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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting point range for this Category  was determined as -185 to -105.5°C

Key value for chemical safety assessment

Additional information

Melting point data was not available for any of the streams within this Category . However as the category is mainly hydrocarbon C4 data was read across from hydrocarbon C4 substances (CAS numbers 107-01-7, 115-11-7, 106-98-9, 25167-67-3, 106-97-8, 75-28-5). All information came from a peer reviewed handbook (CRC, 2008).