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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Flammability

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Administrative data

Link to relevant study record(s)

Description of key information

Non flammable, EU Method A. 10, Atwal & Woolley (2009)

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

In the key study (Atwall, 2009); the flammability of the test material was determined in a study conducted under GLP conditions and in line with EU Method A.10. The study was assigned a reliability score of 1 in line with the principles for assessing data quality as defined by Klimisch (1997).

Under the conditions of the study the test material was determined to be non-flammable.

The supporting study (Sarvari, 2012g) was performed using information on the read across substance, sodium 5-oxo-L-prolinate, which is the L- isomeric form of the substance. Read-across is considered to be suitable based on the structural similarities between the supporting substance (sodium 5-oxo-L-prolinate) and the substance to be registered (sodium 5-oxo-DL-prolinate), which is a racemic mixture of the D- and L- isomeric forms of the substance. As such the difference in isomeric forms of the substance is unlikely to affect the physico-chemical properties. The study was conducted under GLP conditions and in accordance with standardised guidelines. The study was assigned a reliability score of 2 in line with the principles for assessing data quality as defined by Klimisch (1997).

Under the conditions of the study, the test material was determined to be non-flammable, supporting the findings presented in the key study.

In accordance with Section 2 of Regulation (EC) No. 1907/2006 (REACH) Annex XI, it is considered justified to omit the Flammability (Contact with Water) study and the Flammability (Pyrophoric Properties) study (both further required in Section 7.10) as there is no evidence based on its chemical structure, and experience in handling, that the substance will either spontaneously ignite in air at room temperature or exhibit flammable properties in contact with water.

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 flammability.