51698-33-0
Disodium 4,4 inverted exclamation marka-dichloro-3,3 inverted exclamation marka-sulfodiphenyl sulfone
Disodium bis(4-chloro-3-sulfophenyl)sulfone (CAS 51698-33-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H18Cl2O8S3 2*Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
Molecular Formula
C12H18Cl2O8S3 2*Na
Molecular Weight
480.34 g/mol
Purity
97%+
Storage
Store in a cool place (≤25°C), keep sealed and dry
Solubility (reference)
Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
Stability
May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions