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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Flash point

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Administrative data

Link to relevant study record(s)

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Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1998
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Version / remarks:
2002
Deviations:
not specified
GLP compliance:
not specified
Type of method:
closed cup
Flash point:
94.3 °C
Atm. press.:
1 013 hPa
Conclusions:
The flash point of the test substance was measured to be 94.3°C. The result is considered reliable.
Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: The study was conducted according to an appropriate test guideline but full details are not available.
Qualifier:
according to guideline
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Version / remarks:
2004
GLP compliance:
not specified
Type of method:
equilibrium method closed cup
Flash point:
50 °C
Atm. press.:
1 013 hPa
Conclusions:
The flash point of the test substance was measured to be 50°C. The result is considered reliable.

Description of key information

Flash point (trimethoxyphenylsilane): 50°C to 94.3°C (closed cup)

Key value for chemical safety assessment

Flash point at 101 325 Pa:
50 °C

Additional information

In a reliable study Dow Corning (1998) determined the flash point by Pensky-Martens closed cup method (ISO 2719:2002) to be 94.3°C. Wacker (2012) measured a flash point of 50°C in a reliable guideline study (ISO 3679). Presumably the flash point decreases with an increase of the low boiling impurities, like methanol, a hydrolysis product of the substance.