Cresol red sodium salt, pH indicator dye (ab146320)
Key features and details
- pH indicator dye.
- CAS Number: 62625-29-0
- Soluble in water to 1 mg/ml
- Form / State: Solid
- Source: Synthetic
Overview
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Product name
Cresol red sodium salt, pH indicator dye -
Description
pH indicator dye. -
Alternative names
- 2-Cresolsulfonephthalein sodium salt
- o-Cresolsulfonephthalein sodium salt
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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.
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CAS Number
62625-29-0 -
Chemical structure
Properties
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Molecular weight
404.40 -
Molecular formula
C21H17NaO5S -
Storage instructions
Store at Room Temperature. The product can be stored for up to 12 months. -
Solubility overview
Soluble in water to 1 mg/ml -
Handling
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
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Source
Synthetic