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Diss Factsheets

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
oxidising liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 10/05/2018 to 11/06/2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.21 (Oxidising Properties (Liquids))
Version / remarks:
2008
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. QA statement)
Remarks:
inspected on 13 and 15 October 2015 / signed on 13 January 2016
Contact with:
powdered cellulose
Key result
Sample tested:
test mixture 1:1
Parameter:
mean pressure rise time
Result:
>= 10.776 - <= 20.012 s
Remarks on result:
other: The sample was found to have a mean pressure rise time greater than that observed for the nitric acid reference sample. The sample is therefore not considered to be an oxidising liquid.

RESULTS

Preparation : Tested as received.

Ignition source : Nickel Chromium wire

SOP Reference : CTL SOP No. 322

Test System : Time / Pressure Test System 1

Oxidising liquids (EC Test A21) testing conducted on SOCOGEL Part 1 indicates that the material is not classified as an oxidising liquid.

 

SOCOGEL : Cellulose (1:1)

65% nitric acid : Cellulose (1:1)

 

Test 1 pressure rise time (sec)

15.588

3.846

Test 2 pressure rise time (sec)

18.184

2.905

Test 3 pressure rise time (sec)

14.365

2.692

Test 4 pressure rise time (sec)

15.787

3.651

Test 5 pressure rise time (sec)

13.046

3.060

Mean pressure rise time (sec)

15.394

3.231

30 % of mean value (sec)

4.618

0.969

Acceptable data range (sec)

10.776-20.012

2.262-4.2

The sample was found to have a mean pressure rise time greater than that observed for the nitric acid reference sample. The sample is therefore not considered to be an oxidising liquid.

Interpretation of results:
GHS criteria not met
Conclusions:
The substance is not classified as an oxidising liquid.
Executive summary:

The study was performed in order to determine the oxidising properties of the substance according to EU A.21 guideline.

5 trials were performed with a mixture of the substance and cellulose was prepared in a 1:1 ratio by mass. 5 trial were performed with mixture of the reference sample ( 65% nitric acid) and cellulose was also prepared in a 1:1 ratio by mass. The sample was found to have a mean pressure rise time greater than that observed for the nitric acid reference sample. The sample is therefore not considered to be an oxidising liquid.

Description of key information

The substance is not classified as an oxidising liquid.

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

The study was performed in order to determine the oxidising properties of the substance according to EU A.21 guideline.

Justification for classification or non-classification

5 trials were performed with a mixture of the substance and cellulose was prepared in a 1:1 ratio by mass. 5 trial were performed with mixture of the reference sample (65% nitric acid) and cellulose was also prepared in a 1:1 ratio by mass. The sample was found to have a mean pressure rise time greater than that observed for the nitric acid reference sample. The sample is therefore not considered to be an oxidising liquid.