Product Data Sheet

Arsenazo III

Catalog No. A25016

main product photo
Arsenazo III is a metallochromic dye that functions as a chelating agent and cation complexing agent. This compound forms stable 1:1 complexes with various cations, including Ca2+, Mg2+, Sr2+, Ba2+, K+, and Na+, with binding affinity influenced by pH and alkali metal cation concentration. Arsenazo III is widely utilized as a colorimetric indicator for the detection of micromolar levels of ionized calcium in cellular studies, making it a valuable tool in biochemical and physiological research.
Chemical Information
Catalog NumA25016
M. Wt776.37
FormulaC22H18As2N4O14S2
Purity>98%
Storageat -20 °C 3 years (powder form); at -20 °C 6 months (Solution base)
CAS No.1668-00-4
Synonyms
SMILESO=S(C1=C(/N=N/C2=CC=CC=C2[As](O)(O)=O)C(O)=C3C(O)=C(/N=N/C4=CC=CC=C4[As](O)(O)=O)C(S(=O)(O)=O)=CC3=C1)(O)=O
Biological Activity
DescriptionArsenazo III is a metallochromic dye that functions as a chelating agent and cation complexing agent. This compound forms stable 1:1 complexes with various cations, including Ca2+, Mg2+, Sr2+, Ba2+, K+, and Na+, with binding affinity influenced by pH and alkali metal cation concentration. Arsenazo III is widely utilized as a colorimetric indicator for the detection of micromolar levels of ionized calcium in cellular studies, making it a valuable tool in biochemical and physiological research.
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SHIPPING AND STORAGE
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