Registration Dossier
Registration Dossier
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EC number: 233-820-4 | CAS number: 10377-48-7
Flammability
Administrative data
Link to relevant study record(s)
Description of key information
Lithium sulfate anhydrous and its monohydrate are non-flammable according to the conducted study.
The chemical structures of lithium sulfate anhydrous and its monohydrate do not contain chemical groups, which may lead to the conclusion that the test substances are capable of developing a dangerous amount of (flammable) gas in contact with water. Also, experience in handling and use does not indicate flammability upon contact with water. Further, lithium sulfate anhydrous and its monohydrate do not contain any chemical group that might lead to spontaneous ignition, shortly after coming into contact with air at room temperature (Ref.: R.7a: Guidance on information requirements and chemical safety assessment, EU-Document, 2012).
Further, lithium sulfate and its monohydrate do not meet the criteria for self-reactive substances and organic peroxides.
Key value for chemical safety assessment
- Flammability:
- non flammable
Additional information
A flammability test has been performed with lithium sulfate anhydrous and its monohydrate (solid state) according to UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, N1: Test Method for readily combustible solids, sub-section 33.2.1.4. Based on this, both substances are classified as non-flammable.
Justification for classification or non-classification
Based on the structural formula of lithium sulfate anhydrous and its monohydrate no pyrophoric properties and flammability upon contact with water could be detected. Further a study on flammability of solids with both substances did not show any flammable activity. Lithium sulfate and its monohydrate do not meet the criteria for self-reactive substances and organic peroxides as well. Taking into account the regulations in Directive 67/548/EEC (DSD) and Regulation 1272/2008/EC (CLP) lithium sulfate anhydrous and its monohydrate were not classified as flammable.
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