Fast Black Potassium 25 g

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$59.00

Fast Black Potassium Salt

(2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium chloride zinc double salt; 4-Amino-2,5-dimethoxy-4′-nitroazobenzene diazotated zinc double salt; Azoic Diazo No. 38)

CAS Number:	64071-86-9
Chemical Formula:	C₁₄H₁₂ N₅ O₄ 0.5Cl₄ Zn
Molecular Weight:	417.87 g/mol

Fast Black potassium salt is a water soluble dye used for the histochemical demonstration of acid phosphatases with naphthol AS phosphates. It has also been found useful for staining of proteinaceous tissue components.

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