Arsenazo III

Arsenazo III is a dye useful for detection of micromolar concentrations of ionized Ca2+. Arsenazo III can be used for determination of thorium, zirconium, uranium and rare earth elements[1][2].

Product Specifications

CAS Number

[1668-00-4]

UNSPSC

12171500

Hazard Statement

H301+H331, H410

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/arsenazo-iii.html

Purity

95.0

Solubility

DMSO : 10 mg/mL (ultrasonic; warming; heat to 60°C)

Smiles

O=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

Molecular Formula

C22H18As2N4O14S2

Molecular Weight

776.37

Precautions

H301+H331, H410

References & Citations

[1]Arsenazo III is a dye useful fKendrick NC. Purification of arsenazo III, a Ca2+-sensitive dye. Anal Biochem. 1976 Dec;76 (2) :487-501.|[2]Savvin S B. Analytical use of arsenazo III: determination of thorium, zirconium, uranium and rare earth elements. Talanta, 1961, 8 (9) : 673-685.