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Phenol Red Sodium Salt

CAS No.:34487-61-1
Product Grade: Industrial Grade
Purity / Assay: 98%
Molecular Formula:C₁₉H₁₃NaO₅S
Molecular Weight:376.36
Synonym(s):Phenolsulfonephthalein Sodium Salt; Phenol Red; PSP

Phenol Red Sodium Salt is a water-soluble synthetic pH indicator widely used in cell culture and biochemical research.

It provides a clear visual color transition from yellow under acidic conditions to red under neutral and mildly alkaline conditions, enabling convenient monitoring of culture medium pH.

The product is commonly supplied as a high-purity powder for preparation of cell culture media, diagnostic reagents, and laboratory buffer systems.

• Cell culture pH indicator: monitors pH changes in mammalian, insect, and plant cell culture media.

• Diagnostic reagent: supports colorimetric assays and clinical diagnostic formulations.

• Laboratory titration: serves as a visual pH indicator in acid-base titrations.

• Biochemical research: used in media optimization, cell viability studies, and pH-sensitive experimental systems.

25kg/drum, 25kg/bag
CAS No.: 34487-61-1

Product Name: Phenol Red Sodium Salt

Purity / Assay:98%
Molecular Formula:C₁₉H₁₃NaO₅S
Molecular Weight:376.36
EINECS No.:252-057-8
Synonym(s):Phenolsulfonephthalein Sodium Salt; Phenol Red; PSP

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