Registration Dossier

Administrative data

Endpoint:
oxidising solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26th Jan 2018 - 16th Feb 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report Date:
2018

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.17 (Oxidising Properties (Solids))
Deviations:
yes
Remarks:
Due to the lack of test material the train test was repeated a further four times at the two highest burning rates rather than the specified five. The results were suffficiently conclusive for this deviation not affect the conclusion of the study.
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: crystalline
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Batch number 20170425
- Expiration date of the lot/batch: 24th April 2019

RADIOLABELLING INFORMATION (if applicable) N/A

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Ambient, dark, dry
- Stability under test conditions: stable

Study design

Contact with:
powdered cellulose

Results and discussion

Test results (Oxidising solids)open allclose all
Key result
Sample tested:
4:1 sample-to-cellulose ratio
Parameter:
maximum burning rate
Result:
ca. 0.458 mm/s
Remarks on result:
other: Superficial glowing (~3mm), remainder of test item unaffected.
Key result
Sample tested:
other:
Remarks:
9:1 Test item-to-cellulose ratio
Parameter:
maximum burning rate
Result:
ca. 0.66 mm/s
Remarks on result:
other: Superficial glowing (~3mm), remainder of test item unaffected.
Sample tested:
other: Reference Mixture
Remarks:
6:4 w/w barium nitrate/celulose
Parameter:
maximum burning rate
Result:
ca. 1.55 mm/s

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
Under the conditions of the study, the maximum burning rate of the sample mixtures is below the determined highest burning rate of the reference mixture therefore the test substance is considered not oxidising.
Executive summary:

A GLP study was performed in accordance with Method EC A.17, to determine the oxidising properties of barium selenate. The preliminary test showed no vigorous reaction, therefore a train test was performed using powdered cellulose as the combustible substance. The maximum burning rate of the test substance in the train test was 0.66 mm/s compared with the maximum burning rate of the reference substance barium nitrate. The test item is not considered to be oxidising as the maximum burning rate is significantly lower than that of the reference substance.

No classification with respect to oxidising properties is required.