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MW 404.4 g/mol. pH indicator with color changes for acidic solutions of pH 0.2 (red) to pH 1.8 (yellow), and for basic solutions of pH 7.2 (yellow) to pH 8.8 (red). Used in many common molecular biology reactions in place of other loading dyes. It does not inhibit Taq polymerase to the same degree as other common loading dyes.

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Images

Chemical Structure - Cresol red sodium salt, pH indicator dye (AB146320), expandable thumbnail

Key facts

CAS number
62625-29-0
Molecular weight
404.4 g/mol
Molecular formula
C21H17NaO5S
Nature
Synthetic

Target data

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MW 404.4 g/mol. pH indicator with color changes for acidic solutions of pH 0.2 (red) to pH 1.8 (yellow), and for basic solutions of pH 7.2 (yellow) to pH 8.8 (red). Used in many common molecular biology reactions in place of other loading dyes. It does not inhibit Taq polymerase to the same degree as other common loading dyes.

Key facts

Solubility

Soluble in water to 1 mg/ml.

Biological description

pH indicator with color changes for acidic solutions of pH 0.2 (red) to pH 1.8 (yellow), and for basic solutions of pH 7.2 (yellow) to pH 8.8 (red). Used in many common molecular biology reactions in place of other loading dyes. It does not inhibit Taq polymerase to the same degree as other common loading dyes.

Storage

Shipped at conditions
Ambient - Can Ship with Ice
Appropriate short-term storage conditions
Ambient
Appropriate long-term storage conditions
Ambient
Storage information
The product can be stored for up to 12 months

Product promise

We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.

In the unlikely event of one of our products not working as expected, you are covered by our product promise.

Full details and terms and conditions can be found here:
Terms & Conditions.

1 product image

  • Chemical Structure - Cresol red sodium salt, pH indicator dye (ab146320), expandable thumbnail

    Chemical Structure - Cresol red sodium salt, pH indicator dye (ab146320)

    2D chemical structure image of ab146320, Cresol red sodium salt, pH indicator dye

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Product protocols

For this product, it's our understanding that no specific protocols are required. You can:

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