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Description of key information

HLC is calculated from the vapour pressure and CMC of N, C12-14 -alkyl-1,3-diaminepropane.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
0.002
at the temperature of:
12 °C

Additional information

Volatilisation of organic compounds from surface waters is generally estimated by the Henry’s law constant. The Henry’s law constant is calculated from the ratio of the vapour pressure (Pa) and the CMC (mol/m3). The Henry's Law constant at environmental temperature is 0.0159 Pa.m3/mol at 12 C based on the vapour pressure of 0.0015 Pa, molecular weight of 240 and CMC of 149 mg/L. Considering the low values, volatilisation at environmental conditions is expected to be negligible.