ISO 22241 AdBlue® Specifications | 123 Oil

Contact Us

Unit 8, South Staffs Terminal

ISO 22241 AdBlue® Specifications

24/7 EMERGENCY DELIVERY

Same Day or Next Day

SIMPLE & EASY ORDERING

Secure Guarantee.

Nationwide Delivery

National Delivery.

AUS 32 DEF (Aqueous Urea Solution 32 Diesel Engine Fluid), generally known as AdBlue®, is subjected to strict ISO 22241 specifications to ensure it is compliant to be used in the modern diesel engines. It is used to neutralise toxic oxides of nitrogen in the exhaust system of the vehicle through selective catalytic reduction (SCR).

It is a registered trademark of the German Association of the Automobile Industry, and is an essential component of a diesel engine vehicle, fulfilling the requirements of Euro 6.

You can learn more about these standards in our fuel specification guide.

ISO 22241 Specifications of AdBlue®

ParameterUnitMinimum ValueMaximum Value
AppearanceColourless liquid with a slight ammonia odour
Freezing point°C-11°C-11°C
Boiling point°C100°C100°C
BasicitypH910
Water solubilityg/l100 
Viscosity at 20°CmPa.s1.41.4
Urea Content%31.833.2
Density at 20°Cg/cm31.0871.093
Refracting index at 20°C1.38141.3843
Alkalinity as NH3%0.2
Biuret%0.3
Insolublesmg/kg20
Aldehydemg/kg5
Phosphate (PO4-3)mg/kg0.5
Calciummg/kg0.5
Ironmg/kg0.5
Aluminiummg/kg0.5
Magnesiummg/kg0.5
Sodiummg/kg0.5
Potassiummg/kg0.5
Coppermg/kg0.2
Zincmg/kg0.2
Chromiummg/kg0.2
Nickelmg/kg0.2

 

Download ISO 22241 Specifications of AdBlue® in PDF here.

Click on the button to start live chat with us