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14187-32-7
bosschem
14187-32-7
Product Description
Product name: Dibenzo-18-crown-6
CAS：14187-32-7
MF： C20H24O6
MW： 360.4
EINECS: 238-041-3
Specifications :
| 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 | Complies | ||
| 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 | ≤0.5% | 0.11% | |
| Heavy metals | ≤10 ppm | <10ppm | |
| Sulphated ash | ≤0.2%, determined on 1.0 g. | 0.01% | |
| Related substances | Unspecified impurities: for each impurity | ≤0.10% | <0.10% |
| Total Impurity | ≤1.0% | 0.18% | |
| Purity | ≥99.0% | 99.82% | |
| Assay | 99.0%~101.0% (anhydrous substance). | 99.90% | |
