5-Sulphosalicylic acid, 99%

5-Sulphosalicylic acid, 99% is a chemical compound from the group of sulphobenzoic acid derivatives . It is a white crystalline solid with a slightly pungent odor.

S 2785 (OTTO) 5-Sulphosalicylic acid, 99% Cas 5965-83-3 - used as an indicator in the complexometry , preferably in the determination of iron (III) in an acidic medium ( pH ≈ 2.5). The determination of iron is similar when using Tiron . It changes color from red to yellow.