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oxidising liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental phase: 17 October 2017 to 23 March 2018.
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
UN Manual of Tests and Criteria: Test O.2 (Test for oxidizing liquids)
GLP compliance:
yes (incl. QA statement)
Contact with:
powdered cellulose
Key result
Sample tested:
test mixture 1:1
mean pressure rise time
Remarks on result:
maximum pressure of 2070 kPa not reached
Interpretation of results:
GHS criteria not met
The test substance was determined to be non-oxidising.
Executive summary:


The oxidising properties of the test substance were assessed using the procedure described in UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, Test O.2.


The test is designed to determine the potential for a liquid substance to increase the burning rate or burning intensity of a combustible substance when the two are thoroughly mixed, or to form a mixture which spontaneously ignites. The test method measures the pressure rise time during deflagration. The test liquid is mixed in a 1:1 ratio (by mass) with fibrous cellulose and the mixture heated in a pressure vessel to evaluate the rate of pressure rise. The results are compared with data obtained in the same equipment for mixtures of cellulose with known, characterised oxidants.


The 1:1 mixture of the test substance and cellulose was observed to have a mean pressure rise time greater than that of the 1:1 mixture of 65% nitric acid and cellulose


The test substance was determined to be non-oxidising.

Description of key information

Oxidising properties of the test substance.

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

Justification for classification or non-classification