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Cresol Red, Sigma-Aldrich

Catalog No. 01258939 Shop All MilliporeSigma Supelco Products
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01-258-939 25 g
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Catalog No. 01-258-939 Supplier MilliporeSigma Supelco Supplier No. 11447225G
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Description

Cresol Red, also known as o-cresol red, belongs to the phthalein and sulphonphthalein group of dyes. Cresol red changes color from orange to yellow at pH between 0. 2 to 1. 8 and yellow to violet at pH between 7 to 8. 8. In alkaline solutions, cresol red is present as a hydrophilic dianion. The dianion is small and is violet in color, possessing a larger conjugated system than the yellow hydroxyquinone.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1733-12-6
Molecular Weight (g/mol) 382.43 g/mol

Specifications

Grade Indicator
Color Brown/Red
Quantity 25 g
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