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Physical & Chemical properties

Storage stability and reactivity towards container material

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Reference
Endpoint:
storage stability and reactivity towards container material
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: UN RTDG: Manual of Tests and Criteria (5th revised Edition 2009) C.1
Deviations:
yes
Remarks:
steel type 1.1141 used instead of 1.0144 as indicated in the Manual of Test and Criteria, 5th revised Edition 2009. The corrosion behaviour of these steel types may be considered to be equivalent.
GLP compliance:
no
Type of method:
other: Test for determining the corrosive properties of liquids and solids that may become liquid during transport as dangerous goods of class 8, packing group III
Storage stability / reactivity towards container material:
other: corrosive to metals according UN RTDG Class 8, PG III

Details:

results for completely dipped specimens:

Test

Duration [days]

Mass loss [%]

Material loss [µm]

Corrosion rate [mm/a]

A (steel)

14

96

931

24.3

B (steel)

14

98

955

24.9

C (aluminium)

14

13

116

3.0

 

Conclusions:
classification as corrosive to metals category 1 (H290) according to Regulation (EC) 1272/2008

Description of key information

corrosive to metals

Additional information

The corrosiveness of the substance to metals was investigated in a test according to UN RTDG Test C.1. It was found to be corrosive to metals category 1 (H290) according to Regulation (EC) 1272/2008. The mass loss of the steel specimens exceeded 26.5% after 14 days.