Leptomycin B

Melting point::

41-44°, with prior softening (Hokanson)

alpha :

D -24.5° (c = 0.70 in MeOH); D23 -157 ° (c = 0.7% in chloroform)

Boiling point::

725.8±60.0 °C(Predicted)

Density :

1.072±0.06 g/cm3(Predicted)

Flash point::

11°(52°F)

storage temp. :

−20°C

solubility :

Supplied in solution in ethanol (1 mg/ml). Further dilutions may be made with either ethanol or DMSO.

form :

Liquid

pka:

5.10±0.33(Predicted)

color :

White to off-white

Stability::

Stable for 1 year from date of purchase as supplied. Solutions or dilutions in DMSO are not stable. Solutions should be made fresh and used within one working day.

Symbol(GHS) 

GHS02,GHS06,GHS08

Signal word 

Danger

Hazard statements 

H225-H301+H311+H331-H370

Precautionary statements 

P210-P280-P301+P310+P330-P302+P352+P312-P304+P340+P311