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EC number: 213-603-0
CAS number: 993-07-7
Vapour pressure [trimethylsilane]: >100 000 Pa at 20°CVapour pressure [trimethylsilanol]: 1290 Pa at 20°C and 1900 Pa at 25°C (OECD 104)
Trimethylsilane is a gas at
standard temperature and pressure, with a reported boiling point of
6.7°C. Therefore, the requirement to conduct a vapour pressure study is
waived because based on boiling point value of <30°C, the vapour
pressure is expected to exceed the limit of measurement (i.e. 1E+05 Pa)
at ambient temperature.
In contact with water,
trimethylsilane hydrolyses slowly to produce trimethylsilanol and
hydrogen. The vapour pressures of trimethylsilanol were determined to be
1290 Pa at 20°C and 1900 Pa at 25°C in accordance with a relevant test
method and in compliance with GLP.
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