Diclofop-methyl
Also known as: 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoic acid methyl ester, Methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propionate, Illoxan, Hoegrass, Hoelon, Hoe-grass, Holgrass, NOGRASS, Diclofop-methyl ester, Diclofop-Me, Methyl (RS)-2-[4-(2,4-dichlorophenoxy)phenoxy]propionate, rac-methyl (2R)-2-[4-(2,4-dichlorophenoxy)phenoxy]propanoate
Diclofop-methyl (CAS 51338-27-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H14Cl2O4 and a molecular weight of 341.186 g/mol. Key properties include a melting point of 39-41°C, a boiling point of 408.0±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 150.3±27.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and 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.
- 51338-27-3
- Jingsj CID
- J-6344-5
- Molecular Formula
- C16H14Cl2O4
- Molecular Weight
- 341.186 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 39-41°C |
|---|---|
| Boiling Point | 408.0±45.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 150.3±27.7 °C |
| Exact Mass | 340.026917 |
| PSA | 44.76000 |
| LogP | 4.24 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.562 |
| Additional Property | 0.005 g/100 mL |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Ratterman DM, et al. Diclofop-methyl increases the proton permeability of isolated oat-root tonoplast. Plant Physiol. 1989;91(2):756-765. [2]. Li X, et al. The interactive effects of diclofop-methyl and silver nanoparticles on Arabidopsis thaliana: Growth, photosynthesis and antioxidant system. Environ Pollut. 2018;232:212-219. |
|---|
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diclofop-methyl?
The CAS number of Diclofop-methyl is 51338-27-3.
What are the molecular formula and molecular weight of Diclofop-methyl?
Diclofop-methyl has molecular formula C16H14Cl2O4 and molecular weight 341.186 g/mol.
Is Diclofop-methyl hazardous?
Diclofop-methyl has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of Diclofop-methyl?
For Diclofop-methyl, Upstream Products: 4-(2,4-Dichlorophenoxy)phenol, Methyl 2-bromopropionate; Downstream Products: Diclofop.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diclofop-methyl (CAS 51338-27-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6344-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.