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CAS RN: 523-67-1 | Product Number: A5006

Xylylazo Violet II [Spectrophotometric reagent for Mg]

Purity: >95.0%(HPLC)
  • 1-Azo-2-hydroxy-3-(2,4-dimethylcarboxyanilido)naphthalene-1-(2-hydroxybenzene)
  • 2-[2-Hydroxy-3-(2,4-xylylcarbamoyl)-1-naphthylazo]phenol
  • Xylidyl Blue II
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Product Number A5006
Purity / Analysis Method >95.0%(HPLC)
Molecular Formula / Molecular Weight C__2__5H__2__1N__3O__3 = 411.46  
Physical State (20 deg.C) Solid
CAS RN 523-67-1
Reaxys Registry Number 3496521
PubChem Substance ID 87563100
MDL Number


Appearance Orange to Amber to Dark red powder to crystal
Purity(HPLC) min. 95.0 area%
Suitability for Magnesium-analysis Abs min. 0.300 (40mg/L , near 505nn) in the presence of Magnesium
Properties (reference)
Melting Point 247 °C
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