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Calcon

C.I No. 15705 , Solochrome Dark Blue , Eriochrome Blue Black R

Product Size 25gm/100gm Grade Laboratory Reagent (LR)
Purity CAS No. 2538-85-4
Molecular Formula C20H13N2NaO5S Molecular Weight 416.39
H.S. Code 29270000 Shelf Life 60 months

Specifications

Solubility 0.1% (dist. water) Red solution
Absorptivity 1%, 1cm, at ? max. 637.0 nm(Ammonia as buffer, pH 10.0+2ml of 0.05M E.D.T.A. solution) 300-500
Loss on drying at 110°C < 10%
Suitability as indicator for metal titration Passes

Safety Information and Hazard Symbols