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Physical & Chemical properties

Water solubility

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Description of key information

Due to the immediate hydrolysis of SIKA Hardener MH upon contact with water experimental determination of the water solubility was technically not feasible. Experimental determination of the water solubility according to test guideline A.6 of EC Regulation 440/2008 was replaced by a theory based evaluation. The water solubility was calculated to be 6.64 mg/L at 25 °C. Thus, SIKA Hardener MH was considered to be slightly soluble.

Key value for chemical safety assessment

Water solubility:
6.64 mg/L
at the temperature of:
25 °C

Additional information

The purpose of this expert statement was to evaluate the water solubility of the test substance SIKA Hardener MH. Experimental determination of the water solubility according to test guideline A.6 of EC Regulation 440/2008 was replaced by a theory based evaluation. Due to immediate hydrolysis of SIKA Hardener MH upon contact with water, a measurement of the water solubility was technically not feasible. Water solubility of SIKA Hardener MH was calculated by using US EPA EPIWIN (v4.0). The resulting values for water solubility were: Water Solubility = 6.64 mg/L at 25 °C (WATERNT, v1.42) Thus, SIKA Hardener MH was considered to be slightly soluble.