Arsenazo III ≥95.0% (by titrimetric analysis) for spectrophotometry

Leverancier: TCI
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Synoniemen: 2,7-Bis(2-arsonophenylazo)chromotropic acid, 2,7-Bis(2-arsonophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonic acid, 2,2′-(1,8-Dihydroxy-3,6-disulphonaphthylene-2,7-bisazo)bisbenzenearsonic acid, Arsenazo Ⅲ

A5009-1G A5009-5G
TCIAA5009-1GEA 38.5 EUR
TCIAA5009-1G TCIAA5009-5G
Arsenazo III ≥95.0% (by titrimetric analysis) for spectrophotometry
Arsenazo III

Spectrophotometric reagent for U, Th, Zr and other metals, Indicator for the precipitation titration of SO4 with Ba

Formule: C₂₂H₁₈As₂N₄O₁₄S₂
MW: 776.38 g/mol
MDL Nummer: MFCD00036695
CAS nummer: 1668-00-4
EINECS: 216-788-6
UN: 3465
ADR: 6.1 II
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Specification Test Results

Appearance Dark green to Dark red to Black powder to crystaline
Purity (Neutralization titration) min. 95.0 % (after drying)
Lambda max. 535.0 to 545.0 nm
Absorbance min. 0.600 (16mg/L, 535.0 to 545.0 nm) (calcd.on dried substance)
Drying loss max. 5.0 %


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