Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards
Purification Methods
Recrystallise it from water at room temperature (2mL/g) by adding acetone and cooling. [Beilstein 14 III 1436, 14 IV 1969.]
Sodium 4-aminosalicylate dihydrate Preparation Products And Raw materials