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| CAS No.: | 533-23-3 |
|---|---|
| Name: | Acetic acid,2-(2,4-dichlorophenoxy)-, ethyl ester |
| Molecular Structure: | |
|
|
|
| Formula: | C10H10 Cl2 O3 |
| Molecular Weight: | 249.094 |
| Synonyms: | Acetic acid,(2,4-dichlorophenoxy)-, ethyl ester (6CI,8CI,9CI); 2,4-D ethyl ester; 2,4-DEE;2,4-PA-ethyl; Bladex C; Dicotox; Estone 80; Ethyl 2,4-dichlorophenoxyacetate;Ethyl 2-(2,4-dichlorophenoxy)acetate; Knochweed; Knock Weed; Knock Weed 4G;Weedone 40; Weedone Concentrate 48 |
| EINECS: | 208-558-9 |
| Density: | 1.308g/cm3 |
| Melting Point: | 96-98 °C |
| Boiling Point: | 313.6°Cat760mmHg |
| Flash Point: | 127°C |
| Solubility: | 63mg/L(temperature not stated) |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | R22; R41 |
| Safety: | An experimental teratogen. When heated to decomposition it emits toxic fumes of Cl−. |
| PSA: | 35.53000 |
| LogP: | 2.93530 |
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Chemistry
IUPAC Name: Ethyl 2-(2,4-dichlorophenoxy)acetate
Synonyms of Ethyl (2,4-dichlorophenoxy)acetate (CAS NO.533-23-3): (2,4-Dichlorophenoxy)acetic acid ethyl ester ; 2,4-D ethyl ester ; 2,4-D-ethyl ; Ethyl 2,4-dichlorobenzeneacetate ; Acetic acid, (2,4-dichlorophenoxy)-, ethyl ester ; Benzeneacetic acid, 2,4-dichloro-, ethyl ester (9CI)
Product Categories: EQ - EZEnvironmental Standards;2000/60/EC;Alphabetic;E;European Community: ISO and DIN;Herbicides;MetabolitesPesticides&Metabolites;Pesticides&Metabolites;Phenoxy structureMethod Specific
CAS NO: 533-23-3
Molecular Formula: C10H10Cl2O3
Molecular Weight : 249.0906
Molecular Structure: 
EINECS: 208-558-9
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 5
Polar Surface Area: 35.53 Å2
Index of Refraction: 1.525
Molar Refractivity: 58.39 cm3
Molar Volume: 190.3 cm3
Surface Tension: 40.3 dyne/cm
Density: 1.308 g/cm3
Flash Point: 127 °C
Enthalpy of Vaporization: 55.47 kJ/mol
Boiling Point: 313.6 °C at 760 mmHg
Vapour Pressure: 0.00049 mmHg at 25°C
Storage temp: Keep Ethyl (2,4-dichlorophenoxy)acetate (CAS NO.533-23-3) at 0-6°C .
Toxicity Data With Reference
| 1. | scu-mus TDLo:774 mg/kg (female 6-14D post):TER | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB223-160 . |
Safety Profile
Hazard Codes: 
Xi,Xn
Risk Statements: 22-41
R22: Ethyl (2,4-dichlorophenoxy)acetate (CAS NO.533-23-3) is harmful if swallowed.
R41: Risk of serious damage to the eyes.
Safety Statements: 26-36/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/39: Wear suitable protective clothing and eye/face protection
RIDADR: 3348
RTECS: AG8500000
HazardClass: 6.1(b)
PackingGroup: III
An experimental teratogen. When heated to decomposition it emits toxic fumes of Cl−.