Pharmaceutical Intermediate CAS 1193-21-1

Density 1.5±0.1 g/cm3

Boiling point 176.0±0.0 °C at 760 mmHg

Melting point 65-67 °C(lit.)

Molecular formula C4H2Cl2N2

Molecular weight 148.978

Flash point 105.1±7.4 °C

Exact quality 147.959503

PSA 25.78000

LogP 1.29

Appearance traits yellow solid

Vapor pressure 1.5±0.3 mmHg at 25°C

Refractive index 1.559

Storage conditions

Keep the receptacle sealed and stored in a cool and dry place, and ensure that there is a good ventilation or exhaust device in the workplace


If used and stored in accordance with the specifications, it will not decompose. There are no known dangerous reactions. Avoid oxides and alkalis.