ISO 9001:2015
| Product Name: | 1,8-Dihydroxynaphthylene-3,6-disulfonic acid | Catalogue Number: | GR-67221 |
| Batch Size: | 400KG | Lot Number: | 20230702 |
| CAS Number: | 148-25-4 | Production Date: | |
| Molecular Formula: | C10H8O8S2 | Report Date: | 2023-07-02 |
| Molecular Weight: | 320.3 | Expiry Date: | |
| Storage: | Room temperature, Protected from light and Sealed |
| Test Items | Specifieation | Results |
| Appearance | White to Light yellow to Light orange powder to crystal | Conforms |
| Purity | ≥98.0% | 99.23% |
| Insolubles | ≤0.3% | 0.08% |
| Water | ≤2.0% | 0.51% |
| H-acid | ≤1.0% | 0.25% |
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Aproved by General manager:![]() |
| Date: | Date: | Date: |