4'-(Methylsulfonyl)acetanilide

Also known as: N-[4-(Methylsulfonyl)phenyl]acetamide, Acetamide, N-[4-(methylsulfonyl)phenyl]-, p-Acetamidophenyl methyl sulfone, NSC 85737, 4'-(Methanesulfonyl)acetanilide

4'-(Methylsulfonyl)acetanilide (CAS 22821-80-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H11NO3S and a molecular weight of 213.25400 g/mol. Key properties include a boiling point of 477ºC at 760 mmHg, a density of 1.297g/cm3 and a flash point of 242.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22821-80-3
Jingsj CID: J-22357-4
Molecular Formula: C₉H₁₁NO₃S
Molecular Weight: 213.25400 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	477ºC at 760 mmHg
Density	1.297g/cm3
Flash Point	242.3ºC
Exact Mass	213.04600
PSA	71.62000
LogP	2.20230
Vapor Pressure	2.9E-09mmHg at 25°C
Refractive Index	1.561

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. 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'-(Methylsulfonyl)acetanilide?

The CAS number of 4'-(Methylsulfonyl)acetanilide is 22821-80-3.

What are the molecular formula and molecular weight of 4'-(Methylsulfonyl)acetanilide?

4'-(Methylsulfonyl)acetanilide has molecular formula C9H11NO3S and molecular weight 213.25400 g/mol.

What are the upstream and downstream products of 4'-(Methylsulfonyl)acetanilide?

For 4'-(Methylsulfonyl)acetanilide, Downstream Products: 4-Methylsulfonylaniline, 4-Methylsulfonylbenzoic acid, 4-(Methylsulfonyl)benzylamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4'-(Methylsulfonyl)acetanilide (CAS 22821-80-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22357-4 (accessed 2026-11-09).

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