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Physical & Chemical properties

Melting point / freezing point

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Link to relevant study record(s)

Description of key information

The melting point (pour point) of the streams in this category is in the range < -100˚C to < -30˚C

Key value for chemical safety assessment

Additional information

Proprietary studies were available from GKA Competence Centre Analytics (2008a, 2008b) for the streams 68477-39 -4 (mpt. <-100˚C) and 68467-55-1 (mpt. <-100˚C). These studies were in accordance with a standard guideline and are considered reliable for assessment. For the case of the stream 68467-55-1 the substance tested contained ca. 1% benzene which results in the substance not meeting the category chemical justification criteria. However, the amount of benzene is small and will not invalidate the result of this physical chemical endpoint. The data from these studies will be read across to other members of the category.

RÜTGERS Germany GmbH, Analytisches Zentrallabor (AZL) (2010) provided data for the stream 64742-94-5 (pour point <-30˚C) via a signed Certificate of Analysis. This data provided details on the method used and was considered adequate for assessment.