Lorazepam

Melting point::

166-168°C

Boiling point::

533.8±50.0 °C(Predicted)

Density :

1.4835 (rough estimate)

refractive index :

1.6070 (estimate)

Flash point::

11 °C

storage temp. :

−20°C

solubility :

Practically insoluble in water, sparingly soluble in ethanol (96 per cent), sparingly soluble or slightly soluble in methylene chloride.

pka:

pK1 1.3; pK2 11.5(at 25℃)

Water Solubility :

54mg/L(temperature not stated)

Stability::

hygroscopic

Symbol(GHS) 

GHS08

Signal word 

Warning

Hazard statements 

H361

Precautionary statements 

P201-P202-P280-P308+P313-P405-P501