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Environmental fate & pathways

Henry's Law constant

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Description of key information

Based on the Henry constant, thiourea is considered to be non-volatile.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
at the temperature of:
20 °C

Additional information

The Henry constant of thiourea was estimated by calculation based on the substance's water solubility (136 g/L at 20 °C) and a vapour pressure of Ps = 9.975*10^-8 hPa: H = 5.58E-09 Pa m³/mol. Therefore, thiourea is considered to be non-volatile from aqueous solutions.

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