Methyl orange, Indicator, ACROS Organics™

Brand:  Acros Organics 151421000

Product Code. 10533701

Chemical Identifiers

• Chemical Name or Material: Methyl Orange
• Purity Grade: Pure
• Formula Weight: 327.32
• Synonym: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt

• CAS: 547-58-0
• Molecular Formula: C₁₄H₁₄N₃NaO₃S
• MDL Number: MFCD00007502

Specifications

• Chemical Name or Material: Methyl Orange
• Purity Grade: Pure
• Molecular Formula: C₁₄H₁₄N₃NaO₃S
• MDL Number: MFCD00007502
• Merck Index: 15, 6178
• Synonym: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt
• Packaging: Glass bottle
• Visual Transition Interval: from pH 3.2 (pink or red)to pH 4.4 (yellow-orange)
• Color: Orange

• CAS: 547-58-0
• Physical Form: Fine Crystalline Powder
• Formula Weight: 327.32
• Beilstein: 16, 331
• Infrared Spectrum: Authentic
• Lambda Max: 461 to 469nm (in 0.01N NaOH)
• Solubility: Solubility in water: soluble in hot water. Other solubilities: practically insoluble in alcohol
• Melting Point: > 300.0°C
• Quantity: 100g