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Link to relevant study record(s)

Reference
Endpoint:
oxidising properties
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: study conducted by accredited laboratory
Qualifier:
according to guideline
Guideline:
other: UN O.1: Test for oxidizing solids published in “Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, Fifth revised edition, New York and Geneva, ST/SG/AC.10/11/Rev.17.”
GLP compliance:
no
Contact with:
other: standard mixtures of potassium bromate and cellulose at mass ratios of 3:7, 2:3 and 3:2.
Sample tested:
other: not specified (migrated information) average combustion time of mixture of tested substance and cellulose at mass ratio of 4:1
Parameter:
other: average combustion time of mixture of tested substance and cellulose at mass ratio of 4:1
Result:
882 s
Sample tested:
other: not specified (migrated information) average combustion time of mixture of tested substance and cellulose at mass ratio of 1:1
Parameter:
other: average combustion time of mixture of tested substance and cellulose at mass ratio of 1:1
Result:
699.6 s
Sample tested:
other: not specified (migrated information) average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:7
Parameter:
other: average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:7
Result:
118.2 s
Sample tested:
other: not specified (migrated information) average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 2:3
Parameter:
other: average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 2:3
Result:
69.4 s
Sample tested:
other: not specified (migrated information) average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:2
Parameter:
other: average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:2
Result:
20 s
Sample tested:
other: not specified (migrated information) average combustion time of mixture of tested substance and cellulose at mass ratio of 4:1
Parameter:
other: average combustion time of mixture of tested substance and cellulose at mass ratio of 4:1
Result:
882 s
Sample tested:
other: not specified (migrated information) average combustion time of mixture of tested substance and cellulose at mass ratio of 1:1
Parameter:
other: average combustion time of mixture of tested substance and cellulose at mass ratio of 1:1
Result:
699.6 s
Sample tested:
other: not specified (migrated information) average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:7
Parameter:
other: average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:7
Result:
118.2 s
Sample tested:
other: not specified (migrated information) average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 2:3
Parameter:
other: average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 2:3
Result:
69.4 s
Sample tested:
other: not specified (migrated information) average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:2
Parameter:
other: average combustion time of reference mixture - potassium bromate and cellulose at mass ratio of 3:2
Result:
20 s

Table 1. Average combustion times for the reference mixture

Mixture of potassium bromate and cellulose at mass ratio of:

3:7

2:3

3:2

Name of mixture

Standard

References 1.

References 2.

Average combustion time [s]

118.2 ± 3.8

69.4 ± 2.6

20.0 ± 2.0

Table 2. Results of determination of oxidising properties for Chelate Fe(III)IDHA



Mixture of tested substance and cellulose at mass ratio of:

4:1

1:1

Test-1

 

840

658

Test-2

 

910

743

Test-3

combustion time [s]

876

691

Test-4

 

895

721

Test-5

 

889

685

Average combustion time [s]:

882.0 ± 6.1

699.6 ± 41.0
Interpretation of results:
other: no oxidising properties
Remarks:
Migrated information
Conclusions:
Chelate Fe(III)IDHA does not have oxidising properties according to the UN O.1. test criterion by the ADR/RID regulations. 
Executive summary:

The test of the oxidising properties has been carried out by a method accredited in accordance with the UN O.1: Test for oxidizing solids published in “Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, Fifth revised edition, New York and Geneva, ST/SG/AC.10/11/Rev.17.”

The determination procedure consists in initiating ignition of samples which are formed into cones and constitute a mixture of the material being tested and a combustible material (cellulose) at a mass ratio of 1:1 and 4:1 by means of a glowing resistance wire of an igniter and measuring their burning time. The results obtained relate to the determined burning times of standard mixtures of potassium bromate and cellulose at mass ratios of 3:7, 2:3 and 3:2.

The average burning time for the mixture of Chelate Fe(III) IDHA and cellulose (at both mass ratios) is much longer than the average burning time for the mixture of potassium bromate and cellulose at a mass ratio of 3:7. Chelate Fe(III)IDHA does not have oxidising properties according to the UN O.1. test criterion by the ADR/RID regulations. 

Description of key information

Chelate Fe(III)IDHA does not have oxidising properties according to the UN O.1. test criterion by the ADR/RID regulations. 

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

The average burning time for the mixture ofChelate Fe(III) IDHAand cellulose (at both mass ratios) is much longer than the average burning time for the mixture of potassium bromate and cellulose at a mass ratio of 3:7.

Justification for classification or non-classification