Butyl 2,4-dichlorophenoxyacetate
Also known as: 2,4-D butyl ester, 2,4-D n-butyl ester, 2,4-D-butyl, 2,4-Dichlorophenoxyacetic acid butyl ester, 2,4-dichlorophenoxyacetic acid n-butyl ester, Butyl (2,4-dichlorophenoxy)acetate, butyl 2-(2,4-dichlorophenoxy)acetate, Barco Weed Killer, De-Pester Ded-Weed, Diamond Shamrock Butyl, Lo-Estasol
Butyl 2,4-dichlorophenoxyacetate (CAS 94-80-4) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C12H14Cl2O3 and a molecular weight of 277.144 g/mol. Key properties include a melting point of 9ºC, a boiling point of 343.9±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 132.0±22.7 °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.
- 94-80-4
- Jingsj CID
- J-19054-9
- Molecular Formula
- C12H14Cl2O3
- Molecular Weight
- 277.144 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 9ºC |
|---|---|
| Boiling Point | 343.9±27.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 132.0±22.7 °C |
| Exact Mass | 276.032013 |
| PSA | 35.53000 |
| LogP | 4.25 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.518 |
| Additional Property | <0.1 g/100 mL at 21 ºC |
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]. Schulze GE, et, al. Formulation and food deprivation affects 2,4-D neurobehavioral toxicity in rats. Neurotoxicol Teratol. Sep-Oct 1987;9(5):363-7. [2]. Xiao L, et, al. Isolation and Characterization of 2,4-D Butyl Ester Degrading Acinetobacter sp. ZX02 from a Chinese Ginger Cultivated Soil. J Agric Food Chem. 2017 Aug 30;65(34):7345-7351. |
|---|
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 Butyl 2,4-dichlorophenoxyacetate?
The CAS number of Butyl 2,4-dichlorophenoxyacetate is 94-80-4.
What are the molecular formula and molecular weight of Butyl 2,4-dichlorophenoxyacetate?
Butyl 2,4-dichlorophenoxyacetate has molecular formula C12H14Cl2O3 and molecular weight 277.144 g/mol.
Is Butyl 2,4-dichlorophenoxyacetate hazardous?
Butyl 2,4-dichlorophenoxyacetate 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.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Butyl 2,4-dichlorophenoxyacetate (CAS 94-80-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19054-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.