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G salt
| Product Type | Dye intermediate |
| Common Name | G salt |
| Chemical Name | 7-Hydroxy-1,3-naphthalenedisulfonic acid |
| Product Name | 7-Hydroxy-1,3-naphthalenedisulfonic acid |
| Cas No. | 842-18-2 |
| Content | ≥75% |
| Packaging specifications | 25kg woven bag |
| Appearance | white flaky |
| Preparation |
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