Molecular Formula | C7H5Cl2F3N2 |
Molar Mass | 245.03 |
Density | 1.596±0.06 g/cm3(Predicted) |
Melting Point | 58-60°C(lit.) |
Boling Point | 224.0±40.0 °C(Predicted) |
Flash Point | 90.4°C |
Vapor Presure | 0.0844mmHg at 25°C |
BRN | 8319619 |
pKa | 3.30±0.33(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.543 |
MDL | MFCD00085001 |
Physical and Chemical Properties | This product is a colorless solid, m. P. 56~57 ℃, insoluble in water, soluble in dichloromethane, benzene and other organic solvents. |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R40 - Limited evidence of a carcinogenic effect |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. 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.) |
WGK Germany | 3 |
HS Code | 29280000 |
Hazard Note | Irritant |
Use | 2, 6-dichloro-4-trifluoromethylphenylhydrazine is an intermediate of the insecticide fipronil. |
production method | Its preparation method is composed of 3,4, 5-trichloro-4-trifluoromethylbenzene and hydrazine hydrate in the presence of pyridine, refluxed at 115~120 °c for 48h, cooled, water was added, extracted with dichloromethane, the organic layer was dried over magnesium sulfate, and then separated, distillation under reduced pressure, de-solvent product. |