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EC number: 251-807-1
CAS number: 34041-09-3
Mean time till colour change of positive control [min]
Standard Deviation [min]
of 46 studies performed from 2006 till 2012.
The test item induced a change in colour in
the qualify test after 1 minute incubation. Since a change in colour was
visible in the “Qualify Test Vial”, the test item was considered to be
suitable for the next step.
Since the pH value of the test item in the
“Category A Vial” was 7.5 and therefore above 7 the test item was
assigned to category 2.
Time Interval ofColour Change
UN Packaging Group
GHSand Regulation (EC) No 1272/2008 (CLP)
Colour change was not observed for 60 minutes
- The negative control did not induce a
change in the colour of the CDS reagent after 60 minutes. The positive
control showed a distinct change in the colour of the CDS reagent in the
time interval of 0 – 3 minutes (after 1 minute). These results ensured
the validity of the test.
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