A3237212
2,4-Dichlorophenol , Analysis standard , 120-83-2
Synonym(s):
2,4-DCP;2,4-Dichlorophenol
CAS NO.：120-83-2
Empirical Formula: C6H4Cl2O
Molecular Weight: 163
MDL number: MFCD00002169
EINECS: 204-429-6
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 42-43 °C(lit.) |
| Boiling point: | 209-210 °C(lit.) |
| Density | 1.383 |
| vapor pressure | 1.3 hPa (50 °C) |
| refractive index | 1.4430 (estimate) |
| Flash point: | 237 °F |
| storage temp. | 2-8°C |
| solubility | methanol: soluble1g in 10ml |
| pka | pK1:7.85 (25°C) |
| color | White to beige |
| Water Solubility | 4.5 g/L (20 ºC) |
| Merck | 14,3072 |
| BRN | 742467 |
| Henry's Law Constant | 2.88 x 10-6 atm?m3/mol at 20 °C (Sheikheldin et al., 2001)
3.23 x 10-6 atm?m3/mol at 25 °C (estimated, Leuenberger et al., 1985a) |
| InChIKey | HFZWRUODUSTPEG-UHFFFAOYSA-N |
| LogP | 3.25 at 20℃ |
| CAS DataBase Reference | 120-83-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Phenol, 2,4-dichloro-(120-83-2) |
| EPA Substance Registry System | 2,4-Dichlorophenol (120-83-2) |
Description and Uses
2,4-DCP is a colorless crystalline solid with acharacteristic odor. Molecular weight=163.00; Boilingpoint=210℃; Freezing/Melting point=45.0℃; Flashpoint=113℃. Hazard Identification (based on NFPA-704M Rating System): Health 1, Flammability 1, Reactivity 0.Slightly soluble in water.
Intermediate in production of herbicidal chlorophenoxy acids such as 2,4- dichlorophenoxyacetic acid
Safety
| Symbol(GHS) |    GHS05,GHS06,GHS09 |
| Signal word | Danger |
| Hazard statements | H302-H311-H314-H411 |
| Precautionary statements | P260-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338 |
| Hazard Codes | T,N,F |
| Risk Statements | 22-24-34-51/53-39/23/24/25-23/24/25-11-25 |
| Safety Statements | 26-36/37/39-45-61-36/37-16-7 |
| RIDADR | UN 2928 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | SK8575000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29081000 |
| Hazardous Substances Data | 120-83-2(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 for mice 1,276 mg/kg, rats 580 mg/kg (quoted, RTECS, 1985). |
