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Physical & Chemical properties

Boiling point

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Description of key information

Boiling point reported in handbooks: 75.6°C to 76°C
Boiling point reported in authoritative databases: 76°C to 76.1°C

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
76 °C

Additional information

According to the data reported in handbooks and authoritative databases, Thionyl chloride exhibits a boiling point of 75.6°C to 76.1°C at normal atmospheric pressure (default assumption in case pressure conditions were not reported). A boiling point of 76°C was retained as key value as it was the value most frequently encountered in the consulted handbooks and databases. Besides, this value is consistent with available secondary data which report a boiling point of 73°C to 78.8°C for Thionyl chloride.