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Methyl orange ( Methyl Orange ) Indicator - 500g
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 Indicator - 500g "Pin It")
Description
Methyl Orange Indicator - 500g
Other Names: None
CAS Number: 547-58-0
Sum Formula: C14H14N3NaO3S
Molar Mass: 327.34 g/mol
Appearance: Orange-red powder, soluble in water
Methyl orange is a synthetic dye used primarily as a pH indicator, displaying a red color in acidic conditions and a yellow color in alkaline conditions. It is often used in titrations to determine the endpoint of acid-base reactions.
Applications
pH Indicator: Commonly used in titrations to indicate the presence of acids or bases.
Laboratory Use: Used in educational and analytical chemistry labs to visualize pH changes.
Textile Industry: Occasionally used in the coloring of fabrics and materials.
Safety
Signal Word: Danger
Hazard Statements:
H301: Toxic if swallowed.
Precautionary Statements:
P264: Wash hands thoroughly after handling.
P270: Do not eat, drink, or smoke when using this product.
P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/ doctor.
P405: Store locked up.
P501: Dispose of contents/container to an approved waste disposal plant.
First Aid Measures
Eye Contact: Rinse immediately with plenty of water for several minutes. Seek medical attention if irritation persists.
Skin Contact: Wash thoroughly with soap and water. Seek medical attention if irritation occurs.
Inhalation: Move to fresh air and seek medical help if symptoms persist.
Ingestion: Rinse mouth with water. Seek medical advice immediately.
Handling and Storage
Storage Conditions: Store in a cool, dry place, tightly closed and away from incompatible materials.
Handling Precautions: Avoid ingestion and contact with skin and eyes. Use appropriate PPE (gloves, goggles) when handling.