Disodium 2,7-Naphthalenedisulfonate (CAS 1655-35-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H6O6S2 2*Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
Molecular Formula
C10H6O6S2 2*Na
Molecular Weight
309.26 g/mol
Purity
>95%
Storage
Store at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)
Soluble in methanol, ethanol, DMSO
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening