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Boiling point

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boiling point
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because chemical change occurred during the melting point study

Description of key information

Key value for chemical safety assessment

Additional information

In accordance with column 2 of endpoint 7.3, REACH Annex VII, the study does not need to be conducted for solids which decompose before boiling (e.g. auto-oxidation, rearrangement, degradation, decomposition, etc.). According the Ullmann's Encyclopedia of Industrial Chemistry thiourea rearranges relatively rapidly to NH4SCN from 135 °C (see IUCLID endpoint 4.2).