CAS Registry Number
CAS 66019-20-3 — Arsenazo I
Arsenazo I is a chromogenic reagent used in analytical chemistry for the detection and quantification of metal ions, particularly rare earth elements and calcium. It functions as a colorimetric indicator in complexometric titrations. Available with CAS number 66019-20-3, molecular formula C16H10AsN2Na3O11S2, and molecular weight 614.28 g/mol. Stored at ambient temperature. Hazard classification includes signal word Danger. Molekula supplies Arsenazo I from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Molekula products for CAS 66019-20-3
Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.