| Product name: | NAS-5 |
|---|---|
| English name: | Sodium 2-diazo-1-naphthol-5-sulfonate |
| Cas: | 2657-00-3 |
| Packing: | 20g，50g，100g，1kg，as required |
| Capacity: | Order made |
| Place of Origin: | China |
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