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Physical & Chemical properties

Flash point

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Description of key information

Flash point [1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane]: 59.5°C (ISO 3679)

Key value for chemical safety assessment

Flash point at 101 325 Pa:
59.5 °C

Additional information

A measured flash point of 59.5°C was determined for the substance using the ISO 3679 test method in study conducted in compliance with a known quality system (ISO9001). The result is considered to be reliable and is selected as key study.

In a supporting study, a measured flash point of 61°C was determined for the substance using ASTM D56 test method. Although, full details are not available, the result is considered to be reliable.

A measured flash point of 59.5°C and a predicted boiling point of 180°C indicate that the substance should be classified as a flammable liquid (Category 3) according to the criteria of Regulation (EC) No. 1272/2008.