Phenol Red is a pH indicator-500ml
Phenol Red is a pH indicator commonly used in acid-base titrations, cell culture, and analytical chemistry. It changes color depending on the pH of the solution, providing a visual indication of acidity or alkalinity. It is frequently used in culture media to monitor pH changes in biological experiments.
Chemical Name:
Phenolsulfonphthalein (C₁₉H₁₄O₅S)
Synonyms:
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Phenol Red Solution
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Sulfonphthalein pH Indicator
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PR Indicator
CAS Number:
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Phenol Red: 143-74-8
Appearance:
Red-orange crystalline powder or prepared solution; forms a yellow to red color change depending on pH
Key Properties
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pH range (color change): 6.8 (yellow) → 8.2 (red)
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Water-soluble and stable in aqueous solutions
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Suitable for visual pH indication in laboratory and clinical applications
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Can be used in solid or solution form depending on application
Applications
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pH monitoring in biological and chemical systems
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Indicator in buffer solutions and titrations
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Monitoring pH in cell culture media
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Water and wastewater analysis for slight acidity or alkalinity
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Laboratory demonstrations of acid-base indicators
Storage Conditions
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Store in a tightly sealed container
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Keep in a cool, dry, and dark place
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Protect from moisture and strong light
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Stable under recommended storage conditions
Safety & Handling (General SDS Summary)
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May cause skin and eye irritation
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Avoid ingestion and inhalation
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Use gloves, protective eyewear, and lab coat
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Handle in a well-ventilated area
| Weight | 1 kg |
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