Molecular Formula | C7H3Cl2F3 |
Molar Mass | 215 |
Density | 1.478 g/mL at 25 °C (lit.) |
Melting Point | -13--12 °C (lit.) |
Boling Point | 173-174 °C (lit.) |
Flash Point | 150°F |
Solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly) |
Vapor Presure | 1.6 mm Hg ( 20 °C) |
Appearance | Oil |
Specific Gravity | 1.478 |
Color | Colourless |
BRN | 1950151 |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | n20/D 1.475(lit.) |
Physical and Chemical Properties | density 1.478 melting point -13°C boiling point 173-174°C refractive index 1.474-1.476 flash point 65°C |
Use | Used as pesticide herbicides, pharmaceutical intermediates |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns R22 - Harmful if swallowed |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S20 - When using, do not eat or drink. |
UN IDs | 1760 |
WGK Germany | 2 |
RTECS | CZ5527510 |
TSCA | Yes |
HS Code | 29036990 |
Hazard Note | Irritant |
Hazard Class | 8 |
Packing Group | III |
Raw Materials | 4-Chlorotoluene Chlorine |
Downstream Products | Fomesafen |
colorless transparent liquid with the odor of halogenated benzene. Melting Point -11 ℃, boiling point 173~174 ℃, refractive index 1. 4736, relative density 1.496. Insoluble in water, can be miscible with ethanol, ether. This product is toxic, and its vapor has a stimulating effect on the respiratory system.
This product is used as an intermediate for the synthesis of diphenyl ether-containing herbicides. It is used for the synthesis of rufulvernown, fluminegrass ether, ethoxyfluorene, etc.
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Uses | 3, 4-dichlorotrifluoromethyl benzene is a key intermediate of fluorodiphenyl ether herbicides, which can be used to synthesize trifluorocarboxane Herbicides such as ether, fomesafen, and oxyfluoroxane can be used as an intermediate of the insecticide fipronil. Pesticides, pharmaceutical intermediates. Used as an intermediate in the synthesis of diphenyl ether fluorinated herbicides. It is used to synthesize milk fluocaoling, fluoroxanthate ether, glycolfest, etc. Used as pesticide, herbicide, pharmaceutical intermediate |
production method | 1. toluene method 2. raw material consumption quota for p-chlorotoluene method: 900kg/t for p-chlorotoluene (≥ 98%), 2500kg/t for chlorine and 500kg/t for hydrogen fluoride. 3.3, 4-dichlorotrichlorotrichloromethyl benzene fluorination method The product yield of this method is 98.4%. the preparation method is to add 4-chlorotrifluoromethyl benzene and catalyst FeCl3 in the reaction kettle, feed chlorine gas at low temperature under stirring, track the chlorination depth by gas chromatography, wash, dry and distill the finished product after passing chlorine gas. |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |