2-Methyl-4-chlorophenoxyacetic acid
Also known as: MCPA, (4-Chloro-2-methylphenoxy)acetic acid, Agroxon, Agroxone, Chiptox, Weed-rhap, Zelan, Metaxon, Cornox, 2M-4Ch, 2M-4Kh, MCP
2-Methyl-4-chlorophenoxyacetic acid (CAS 94-74-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO3 and a molecular weight of 200.619 g/mol. Key properties include a melting point of 114-118 °C(lit.), a boiling point of 327.0±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 151.6±23.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 94-74-6
- Jingsj CID
- J-33156-6
- Molecular Formula
- C9H9ClO3
- Molecular Weight
- 200.619 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 114-118 °C(lit.) |
|---|---|
| Boiling Point | 327.0±27.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 151.6±23.7 °C |
| Exact Mass | 200.024017 |
| PSA | 46.53000 |
| LogP | 2.49 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.552 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
Activity & Biological Data
| Additional Information | [1]. Munira S, et, al. Sorption and desorption of glyphosate, MCPA and tetracycline and their mixtures in soil as influenced by phosphate. J Environ Sci Health B. 2017 Dec 2;52(12):887-895. [2]. Kwiecien I, et, al. Biodegradable PBAT/PLA Blend with Bioactive MCPA-PHBV Conjugate Suppresses Weed Growth. Biomacromolecules. 2018 Feb 12;19(2):511-520. |
|---|
Customs & Trade Information
| HS Code | 2918990022 |
|---|---|
| Summary | 2918990022 2-(4-chloro-2-methylphenoxy)acetic 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 2-Methyl-4-chlorophenoxyacetic acid?
The CAS number of 2-Methyl-4-chlorophenoxyacetic acid is 94-74-6.
What are the molecular formula and molecular weight of 2-Methyl-4-chlorophenoxyacetic acid?
2-Methyl-4-chlorophenoxyacetic acid has molecular formula C9H9ClO3 and molecular weight 200.619 g/mol.
Is 2-Methyl-4-chlorophenoxyacetic acid hazardous?
2-Methyl-4-chlorophenoxyacetic acid has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of 2-Methyl-4-chlorophenoxyacetic acid?
For 2-Methyl-4-chlorophenoxyacetic acid, Upstream Products: (2-Methylphenoxy)acetic acid, p-Anisidine, 3-Chloropropionyl chloride; Downstream Products: Methylhydroquinone, p-Toluquinone, o-Cresol.
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-Methyl-4-chlorophenoxyacetic acid (CAS 94-74-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33156-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.