ISO 22241

Product Properties for AdBlue® as per the revised ISO22241 standard

Urea 32.5 % (approximate) solution dissolved within deionised water. As required by SCR equipped vehicles under the provisions of Emissions standards Euro IV (Euro4), Euro V (Euro5) & Euro VI (Euro6).

Product Properties Minimum Maximum Unit
Urea Content 31.8 33.2 % by weight
Density at 20°C 1.0870 1.0930 g/cm³
Refracting Index at 20°C 1.3814 1.3843
Alkalinity as NH3 - 0.2 %
Biuret - 0.3 %
Aldehyde - 5 mg/kg
Insolubles - 20 mg/kg
Phosphate (PO4) - 0.5 mg/kg
Calcium - 0.5 mg/kg
Iron - 0.5 mg/kg
Copper - 0.2 mg/kg
Zinc - 0.2 mg/kg
Chromium - 0.2 mg/kg
Nickel - 0.2 mg/kg
Aluminium - 0.5 mg/kg
Magnesium - 0.5 mg/kg
Potassium - 0.5 mg/kg
PDS MSDS

Sections

  • ISO22241-1 : 2006 (quality standard)

    Diesel engines — NOx reduction agent AUS 32 —

    Part 1: Quality requirements

  • ISO22241-2 : 2006/8 (quality standard)

    Diesel engines — NOx reduction agent AUS 32 —

    Part 2: Test methods

  • ISO22241-3 : 2008 (quality standard)

    Diesel engines — NOx reduction agent AUS 32 —

    Part 3: Handling, Transportation & Storage

  • ISO22241-4 : 2009 (quality standard)

    Diesel engines — NOx reduction agent AUS 32 —

    Part 4: Refilling Interface