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Reference
Endpoint:
oxidising solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2014-12-18~2014-12-18
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The lab does not acquire a GLP certification
Reference:
Composition 1
Qualifier:
according to
Guideline:
EU Method A.17 (Oxidising Properties (Solids))
Test material information:
Composition 1
Sample tested:
reference mixture (not specified)
Remarks:
migrated information
Parameter:
maximum burning rate
Result:
1.42 mm/s
Key result
Sample tested:
test mixture (not specified)
Remarks:
migrated information
Parameter:
maximum burning rate
Result:
< 1.42 mm/s
Remarks on result:
sparking

The data of preliminary test and train test are respectively in Table 1 and Table 2.

Table 1

Test Item

Barium nitrate/Sample (g)

Powdered cellulose (Combustible substance) (g)

Test Results (s)

Reference mixture

3.01

2.00

44

Sample mixture

2.00

1.00

122

Table 2

Ratio of sample to

combustible substance

10%

20%

30%

40%

50%

60%

70%

80%

90%

Burning time (s)

/

/

/

/

/

/

/

/

/

Burning rate (mm/s)

/

/

/

/

/

/

/

/

/

Reference mixture

Barium nitrate : Powdered cellulose = 3:2

Burning time: 141s

Burning rate: 1.42mm/s

Interpretation of results:
GHS criteria not met
Conclusions:
Test result showed that the maximum burning rate of mixture of sample with cellulose is less than maximum burning rate of reference mixture 1.42mm/s.
Executive summary:

According to EC REGULATION No 440/2008 Annex A.17 Oxidizing Properties (Solids), the sample is not considered as an oxidising substance. The test results are "no oxidising properties", so that hazard category in CLP is not classified.

Description of key information

The sample is not considered as an oxidizing substance.

Key value for chemical safety assessment

Oxidising properties:
no

Additional information

The result of preliminary test shows that the sample mixture burn very slowly, so the full train test is necessary. And the result of train test shows that, for sample cellulose-mixtures containing 10 to 90 % weight of sample, the piles can be ignited in 2min, only spark spreaded slowly, and the burning times are all longer than 600s. Test result showed that the maximum burning rate of mixture of sample with cellulose is less than maximum burning rate of reference mixture 1.42mm/s.

Justification for classification or non-classification

According to EC REGULATION No 440/2008 Annex A.17 Oxidizing Properties (Solids), the sample is not considered as an oxidizing substance. The test results are "no oxidising properties", so that hazard category in CLP is not classified.