Registration Dossier
Registration Dossier
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EC number: 211-754-7 | CAS number: 693-57-2
Flammability
Administrative data
Link to relevant study record(s)
Description of key information
Flammability, solids: No propagation of combustion of the test material along a 200 mm length of a pile within 4 minutes was observed. Based on the results obtained, the test material is considered ‘not highly flammable’.
Flammability, pyrophoric properties and reactivity with water: In accordance with section 1.5 of REACH Annex XI, the study does not need to be performed as, based on chemical structure, pyrophoric properties and water reactivity are not to be expected. Negative results can be predicted in the flammability (pyrophoric properties) and flammability (contact with water) tests based on the material’s chemical structure. Handling of the material indicates that this is the case.
Key value for chemical safety assessment
- Flammability:
- non flammable
Additional information
The flammability of the test material was investigated in accordance with the standardised guidelines EU Method A.10 and the United Nations (UN), UN no. ST/SG/AC.10/11/Rev.5: Recommendations on the Transport of Dangerous Goods, Part III: Classification Procedures, Test Methods and Criteria Relating to Class 2, Class 3, Class 4, Division 5.1, Class 8 and Class 9, Test N.1: “Test Method for Readily Combustible Solids”, 2009.
A preliminary screening test was performed. No propagation of combustion of the test material along a 200 mm length of a pile within 4 minutes was observed. According to the guidelines, performance of the burning rate test is not required. Based on the results obtained, the test material is considered ‘not highly flammable’.
The study was performed under GLP in line with accepted standardised guidelines with a high standard of reporting. The study was assigned a reliability score of 1 according to the principles for assessing data quality set out in Klimisch (1997) and is considered suitable for assessment as an accurate reflection of the test material.
In accordance with Section 1 of REACH Annex XI, the study does not appear scientifically necessary as, based on chemical structure, pyrophoric properties and water reactivity are not to be expected. Negative results can be predicted in the flammability (pyrophoric properties) and flammability (contact with water) tests based on its chemical structure. Experience in handling and use of the substance indicates that this is the case. Furthermore, no reaction was observed in the water solubility and aquatic toxicity studies.
The available data are considered complete and the conclusion, non-flammable, was taken forward for risk assessment.
Justification for classification or non-classification
In accordance with Regulation EC No. 1272/2008, the test material does not require classification for flammability as it produced a negative result in the flammability (solids) test, and negative results can be predicted in the flammability (pyrophoric properties) and flammability (contact with water) tests based on its chemical structure.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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