4-(Methylsulfonyl)-2-nitroaniline

2-硝基-4-甲砜基苯胺

Also known as: 4-mesyl-2-nitroaniline, 4-methanesulfonyl-2-nitroaniline, 4-methylsulfonyl-2-nitroaniline, 4-methylsulphonyl-2-nitroaniline, 2-nitro-4-methylsulphonylaniline, 1-amino-4-methylsulphonyl-2-nitrobenzene, Benzenamine, 4-(methylsulfonyl)-2-nitro-, 4-amino-3-nitrophenyl methyl sulfone

4-(Methylsulfonyl)-2-nitroaniline (CAS 21731-56-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H8N2O4S and a molecular weight of 216.214 g/mol. It is also known as 4-mesyl-2-nitroaniline, 4-methanesulfonyl-2-nitroaniline and 4-methylsulfonyl-2-nitroaniline. Key properties include a melting point of 200-202ºC, a boiling point of 463.3±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 234.0±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

21731-56-6

Jingsj CID

J-1518677-5

Molecular Formula

C₇H₈N₂O₄S

Chinese Name

2-硝基-4-甲砜基苯胺

Molecular Weight

216.214 g/mol

Category

Organic Bases

Last updated

8/21/2026