China Safe Food Preservative Propyl Paraben CAS: 94-13-3, Find details about China Propyl Paraben, Methyl Paraben from Safe Food Preservative Propyl Paraben CAS: 94-13-3
| Item | Specification | Test Results |
| 1.Appearance | White Powder | White Powder |
| 2. Identification | A.Infrared SpectrumComparison Propyl Parahydroxybenzoate CRS | Passed |
| B.Thin-Layer Chromatographic | ||
| C. Passed | ||
| 3 . Assay (on dry base ) % | 99.0-100.5 | 99. 45 |
| 4 . Melting Point degree | 96-98 | 96.8 |
| 5 . Residue on Ignition % | ≤0. 05 | 0.0 1 |
| 6 . Lead (Pb) ppm | ≤ 2 | < 1 |
| 7.Color of Solution | Passed | Passed |
| 8 . Acid ity | Passed | Passed |
| 9.Loss on Drying % | 0.5 | 0.007 |
| 10 . Related Substances % | ≤ 0.5 | < 0.1 |
| 11. OrganicVolatileImpurities | Passed | Passed |