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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Description of key information

The determination of freezing temperature of AA-948-61 was carried out in accordance with OECD Guideline No. 102 and EEC A.1. The freezing temperature of the test item was determined using freezing point apparatus. The instrument was calibrated using known freezing Temperature standard 1-methyl-2-pyrrolidinone (NMP).

The determined Freezing Temperature of AA-948-61 was found to be -33.8ºC, -33.8ºC and -33.7ºC, respectively, for replicates R1, R2 and R3. The mean freezing temperature of the test item was found to be -33.8 ± 0.06ºC.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-33.8 °C

Additional information