Registration Dossier
Registration Dossier
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EC number: 253-410-9 | CAS number: 37224-61-6
Oxidising properties
Administrative data
Link to relevant study record(s)
Description of key information
Not considered to be an oxidising liquid, UN Recommendations on the Transportation of Dangerous Goods (5.1), Younis (2015)
Key value for chemical safety assessment
- Oxidising properties:
- no
Additional information
A study has been performed to investigate the oxidising properties of the test material in accordance with the standardised guideline UN Recommendations on the Transportation of Dangerous Goods, Manual of Tests and Criteria, Classification of materials relating to Oxidising Liquids of Division 5.1 under GLP conditions. The method used was that described in the standardised guideline EU Method A.21. The study has been assigned a reliability score of 1 in line with the principles for assessing data quality as defined by Klimisch et al. (1997).
The test method measures the Pressure Rise Time during deflagration. The test liquid is mixed in a 1:1 ratio, by mass, with fibrous cellulose and the mixture heated in a pressure vessel to evaluate the rate of pressure rise. The results are compared with data obtained in the same equipment for mixtures of cellulose with 65 % nitric acid. The combustible material (fibrous cellulose) is dried in a layer not more than 25 mm thick, at 105 °C, for 4 hours and kept in a desiccator (with desiccant) until cool and required for use. A 5.0 g mixture of the reference substance and cellulose is prepared in a 1:1 ratio by mass. Five trials are performed on the reference substance and the test material.
Under the conditions of the study, the test material has been determined to have a mean pressure rise time greater than that observed for the nitric acid reference sample. The sample is therefore not considered to be an oxidising liquid.
Justification for classification or non-classification
In accordance with the criteria for classification as defined in Annex I, Regulation (EC) No. 1272/2008, the substance does not require classification with respect to oxidising properties.
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