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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Water solubility

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Administrative data

Link to relevant study record(s)

water solubility
Type of information:
experimental study
Adequacy of study:
supporting study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
other: no data
GLP compliance:
Water solubility:
866.899 g/L
22 °C

Value from general accepted authoritative secondary source. No data available for pH.

Executive summary:

A value of ca. 870 g/l was published for the water solubility of "epsilon-caprolactame".

Description of key information

The solubility in water cannot be determined due to the hydrolyses of the sodium caprolactmate in water.

Key value for chemical safety assessment

Water solubility:
880 g/L
at the temperature of:
20 °C

Additional information

The key value is only estimated for an orientation; it is derived from the solubility of epsilon-caprolactame