94-82-6
Product Name:
2,4-Dichlorophenoxybutyric acid
Formula:
C10H10Cl2O3
Synonyms:
2,4-DB;4-(2,4-Dichlorophenoxy)butyric acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 2,4-db appears as colorless crystals. Slightly corrosive to iron. A chlorinated phenoxy herbicide. Soluble in organic solvents. |
|---|---|
| Color/Form | White crystals |
| Odor | Slightly phenolic |
| Melting Point | 118-120 °C |
| Solubility | Water solubility: 46 ppm at 25 °C. |
| Vapor Pressure | 0.0000111 [mmHg] |
| LogP | log Kow= 3.53 |
| Henry's Law Constant | Henry's Law constant estimated to be 2.29X10-9 atm-cu m/mole at 25 °C. |
| Decomposition | When heated to decomposition it emits toxic fumes of /hydrogen chloride/. |
| Corrosivity | The acid is slightly corrosive to iron. |
| Dissociation Constants | pKa= 4.95 at 25 °C |
| Kovats Retention Index | 1869 1826.1 |
| Other Experimental Properties | Koc of 4-(2,4-dichlorophenoxy)butyric acid has been experimentally measured to be 370 at pH 7.9. |
| Chemical Classes | Pesticides -> Herbicides, Chlorophenoxy |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. |
COMPUTED DESCRIPTORS
| Molecular Weight | 249.09 g/mol |
|---|---|
| XLogP3 | 3.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 5 |
| Exact Mass | 248.0006996 g/mol |
| Monoisotopic Mass | 248.0006996 g/mol |
| Topological Polar Surface Area | 46.5 Ų |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Complexity | 211 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
2,4-db appears as colorless crystals. Slightly corrosive to iron. A chlorinated phenoxy herbicide. Soluble in organic solvents.