18853-32-2 3,4-Dicyanothiophene 3,4-Thiophenedicarbonitrile
Item | Standard | Test Results | |
Identification |
A.H-NMR:Comply with the structure |
Complies |
|
B.LC-MS:Comply with the structure |
Complies |
||
C.The IR spectrum of sample should be identical with that of reference standard; |
Complies |
||
D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. |
Complies |
||
Loss on drying |
≤0.5% |
0.11% |
|
Heavy metals |
≤10 ppm |
<10ppm |
|
Sulphated ash |
≤0.2%, determined on 1.0 g. |
0.009% |
|
Purity |
≥99.0% |
99.82% |
|
Assay |
99.0% |
99.9% |
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