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Sulpanilic Acid

Sulpanilic Acid
Sulpanilic Acid
Product Code : 15
Product Description
Sulfanilic acid is an off-white crystalline solid which finds application in quantitative analysis of nitrate and nitrite ions. The solid acid exists as a zwitterion, and has an unusually high melting point.
  • Formula: C6H7NO3S
  • Molar mass: 173.2 g/mol
  • Solubility in water: 12.51 kg/m³
  • Related sulfonic acids: Benzenesulfonic acid; p-Toluenesulfonic acid
  • Melting point: 288 °C (550 °F; 561 K)
  • Acidity (pKa): 3.25 at 298K

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