Tetrasodium 7,7'-[[6-(morpholin-4-yl)-1,3,5-triazine-2,4-diyl]diimino]bis[4-hydroxy-3-[(4-methoxy-2-sulphonatophenyl)azo]naphthalene-2-sulphonate]

Oxidising properties

Link to relevant study record(s)

Reference

Endpoint:

oxidising solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2014-12-23~2014-12-24

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Study conducted with EU test guidance.

Qualifier:

according to guideline

Guideline:

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

Sample tested:

reference mixture (not specified)

Remarks:

migrated information

Parameter:

maximum burning rate

Result:

1.4 mm/s

Sample tested:

test mixture (not specified)

Remarks:

migrated information

Parameter:

maximum burning rate

Result:

< 1.4 mm/s

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	3.00	2.00	44
Sample mixture	2.00	1.00	154

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: 144s Burning rate: 1.40mm/s

/ : does not calculate

The result 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.

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 1.40 mm/s.

Executive summary:

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.

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 1.40mm/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 oxidizing properties", so that hazard category in CLP is not classified.