product detailed
c a s :15307-79-6
assay(hplc): 99.0%-101.0%
m.f.:c14h10cl2nnao2
1.characteristics
|
white slightly yellowish crystalline powder, slightly hygroscopic. |
2. solubility:
|
sparingly soluble in water, freely soluble in methanol, ethanol(96%);slightly soluble in acetone; practically insoluble in ether., |
3.identify:
|
(a) ir-spectrum (d) reaction of sodium salt |
4 acidity alkalinity
|
6.5-7.5 |
5.melting point |
278-279 |
6.appearance of solution: |
clear absorption of sodium salt≤0.05 |
7.related substances:
|
single impurity max 0.2% total impurity max 0.5%
|
8.heavy metal:
|
max 10ppm |
9.loss on drying
|
max 0.5% |
10.assay: |
99.0-101.0% |