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Physical & Chemical properties

Auto flammability

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Description of key information

The autoflammability temperature of the substances in the category ranges from 287 to 537°C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
441 °C

Additional information

Data are available for 95465-89-7 from a proprietary study conducted according to standard guidelines. Data from the CRC handbook (Lide 2008) were available for the substances methane, ethane, propane, butane and isobutane. Data from the Merck handbook (O’Neill 2006) were available for methane and ethane. The information is taken from reliable peer reviewed handbooks and so can be considered reliable and suitable for use for this endpoint.

The autoflammability temperature of methane is 537°C, ethane is 472°C, propane is 450°C, butane is 287°C and isobutane is 460°C. The mean of the autoflammability temperature values for the category is 441°C and this has been used to complete the 'key value for chemical safety assessment'.