Date published: 2026-7-24

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Fast Black K salt (CAS 64071-86-9)

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Alternate Names:
Fast Black K Salt hemi(zinc chloride) salt;Brentamine fast black K salt
Application:
Fast Black K salt is a water soluble dye
CAS Number:
64071-86-9
Molecular Weight:
417.88
Molecular Formula:
C14H12ClN5O40.5ZnCl2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Fast Black K salt is a water soluble dye used for the histochemical demonstration of acid phosphatases with naphthol AS phosphates. Also useful for staining of proteinaceous tissue components. Color Index #: 37190.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Fast Black K salt, 25 g

sc-206041
25 g
$47.00

Fast Black K salt, 50 g

sc-206041B
50 g
$76.00

Fast Black K salt, 100 g

sc-206041A
100 g
$133.00