Date published: 2026-5-8

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Cresol red sodium salt (CAS 62625-29-0)

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Alternate Names:
2-Cresolsulfonephthalein sodium salt
Application:
Cresol red sodium salt is a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8
CAS Number:
62625-29-0
Molecular Weight:
404.41
Molecular Formula:
C21H17O5S•Na
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Cresol Red can be used in many common molecular biology reactions in place of other loading dyes. Cresol Red does not inhibit Taq polymerase to the same degree as other common loading dyes. Dye Content ~ 95% Transition interval (acid): pH 0.2 (red) to pH 1.8 (yellow); (alkaline) pH 7.2 (yellow) to pH 8.8 (red)

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Cresol red sodium salt, 25 g

sc-206034
25 g
$112.00