Phenol Red Sodium SaltPhenol Red Sodium Salt CAS: 34487 61 1 MF: C19H13NaO5S MW: 376. 36, Buy now for reliable and reproducible results from Tristains indicators at Chemical World. Phenol Red Sodium Salt is an artificial colorant, which belongs to phenolphthalein chemistry and is commonly known to be used as a pH indicator. It is provided as a dark red crystalline powder and is otherwise known as phenolsulfonephthalein sodium salt. It is relatively soluble in water,

Ready to Use: The prepared 0

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The VF grade indicates a high level of purity and uniformity and is applicable in scientific and industrial purposes

with water and is a solution of good quality

To provide reproducible and repeatable analytical data

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and yellow may turn purple at a pH range of the pH between 7

70 grams of perchloric acid/ 100 grams of the solution

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