Synonym(s): 7,7'-Carbonylbis(azanediyl)bis(4-hydroxynaphthalene-2-sulfonic acid) sodium salt hydrate
Empirical Formula: C21H16N2O9S2 -+ xNa+ -+ yH2O
Linear Formula: C21H16N2O9S2 -+ xNa+ -+ yH2O
Formula Weight: 504.49 (anhydrous free acid basis)
Purity: ≥98% (HPLC)
Storage: 2-8°C
Safety Statements (Europe): 26-36/37
Signal Word: Warning
Hazard statements: H315-H319-H335
Precautionary statements: P261-P305 + P351 + P338