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SZSE:002741
Chemical Reagents
5-Sulfosalicylic acid dihydrateCOA Report
  • CAS No.:5965-83-3
  • Molecular weight:254.22
  • Aliases:Salicylsulfonic acid;o-mercaptobenzoic acid
  • Molecular formula:C7H6O6S· 2H2O
  • UN Code:2585
  • EC No.:202-555-6
  • HS-No:29182900
Information
Specification category:
Product No. Product name specifications
1.14295.010 5-Sulfosalicylic acid AR100g
1.14295.020 5-Sulfosalicylic acid AR25KG
Characteristic: Appearance and properties:White crystalline to crystalline powder that had iron color red
Melting point(℃): ~ 120
Solubility: soluble in water, ethanol, ethyl ether, usually soluble in polar solvents.
Technical indicators:
Item AR CP
Assay(C7H6O6S?2H2O) ≥99.0% ≥98.0%
Sensitivity with iron Pass Pass
Clarity of solution ≤3 ≤5
Insoluble matter in water ≤0.005% ≤0.01%
Residue on ignition(as SO4) ≤0.02% ≤0.05%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfate(SO4) ≤0.1% ≤0.5%
Iron(Fe) ≤0.0001% ≤0.0005%
Heavy metals (as Pb) ≤0.0005% ≤0.001%
Salicylic acid(HOC6H4COOH) ≤0.02% ≤0.2%
Hazard characteristics:

IATA-DGR UN 2585 ARYLSULPHONIC ACIDS,SOLID,8,III

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