COA Center



AMIDO BLACK 10B Extra Pure

C.I. No. 20470 It is an amino acid staining diazo dye used in biochemical research to stain for total protein on transferred membrane blots.
Naphthalene Black 12B, Acid Black 1


25 g (00025)

100 g (00100)

Article No. 01010 Grade Extra Pure
Purity 80% dye content CAS No. 1064-48-8
Molecular Formula C22H14N6Na2O9S2 Molecular Weight 616.50
H.S. Code 3204.9000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Blackish crystalline
Flash point [°C] 30 °C Solubility in water [% weight] Moderate (1-10%)


Appearance Brown to dark brown, blackish powder Dye content (titanometric) Min 80%
Absorption maxima in water 617 - 620 nm Loss on drying (at 110°C) Max 10%
Suitability (as redox indicator) Passes test Suitability (for electrophoresis) Passes test

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date: 16-Feb-2021

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