Piloty’s Acid

• CAT Number: R012303
• CAS Number: 599-71-3
• Molecular Formula: C6H7NO3S
• Molecular Weight: 173.19
• Purity: ≥95%
• Storage: 2-8°C
• IUPAC Name: N-hydroxybenzenesulfonamide
• InChI: InChI=1S/C6H7NO3S/c8-7-11(9,10)6-4-2-1-3-5-6/h1-5,7-8H
• InChIKey: BRMDATNYMUMZLN-UHFFFAOYSA-N
• SMILES: C1=CC=C(C=C1)S(=O)(=O)NO

Piloty’s acid（Cat No.:R012303）, is a chemical compound also known as 2-Nitro-5-thiobenzoic acid. It belongs to the class of organic compounds known as nitrothiophenols. This compound features a nitro group (-NO2) and a thiol group (-SH) on a benzene ring. Piloty’s acid is used in analytical chemistry as a reagent for the detection and quantification of metals, particularly mercury ions (Hg2+), due to its high affinity for binding with them. It forms a distinctive yellow complex with mercury ions, making it a valuable tool in environmental analysis and the detection of mercury contamination in various samples.

Reference

1.Beckman, J.S., and Koppenol, W.H. Nitric oxide, superoxide, and peroxynitrite: The good, the bad, and the ugly. American Journal of Physiology 271, C1424-C1437 (1996).