. "Benzenesulfohydroxamic Acid (CAS 599-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27128-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.