ISO 9001:2015
| Product Name: | HEPES | Catalogue Number: | GR-23831 |
| Batch Size: | 200KG | Lot Number: | 20230308 |
| CAS Number: | 7365-45-9 | Production Date: | |
| Molecular Formula: | C8H18N2O4S | Report Date: | 2023-03-08 |
| Molecular Weight: | 238.31 | Expiry Date: | |
| Storage: | Room temperature, Protected from light and Sealed |
| Test Items | Specifieation | Results |
| Appearance | White crystal powder | Conforms |
| Assay | 99.0% ~ 101.0% | 99.5% |
| Loss on drying | ≤1.0% | 0.43% |
| pH(1% water solution) | 5.0 ~ 6.5 | 5.45 |
| Heavy metals as pb | ≤10 ppm | Conforms |
| UV absorbance 260nm (1M water solution) | ≤0.1 | 0.046 |
| UV absorbance 280nm (1M water solution) | ≤0.07 | 0.034 |
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Prepared by: |
Reviewed by: |
Aproved by General manager: |
| Date: | Date: | Date: |
