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Physical & Chemical properties

Oxidising properties

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Reference
Endpoint:
oxidising solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
23 Sep 2016 to 14 Feb 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
UN Manual of Tests and Criteria: Test O.1 (Test for oxidizing solids)
GLP compliance:
yes
Contact with:
powdered cellulose
Duration of test (contact time):
<= 3 min
Key result
Sample tested:
4:1 sample-to-cellulose ratio
Parameter:
mean burning time
Result:
119 s
Key result
Sample tested:
1:1 sample-to-cellulose ratio
Parameter:
mean burning time
Result:
111 s
Sample tested:
reference: 3:7 mixture potassium bromate + cellulose
Parameter:
mean burning time
Result:
75 s

RESULTS

Applied power to the ignition coil: 150 ± 7 W.

The burning times for the test substance and reference substance mixtures with cellulose are tabulated below. In all cases the test mixtures ignited and burned fully with a flame.

Test No.

Burning Time (s)

Test Substances

References

4 : 1

1 : 1

3 : 7

1.

106

88

86

2.

126

88

80

3.

128

114

68

4.

119

130

81

5.

118

133

60

Mean

119

111

75

CONCLUSIONS

- The mean burning times of the test substance/cellulose mixtures are both greater than the mean burning time of the potassium bromate/cellulose mixtures.

- In accordance with the criteria of UN Test O.1, the test substance is not classified as an oxidizing solid.

Interpretation of results:
GHS criteria not met
Conclusions:
The mean burning times of the 4:1 and 1:1 test substance / cellulose mixtures were both greater than the mean burning time of the potassium bromate (reference) / cellulose mixtures.
Executive summary:

To determine the oxidizing properties of the substance a study was performed according to UN Test O.1 and in compliance with GLP. In this study the mean burning times of the 4:1 and 1:1 test substance / cellulose mixtures were both greater than the mean burning time of the potassium bromate (reference) / cellulose mixtures.

Description of key information

Burning times were greater than references, UN Test O.1, Jackson 2014

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

The mean burning times of the 4:1 and 1:1 test substance / cellulose mixtures were both greater than the mean burning time of the potassium bromate (reference) / cellulose mixtures.

Justification for classification or non-classification

Based on the available information, test substance is not classified as Oxidizing solid in accordance with EU Classification, Labelling and Packaging of Substances and Mixtures (CLP) Regulation No. (EC) 1272/2008.