Methyl Orange indicator -500ml
Methyl Orange is a pH indicator dye widely used in acid-base titrations. It exhibits a distinct color change from red in acidic conditions to yellow in alkaline conditions, making it ideal for strong acid–strong base and strong acid–weak base titrations.
Chemical Name:
Sodium 4-[4-(dimethylamino)phenylazo]benzenesulfonate
Synonyms:
Methyl Orange, MO Indicator, Acid-Base Indicator
CAS Number:
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Methyl Orange: 547-58-0
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Water (solvent): 7732-18-5
Appearance:
Orange to red solution (in acidic medium) or as orange crystalline powder
Key Properties
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pH transition range: 3.1 – 4.4
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Red in acidic solution, yellow in alkaline solution
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Water-soluble
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Stable under normal laboratory conditions
Applications
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Acid-base titrations (strong acid vs strong/weak base)
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Laboratory pH indicator
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Educational demonstrations of titration endpoints
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Analytical chemistry experiments require clear endpoint detection
Storage Conditions
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Store in a tightly closed container
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Keep in a cool, dry place
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Protect from light and heat
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Avoid contamination
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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Wear gloves, lab coat, and eye protection
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Handle in a well-ventilated area
| Weight | 1 kg |
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