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A92775 Sigma-Aldrich

Arsenazo III

calcium-sensitive dye

Synonym: 2,2′-(1,8-Dihydroxy-3,6-disulfonaphthylene-2,7-bisazo)bisbenzenearsonic acid, 2,7-Bis(2-arsonophenylazo)chromotropic acid

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Properties

Related Categories A, Analytical Reagents, Analytical/Chromatography, Cell Biology, Hematology and Histology,
InChI Key   UQHVTNUJRKELCE-NBHCHVEOSA-N
form   powder
impurities   <0.1% Ca
mp   >320 °C(lit.)
solubility   ammonium hydroxide: 1 mg/mL
absorption   λmax 530 nm

Description

Packaging

1, 5, 10 g in glass bottle

Biochem/physiol Actions

Arsenazo III is a metallochromic dye. Arsenazo III is used in the determination of calcium in biological samples. It is used to evaluate calcium transport in permeabilized cells. It is also used for the detection of rare earth metals (polyvalent metal ions). Arsenazo III is used for the spectrophotometric determination of uranium and thorium.

Price and Availability


Tissue Diagnostics

All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3465 6.1 / PGII
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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