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Description of key information

Henry law constant = 0.002813 calculated with EPIWIN 4.00

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
0.003
at the temperature of:
25 °C

Additional information

Henry's Law Constant characterizes the equilibrium of dilute concentrations of volatile, soluble substances between the gas and liquid phases. The aromatic sulphonic acids are not volatile and therefore a Henry's Law Constant is not feasible or relevant. An indicative value to complete the Chemical safety assessment has been calculated with EPIWIN 4.00