Name | 4-chlorophenylhydrazine |
Synonyms | 4-CHLOROPHENYLHYDRAZINE 4-chlorophenylhydrazine p-Chlorophenylhydrazine 4-Chlorophenyl hydrazide p-Chlorophenylhydrazine Hydrazine,(4-chlorophenyl)- 1-(4-Chlorophenyl)hydrazine N-(4-Chlorophenyl)hydrazine PARA CHLORO PHENYL HYDRAZINE Hydrazine,(4-chlorophenyl)- PARA CHLORO PHENYL HYDRAZINE 2-methyl-4-(2-phenylethynyl)-3-quinolinecarboxylic acid ethyl ester |
CAS | 1073-69-4 |
EINECS | 214-029-3 |
InChI | InChI=1/C6H7ClN2.H2O4S/c7-5-1-3-6(9-8)4-2-5;1-5(2,3)4/h1-4,9H,8H2;(H2,1,2,3,4) |
Molecular Formula | C6H7ClN2 |
Molar Mass | 142.59 |
Density | 1.320±0.06 g/cm3(Predicted) |
Melting Point | 85 °C |
Boling Point | 265.3±23.0 °C(Predicted) |
Flash Point | 114.2°C |
Vapor Presure | 0.04-170Pa at 20-50℃ |
Appearance | Solid |
pKa | 5.00±0.20(Predicted) |
Storage Condition | 2-8℃ |
Physical and Chemical Properties | Needle-like crystals were precipitated from ether. Melting point of 90 ° C, its hydrochloride is needle-like crystal, melting point 225-230 ° C (decomposition). |
Hazard Class | IRRITANT |
Specific Activity | 70-80 mCi/mmol |
Concentration | 0.1 mCi/ml |
Solvent | Ethanol |
LogP | 1.4 at 23℃ and pH6.1 |
use | dye intermediate. For the production of 1-(4-chlorophenyl)-3-methyl -5-pyrazolone. |
production method | is obtained by diazotization, reduction and hydrolysis of p-chloroaniline. |