A7682512
2,4,5-Trichloro phenol , Analysis standard , 95-95-4
CAS NO.：95-95-4
Empirical Formula: C6H3Cl3O
Molecular Weight: 197.45
MDL number: MFCD00002170
EINECS: 202-467-8
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 64-67 °C
67-69 °C (lit.) |
| Boiling point: | 248 °C/740 mmHg (lit.) |
| Density | 1,678 g/cm3 |
| vapor pressure | 3.5 at 8 °C, 22 at 25 °C (quoted, Leuenberger et al., 1985a) |
| refractive index | 1.5300 (estimate) |
| Flash point: | 253°C |
| storage temp. | 2-8°C |
| solubility | Soluble in ethanol and ligroin (U.S. EPA, 1985) |
| pka | pK1:7.37 (25°C) |
| form | Powder |
| color | Colorless needles or gray flakes from pet ether |
| Odor | strong phenolic odor |
| Water Solubility | 947.8mg/L(25 ºC) |
| Merck | 14,9643 |
| BRN | 607569 |
| Henry's Law Constant | 1.76 at 25 °C (estimated, Leuenberger et al., 1985a) |
| Stability: | Stable. Note that this material creates dioxin in alkaline media at elevated temperatures. |
| CAS DataBase Reference | 95-95-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Phenol, 2,4,5-trichloro-(95-95-4) |
| EPA Substance Registry System | 2,4,5-Trichlorophenol (95-95-4) |
Description and Uses
2,4,5-Trichlorophenol is used as a broad range pesticide against insects, fungi, vegetation and bacteria. It has become a common environmental contaminant and probable human carcinogen.
Safety
| Symbol(GHS) |   GHS07,GHS09 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H410 |
| Precautionary statements | P273-P301+P312+P330-P302+P352-P305+P351+P338 |
| Hazard Codes | Xn,N,Xi,T,F |
| Risk Statements | 22-36/38-50/53-52/53-39/23/24/25-23/24/25-11-51/53 |
| Safety Statements | 26-28-60-61-28A-45-36/37-16 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS | SN1400000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29081990 |
| Hazardous Substances Data | 95-95-4(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 for guinea pigs 1,000 mg/kg, mice 600 mg/kg, rats 820 mg/kg (quoted, RTECS, 1985). |
