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2-chloro-2-methylpropanoic acid

Also known as: 2-chloro-2-methylpropionic acid, 2-chloroisobutyric acid, Propanoic acid, 2-chloro-2-methyl-, alpha-chloroisobutyric acid

2-chloro-2-methylpropanoic acid (CAS 594-58-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7ClO2 and a molecular weight of 122.55000 g/mol. Key properties include a boiling point of 193ºC at 760mmHg, a density of 1.217g/cm3 and a flash point of 70.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
594-58-1
Jingsj CID
J-1366909-5
Molecular Formula
C4H7ClO2
Molecular Weight
122.55000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point193ºC at 760mmHg
Density1.217g/cm3
Flash Point70.5ºC
Exact Mass122.01300
PSA37.30000
LogP1.08840
Refractive Index1.448

Customs & Trade Information

HS Code2915900090
Summary2915900090 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 2-chloro-2-methylpropanoic acid?

The CAS number of 2-chloro-2-methylpropanoic acid is 594-58-1.

What are the molecular formula and molecular weight of 2-chloro-2-methylpropanoic acid?

2-chloro-2-methylpropanoic acid has molecular formula C4H7ClO2 and molecular weight 122.55000 g/mol.

What are the upstream and downstream products of 2-chloro-2-methylpropanoic acid?

For 2-chloro-2-methylpropanoic acid, Upstream Products: Chlorobutanol, Isobutyric acid, 2-chloroisobutyryl chloride; Downstream Products: 2-methyl-2-(2-nitrophenoxy)propanoic acid, Methacrylic acid, 2-Hydroxyisobutyric 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. "2-chloro-2-methylpropanoic acid (CAS 594-58-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1366909-5 (accessed 2026-11-09).

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