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CAS:80316-29-6
MF:C48H35N9
MW:737.85
Synonyms:STEEL GRAY; SILVER GRAY; NIGROSIN STAIN; NIGROSIN, WATER SOL; NIGROSIN WATER SOLUBLE; NIGROSIN W, WL; NIGROSIN; NIGROSINE B
What is ACID BLACK 2 CAS 80316-29-6？
ACID BLACK 2 dissolved in concentrated sulfuric acid is blue, after dilution to purple, and precipitated. ACID BLACK 2 is black and shiny granular. Soluble in water, the aqueous solution is blue purple, adding sodium hydroxide solution to produce brown purple precipitate. It is blue in ethanol.
Specifica
| Voce | Specifica |
| Punto di ebollizione | 818.6±65.0 °C |
| Densità | 1.22±0.1 g/cm3 |
| Pressione di vapore | 0.0±3.0 mmHg at 25°C |
| Punto di infiammabilità. | 448.9±34.3 °C |
| LogP | 5.08 |
| Acidità coefficiente (pKa) | 5.51±0.10 |
Applicazione
ACID BLACK 2 is mainly used in the dyeing of wool and silk, but also in the dyeing of leather (usually through chromium dye), as well as in the coloring of paper, wood products, soap, electrolytic aluminum and the manufacture of inks. ACID BLACK 2 is used for biological staining, such as the staining of central nervous tissue, pancreatic tissue, cell buds, etc.
Imballaggio
25kg/drum o secondo i requisiti del cliente.
Parole chiave correlate
NIGROSIN WATER SOLUBLE,NIGROSIN W，WL,NIGROSIN,NIGROSINE B.
