• Naphthalene Black 12B, Acid Black 1

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 3204.1200 Shelf Life 5 Years
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.


Safety Information and Hazard Symbols

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


00025 25 g Request for price
00100 100 g Request for price
Revision Date : 06-Aug-2014


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