Specifikationstestresultat

• Appearance:
  Orange Crystalline powder
• Infrared spectrum:
  Conforms
• Solubility:
  (0.1 % in water) Clear
• UV Lambda max:
  461 to 469 nm (in 0.01N NaOH)
• Visual transition interval:
  from pH 3.2 (pink or red)to pH 4.4 (yellow-orange)