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CHROMOTROPE 2B C.I.No 16575 2-(4-Nitrophenylazo)chromotropic acid disodium salt ; Acid red 176
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Description
| Article No. | 02829 | Grade | |
| Purity | CAS No. | 548-80-1 | |
| Molecular Formula | C16H9N3Na2O10S2 | Molecular Weight | 513.37 |
| H.S. Code | 2927.0090 | Shelf Life | 60 Months |
Specifications
| Appearance | Dark green to greenish-brown to brown powder | Absorption maxima in water | 512 – 518 nm |
| Absoptivity (A1%1cm, in water at absorption maxima, on dried subs.) | Min 575.0 | Loss on drying (at 110°C) | Max 8.0% |
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