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Revision as of 01:49, 26 November 2015
Names | |
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IUPAC name
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6- -(phenylazo)-2,7-Naphthalene disulfonic acid, disodium salt
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Other names
Amidoschwarz
Naphthol blue black Acid Black 1 Acidal Black 10B Acidal Navy Blue 3BR Naphthalene Black 10B (see talk page) Buffalo Black NBR C.I. 20470 | |
Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.012.640 |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C22H14N6Na2O9S2 | |
Molar mass | 616.49 g·mol−1 |
Appearance | Dark red to black |
~ 30 g/l at 20 °C (68 °F) | |
Hazards | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Amido black 10B is an amino acid staining diazo dye used in biochemical research to stain for total protein on transferred membrane blots. It is also used in criminal investigations to detect blood present with latent fingerprints. It stains the proteins in blood a blue-black color. Amido Black can be either methanol or water based as it readily dissolves in both. With picric acid, in a van Gieson procedure, it can be used to stain collagen and reticulin.