Chemical Name : Terephthalaldehyde
CAS: 623-27-8
Molecular formula: C8H6O2
Appearance: white powder
Purity : 99%min
| | |
| A.H-NMR:Comply with the structure | |
B.LC-MS:Comply with the structure | |
C.The IR spectrum of sample should be identical with that of reference standard. | |
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. | |
Loss on drying | ≤2.0% | |
Heavy metals | ≤10 ppm | |
Water | ≤1.0% | |
Sulphated ash | ≤0.5% determined on 1.0 g. | |
Residue on ignition | ≤0.1% | |
| Unspecified impurities: for each impurity | ≤0.10% | |
Total Impurities | ≤0.5% | |
Purity | ≥99.0% | |
Assay | 99.0%~101.0% (anhydrous substance). | |
Use | Is the main raw material for the production of fluorescent whitening agent, also used in the synthesis of dyes and drugs; Fine chemical intermediates | |
China
