ISO 9001:2015
| Product Name: | 6-Hydroxynaphthalene-2-sulphonic acid | Catalogue Number: | GR-7117 |
| Batch Size: | 20KG | Lot Number: | 20230101 |
| CAS Number: | 93-01-6 | Production Date: | |
| Molecular Formula: | C10H8O4S | Report Date: | 2023-01-01 |
| Molecular Weight: | 224.23 | 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 | ≥97.0% | 99.0% |
| Insolubles | ≤0.5% | 0.08% |
| Beta naphthol | ≤0.1% | 0.04% |
| 2 Naphthol 3,6 DSA | ≤0.5% | 0.13% |
| 2 Naphthol 6,8 DSA | ≤0.5% | 0.12% |
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Aproved by General manager:![]() |
| Date: | Date: | Date: |