Negro amido 10 B, C.I. 20470
- Synonyms: Black acid 1, Naphthol blue black - C22H14N6Na2O9S2 - M = 616,5 g/mol - CAS [1064-48-8] - EINECS-No.: 213-903-1 - Solub. in water: (20 ºC): 30 g/l - GHS-signal word: Danger - GHS-H sentences: H228 - H301 - H330 - GHS-P sentences: P210 - P301+P310 - P320 - P370+P378 - P405 - P501a - Tariff number: 3204 12 00 00 - Applications: analytical chemistry, indicator, chromatography, for electrophoresis. SPECIFICATIONS Absorption maximum l (in H2O): 614 - 620 nm Absorptivity (A1%/1 cm; l max.): 625 - 670 loss on drying (135 °C) : max. 10 %
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