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2-Amino-5-nitrobenzenesulfonic acid

Also known as: 4-Nitroaniline-2-sulfonic acid, 4-Nitro-2-sulfoaniline, p-Nitroaniline-2-sulfonic acid, p-Nitroaniline-o-sulfonic acid, para Nitro aniline ortho sulphonic acid, Benzenesulfonic acid, 2-amino-5-nitro-, 2-amino-5-nitrobenzenesulphonic acid, 4-NITROANILINE-2-SULPHONIC ACID, P-NITROANILINE-2-SULPHONICACID, MFCD00035755, EINECS 202-531-5

2-Amino-5-nitrobenzenesulfonic acid (CAS 96-75-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O5S and a molecular weight of 218.187 g/mol. Key property: a density of 1.7±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
96-75-3
Jingsj CID
J-1101496-3
Molecular Formula
C6H6N2O5S
Molecular Weight
218.187 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.7±0.1 g/cm3
Exact Mass217.999741
PSA134.59000
LogP1.04
Refractive Index1.662
Storage Conditions2-8°C

Customs & Trade Information

HS Code2921420090
SummaryHS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Amino-5-nitrobenzenesulfonic acid?

The CAS number of 2-Amino-5-nitrobenzenesulfonic acid is 96-75-3.

What are the molecular formula and molecular weight of 2-Amino-5-nitrobenzenesulfonic acid?

2-Amino-5-nitrobenzenesulfonic acid has molecular formula C6H6N2O5S and molecular weight 218.187 g/mol.

What are the upstream and downstream products of 2-Amino-5-nitrobenzenesulfonic acid?

For 2-Amino-5-nitrobenzenesulfonic acid, Upstream Products: 6-Nitrobenzothiazole, 2-Amino-4-nitrophenol-6-sulfonic acid, N-(4-aminophenyl)methanesulfonamide; Downstream Products: 2,6-Dibromo-4-nitroaniline, 2,6-Diiodo-4-nitroaniline, 2-Amino-5-nitrobenzenesulfonamide.

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

Last updated:

How to cite: Jingsj. "2-Amino-5-nitrobenzenesulfonic acid (CAS 96-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1101496-3 (accessed 2026-11-09).

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