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4-Acetamidobenzenesulfonic acid

Also known as: N-Acetylsulfanilic acid, N-Acetylsulphanilic acid, Acetanilide-p-sulfonic acid, 4-(Acetylamino)benzenesulfonic acid, 4-Acetylaminobenzenesulfonic acid, Acetyl sulphanilic acid, Benzenesulfonic acid, 4-(acetylamino)-, EINECS 204-487-2, Sulfadimethoxine EP Impurity C

4-Acetamidobenzenesulfonic acid (CAS 121-62-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9NO4S and a molecular weight of 215.22600 g/mol. Key property: a density of 1.481g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
121-62-0
Jingsj CID
J-1483466-3
Molecular Formula
C8H9NO4S
Molecular Weight
215.22600 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.481g/cm3
Exact Mass215.02500
PSA95.34000
LogP2.62200
Refractive Index1.606

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-Acetamidobenzenesulfonic acid?

The CAS number of 4-Acetamidobenzenesulfonic acid is 121-62-0.

What are the molecular formula and molecular weight of 4-Acetamidobenzenesulfonic acid?

4-Acetamidobenzenesulfonic acid has molecular formula C8H9NO4S and molecular weight 215.22600 g/mol.

What are the upstream and downstream products of 4-Acetamidobenzenesulfonic acid?

For 4-Acetamidobenzenesulfonic acid, Upstream Products: Acetanilide, Sulfanilic acid, 4'-Bromoacetanilide; Downstream Products: N-Acetylsulfanilyl chloride, 4-Acetamidobenzenesulfonyl azide.

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-Acetamidobenzenesulfonic acid (CAS 121-62-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1483466-3 (accessed 2026-11-09).

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