4-(Chlorosulfonyl)phenyl pivalate

Also known as: 4-Chlorosulfonylphenylpivalate, p-Pivaloyloxybenzenesulfonyl chloride, 2,2-Dimethylpropanoic acid 4-(chlorosulfonyl)phenyl ester, Propanoic acid, 2,2-dimethyl-, 4-(chlorosulfonyl)phenyl ester, Phenyl pivalate 4-(chlorosulfonyl), Sivelestat sodium Impurity B, Sivelestat impurity 3, Severlastat impurity 3, 4-(Chlorosulfonyl)phenyl 2,2-dimethylpropanoate

4-(Chlorosulfonyl)phenyl pivalate (CAS 150374-99-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H13ClO4S and a molecular weight of 276.737 g/mol. Key properties include a melting point of 83-87ºC, a boiling point of 355.6±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 168.9±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 150374-99-5
Jingsj CID: J-1027300-4
Molecular Formula: C₁₁H₁₃ClO₄S
Molecular Weight: 276.737 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	83-87ºC
Boiling Point	355.6±25.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	168.9±23.2 °C
Exact Mass	276.022308
PSA	68.82000
LogP	3.15
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.525
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2915900090
Summary	2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-(Chlorosulfonyl)phenyl pivalate?

The CAS number of 4-(Chlorosulfonyl)phenyl pivalate is 150374-99-5.

What are the molecular formula and molecular weight of 4-(Chlorosulfonyl)phenyl pivalate?

4-(Chlorosulfonyl)phenyl pivalate has molecular formula C11H13ClO4S and molecular weight 276.737 g/mol.

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-(Chlorosulfonyl)phenyl pivalate (CAS 150374-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027300-4 (accessed 2026-11-09).

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