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Diss Factsheets

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
oxidising solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
25.03.91 to 25.03.91
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
Remarks:
Swiss GLP
Specific details on test material used for the study:
Name: FAT 40406/A
Purity; 89.3 %
Contact with:
powdered cellulose
Sample tested:
test mixture (not specified)
Parameter:
maximum burning rate
Result:
0.034 mm/s
Sample tested:
reference mixture (not specified)
Parameter:
maximum burning rate
Result:
2.7 mm/s

In all the tested mixtures smouldering fire was observed. For the 50 % test substance: 50 % cellulose mixture only four of the six test propagated to the second reference mark with a maximum burning rate of 0.033 mm/s. For the 60:40 mixture only three of the six test propagated to the second reference mark with a maximum burning rate of 0.034 mm/s and for the 70:30 mixture only five of the six test propagated to the second reference mark with a maximum burning rate of 0.031 mm/s.


 


*Max. burning rate of the reference mixture


barium nitrate/cellulose 60:40 = 2.7 mm/s.


 





















Mixture (%)



Max. burning rate (mm/s)



Reaction



Test substance



Cellulose



 


 


50


 


60


 


70



 


 


50


 


40


 


30


 



 


0.033         1)


 


0.034        2)


0.031         3)


 



Smouldering fire


 


Only 4 of 6 tests propagate to 2nd ref. mark


 


Only 3 of 6 tests prop, to 2nd reference mark


 


Only 5 of 6 tests prop, to 2nd reference mark


 



 


2) Max. burning rate: mixture with 60 % of product.


2) Max. burning rate test mixture 0.034 mm/s                 = 0.034 mm/s   = 0.012


*Max.burning rate reference mixture 2.7 mm/s                  2.7 mm/s


*) in a run of 6 tests                              2) in a run of 3 tests


1) in a run of 4 tests                             3) in a run of 5 tests

Interpretation of results:
GHS criteria not met
Conclusions:
FAT 40406/A had no oxidizing properties.
Executive summary:

In a GLP-compliant study performed according to EU method A.17, the oxidizing properties of the test substance were determined. Hot platinum wire (approximately 1000 °C) was used as an ignition source. In all the tested mixtures only smouldering fire was observed. The 50:50, 60:40, and 70:30 test substance:cellulose mixtures were tested. The maximum burning rate was determined was between 0.031 and 0.034 mm/s but not all the test propogated to the second reference mark; 4, 3, and 5 out of six tests for the 50:50, 60:40, and 70:30 mixtures, respectively. The maximum burning rate of the reference mixture barium nitrate/cellulose (60:40) was 2.7 mm/s. Based on the findings of the study, the test substance had no oxidizing properties.

Description of key information

Reactive Red 245 has no oxidizing properties.

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

In a GLP-compliant study, performed according to EU method A.17, the oxidizing properties of the test substance were determined (Ciba-Geigy 1991). Hot platinum wire (approximately 1000 °C) was used as an ignition source. In all the tested mixtures only smouldering fire was observed. The 50:50, 60:40, and 70:30 test substance:cellulose mixtures were tested. The maximum burning rate was determined to lie between 0.031 and 0.034 mm/s but not all the test propogated to the second reference mark; 4, 3, and 5 out of six tests for the 50:50, 60:40, and 70:30 mixtures, respectively. The maximum burning rate of the reference mixture barium nitrate/cellulose (60:40) was 2.7 mm/s. Overall, it was concluded that the test substance had no oxidizing properties.

Justification for classification or non-classification

As Reactive Red 245 has no oxidising properties, classification is not needed according to the EU CLP Regulation (EC) No. 1272/2008.