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4-Acetamido-2-aminobenzenesulfonic acid

Also known as: 2-Amino-4-acetamidobenzenesulfonic acid, 3'-Amino-4'-sulfoacetanilide, 3-Aminoacetanilid-4-sulfonsure, 4-(Acetylamino)-2-aminobenzenesulfonic acid, 4-Acetamido-2-aminobenzenesulphonic acid, Acetyl MPDSA, Benzenesulfonic acid, 4-(acetylamino)-2-amino-, 3-Amino acetanilide-4-sulfonic acid

4-Acetamido-2-aminobenzenesulfonic acid (CAS 88-64-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O4S and a molecular weight of 230.241 g/mol. Key properties include a melting point of 90-92 °C(lit.) and a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
88-64-2
Jingsj CID
J-944088-4
Molecular Formula
C8H10N2O4S
Molecular Weight
230.241 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point90-92 °C(lit.)
Density1.6±0.1 g/cm3
Exact Mass230.036133
PSA117.87000
LogP-0.21
Refractive Index1.649

Customs & Trade Information

HS Code2924299090
Summary2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Acetamido-2-aminobenzenesulfonic acid?

The CAS number of 4-Acetamido-2-aminobenzenesulfonic acid is 88-64-2.

What are the molecular formula and molecular weight of 4-Acetamido-2-aminobenzenesulfonic acid?

4-Acetamido-2-aminobenzenesulfonic acid has molecular formula C8H10N2O4S and molecular weight 230.241 g/mol.

What are the upstream and downstream products of 4-Acetamido-2-aminobenzenesulfonic acid?

For 4-Acetamido-2-aminobenzenesulfonic acid, Upstream Products: 2,4-Diaminobenzenesulfonic acid.

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

Last updated:

How to cite: Jingsj. "4-Acetamido-2-aminobenzenesulfonic acid (CAS 88-64-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-944088-4 (accessed 2026-11-09).

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