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4-Methylsulfonyl benzaldehyde

Also known as: 4-(Methylsulfonyl)benzaldehyde, 4-Formylphenyl methyl sulphone, 4-Mesylbenzaldehyde, 4-Methylsulfonylbenzaldehyde, 4-Methylsulphonyl benzaldehyde, Benzaldehyde, 4-(methylsulfonyl)-, MFCD00216485

4-Methylsulfonyl benzaldehyde (CAS 5398-77-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H8O3S and a molecular weight of 184.212 g/mol. Key properties include a melting point of 155-161 °C, a boiling point of 378.3±34.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 242.1±18.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5398-77-6
Jingsj CID
J-33074-5
Molecular Formula
C8H8O3S
Molecular Weight
184.212 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-161 °C
Boiling Point378.3±34.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point242.1±18.3 °C
Exact Mass184.019409
PSA59.59000
LogP0.37
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.545

Customs & Trade Information

HS Code2913000090
SummaryHS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Methylsulfonyl benzaldehyde?

The CAS number of 4-Methylsulfonyl benzaldehyde is 5398-77-6.

What are the molecular formula and molecular weight of 4-Methylsulfonyl benzaldehyde?

4-Methylsulfonyl benzaldehyde has molecular formula C8H8O3S and molecular weight 184.212 g/mol.

What are the upstream and downstream products of 4-Methylsulfonyl benzaldehyde?

For 4-Methylsulfonyl benzaldehyde, Upstream Products: 4-(Methylthio)benzaldehyde, Sodium methanesulfinate, 4-Fluorobenzaldehyde; Downstream Products: Florfenicol, (2E)-3-[4-(Methylsulfonyl)phenyl]propenoic acid, 1-(Bromomethyl)-4-(methylsulfonyl)benzene.

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-Methylsulfonyl benzaldehyde (CAS 5398-77-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33074-5 (accessed 2026-11-09).

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