CAS Registry Number

CAS 5965-83-3 — 5-Sulfosalicylic acid dihydrate

5-Sulfosalicylic acid dihydrate is an aromatic sulfonic acid derivative used primarily as a protein precipitant in biochemical assays, including urine protein tests, and as a reagent in analytical chemistry for metal ion detection. It appears as a white to off-white crystalline powder with high solubility in water. CAS 5965-83-3, molecular formula C7H6O6S·2H2O, molecular weight 254.22 g/mol. Stored at ambient conditions. Hazard classification: Danger (corrosive, acute toxicity). Molekula supplies 5-Sulfosalicylic acid dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: 5-Sulfosalicylic acid dihydrate ≥99%