4-(4-chloro-2-methylphenoxy)butanoic acid

2甲4氯丁酸

Also known as: MCPB, 2,4-MCPB, 2-methyl-4-chlorophenoxybutyric acid, 4-(2-methyl-4-chlorophenoxy)butyric acid, 4-(4-chloro-2-methylphenoxy)butyric acid, 4-(4-chloro-o-tolyloxy)butyric acid, Bexone, Legumex, Thitrol, Trifolex, Trotox, 2M-4CM, 2M 4KhM, [(4-Chloro-o-tolyl)oxy]butyric acid, u46mcpb

4-(4-chloro-2-methylphenoxy)butanoic acid (CAS 94-81-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H13ClO3 and a molecular weight of 228.67200 g/mol. It is also known as MCPB, 2,4-MCPB and 2-methyl-4-chlorophenoxybutyric acid. Key properties include a melting point of 99-100ºC, a boiling point of 393.1ºC at 760mmHg, a density of 1.23g/cm3 and a flash point of 191.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

94-81-5

Jingsj CID

J-9065-0

Molecular Formula

C₁₁H₁₃ClO₃

Chinese Name

2甲4氯丁酸

Molecular Weight

228.67200 g/mol

Category

Organic Acids

Last updated

8/21/2026