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. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. 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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 99-100ºC |
|---|---|
| Boiling Point | 393.1ºC at 760mmHg |
| Density | 1.23g/cm3 |
| Flash Point | 191.5ºC |
| Exact Mass | 228.05500 |
| PSA | 46.53000 |
| LogP | 2.89200 |
| Refractive Index | 1.536 |
GHS Safety & Compliance
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2918990023 |
|---|---|
| Summary | 2918990023 4-(4-chloro-2-methylphenoxy)butanoic acid。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-(4-chloro-2-methylphenoxy)butanoic acid?
The CAS number of 4-(4-chloro-2-methylphenoxy)butanoic acid is 94-81-5.
What are the molecular formula and molecular weight of 4-(4-chloro-2-methylphenoxy)butanoic acid?
4-(4-chloro-2-methylphenoxy)butanoic acid has molecular formula C11H13ClO3 and molecular weight 228.67200 g/mol.
Is 4-(4-chloro-2-methylphenoxy)butanoic acid hazardous?
4-(4-chloro-2-methylphenoxy)butanoic acid has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of 4-(4-chloro-2-methylphenoxy)butanoic acid?
For 4-(4-chloro-2-methylphenoxy)butanoic acid, Downstream Products: 4-Phenoxybutanoic acid, o-Cresol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(4-chloro-2-methylphenoxy)butanoic acid (CAS 94-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9065-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.