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Physical & Chemical properties

Melting point / freezing point

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Description of key information

Melting point of crystalline lactic acid 53°C.
Concentrated aqueous solutions of lactid acid do not solidify.

Key value for chemical safety assessment

Additional information

PURAC does not produce crystalline lactic acid. Lactic acid is produced as aqueous solution of concentrations up to 93%. Due to the high viscosity of these solutions they do not solidify upon cooling, 4.2.004. See also additional information under 4.22, viscosity.