Diboron calcium tetraoxide

Oxidising properties

Link to relevant study record(s)

Reference

Endpoint:

oxidising solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

8 November 2019 to 27 November 2019

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.17 (Oxidising Properties (Solids))

GLP compliance:

yes (incl. QA statement)

Specific details on test material used for the study:

SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material: E0016-912
- Expiration date of the lot/batch: 18 September 2020
- Purity: 82 %

Contact with:

powdered cellulose

Key result

Sample tested:

test mixture as specified

Remarks:

2:1 sample-to-cellulose ratio

Parameter:

preliminary test

Remarks on result:

other: The pile charred but failed to ignite

Sample tested:

reference mixture as specified

Remarks:

mixture of barium nitrate + cellulose (10 to 90 % by weight)

Parameter:

maximum burning rate

Result:

1.212 mm/s

Remarks on result:

other: The pile burnt with a green/orange flame with orange sparks, grey smoke and left grey/black charred remains

Key result

Sample tested:

test mixture as specified

Remarks:

Mixture of test item + cellulose (10 to 90 % by weight)

Parameter:

maximum burning rate

Result:

0 mm/s

Remarks on result:

mixture does not ignite and burn

MAIN TEST RESULTS:

- Reference Mixtures:

% Barium Nitrate	Observations	Burning Time (s)	Burning Rate (mm/s)
10	The pile burnt with an orange flame with some orange sparks, grey smoke and left black charred remains	247	0.810
20	The pile burnt with an orange flame with some orange sparks, grey smoke and left black/grey charred remains	240	0.833
30	The pile burnt with an orange/green flame with some orange sparks, grey smoke and left black/grey charred remains	231	0.866
40	The pile burnt with an orange/green flame with some orange sparks, grey smoke and left black/grey charred remains	205	0.976
50	The pile burnt with a green/orange flame with orange sparks, grey smoke and left grey/black charred remains	192	1.042
60	The pile burnt with a green/orange flame with orange sparks, grey smoke and left grey/black charred remains	165	1.212
70	The pile burnt with a green/orange flame with orange sparks, grey smoke and left white/grey charred remains	208	0.962
80	The pile ignited but self-extinguished without propagating combustion	-	-
90	The pile ignited but self-extinguished without propagating combustion	-	-

- Sample Mixtures:

% Test Item	Observations	Burning Time (s)	Burning Rate (mm/s)
10	The pile burnt with a small blue flame which self-extinguished after propagating combustion over 1 cm in 19 seconds leaving black charred remains	-	-
20	The pile ignited with a small blue flame which self-extinguished without propagating combustion	-	-
30	The pile ignited with a small blue flame which self-extinguished without propagating combustion	-	-
40	The pile ignited with a small blue flame which self-extinguished without propagating combustion	-	-
50	The pile ignited with a small blue flame which self-extinguished without propagating combustion	-	-
60	The pile ignited with a small blue flame which self-extinguished without propagating combustion	-	-
70	The pile failed to ignite	-	-
80	The pile failed to ignite	-	-
90	The pile failed to ignite	-	-

Interpretation of results:

GHS criteria not met

Conclusions:

The test item was determined not to have oxidising properties as the test item:cellulose sample mixtures failed to propagate combustion.

Executive summary:

The oxidising properties of the test item was determined using a procedure designed to be compatible with Method A.17 Oxidising Properties (Solids) of Commission Regulation (EC) No 440/2008 of 30 May 2008. The test item was determined not to have oxidising properties as the test item:cellulose sample mixtures failed to propagate combustion; therefore, the test item is not classified based on GHS criteria.

Key value for chemical safety assessment

Oxidising properties:

non oxidising

Justification for classification or non-classification

The oxidising properties of the test item was determined using a procedure designed to be compatible with Method A.17 Oxidising Properties (Solids) of Commission Regulation (EC) No 440/2008 of 30 May 2008. The test item was determined not to have oxidising properties as the test item:cellulose sample mixtures failed to propagate combustion; therefore, the test item is not classified based on GHS criteria.