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Information sheet AdBlue®
461 / 476
Physical and chemical properties of AdBlue
Form: liquid
Colour: colourless, clear, light yel-
low
Smell: slight smell of ammonia
pH: 10 (aqueous solution,
10%)
Beginning of crystallisa-
tion:
-11 °C
Boiling point/range: 103 °C
Flash point: -
Auto-ignition temperature: not self-igniting
Density: approx. 1.09 g/cm³ at
20 °C
Viscosity, dynamic: approx. 1.4 mPa s at 25°C
Protection of electrical and electronic components when handling AdBlue
AdBlue leads to corrosion of electrical and electronic components. For this reason, all
electrical and electronic components in the vicinity must be covered to avoid contact
with AdBlue during performance of any tasks in which AdBlue could leak out.
Storage and packaging
In order to avoid crystal precipitation, it is recommended to store AdBlue under normal
conditions (optimally at up to 25°C). In order to avoid negative effects upon the qual-
ity due to contamination, AdBlue should only be handled via storage and filling sys-
tems designed for such purposes. Suitable container materials include alloyed steel,
aluminium, various plastics as well as plastic coated metal containers. Non-suitable
for this purpose are unalloyed steels, copper, copper containing alloys and zinc-plated
steels.
Disposal of smaller quantities:
Due to its easy decomposition, small quantities of spilled AdBlue can be rinsed away
without a problem using copious water.
Disposal of larger quantities:
Disposal of larger quantities of AdBlue must be carried out in compliance with applica-
ble recovery and disposal regulations.
The applicable waste treatment classification is location-dependent and is to be car-
ried out in accordance with the European Waste Catalogue (EWC) and/or the German
Directive on the List of Waste Materials (AAV).
Contaminated packaging:
Packaging on which remnants of AdBlue adhere is to be treated as the substance
itself. It is best to empty packaging, clean appropriately and then introduce into the
appropriate recycling waste channel.
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