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Physical & Chemical properties

Flash point

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Reference
Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27 Jan to 03 Mar 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose:
reference to same study
Qualifier:
according to
Guideline:
EU Method A.9 (Flash-Point)
Qualifier:
according to
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Version / remarks:
2004
GLP compliance:
yes (incl. certificate)
Remarks:
Groupe Interministerial des Produits Chimiques, 67 rue Barbes, 94201 Ivry-sur Seine
Type of method:
equilibrium method closed cup
Flash point:
110 °C
Atm. press.:
1 013 hPa

Results

 

Preliminary test

Atmospheric pressure: 97.2 kPa

Relative humidity: Approximately 31%

 

Temperature (°C)

 

Observed temperature
(OT)

Corrected temperature with the calibration curve (CT)

Corrected to Patm (C)

Flash observation

89.7

89.0

90.0

No

99.6

99.0

100.0

No

109.6

109.0

110.0

Yes

104.6

104.0

105.0

No

 

The flash point was observed between 105.0°C and 110.0°C (corrected values).

 

Main test

Atmospheric pressure: 97.2 kPa

Relative humidity: Approximately 33%

  

Temperature (°C)

 

Observed temperature
(OT)

Corrected temperature with the calibration curve (CT)

Corrected to Patm (C)

Flash observation

104.6

104.0

105.0

No

105.6

105.0

106.0

No

106.6

106.0

107.0

No

107.6

107.0

108.0

No

108.6

108.0

109.0

No

109.6

109.0

110.0

No

110.6

110.0

111.0

Yes

  

Remark:The flash point was determined at 110.0 °C during the preliminary test and 111.0 °C during the main test. Due to safety reasons, the value of 110.0 °C was retained and was considered to be the flash point value of the test item.

 

Conclusion

The flash point of the test item was 110.0°C ± 1.0°C (corrected value).

Conclusions:
A flash point value of 110 °C at 1013 hPa was determined in a reliable study conducted according to an appropriate test protocol, and in compliance with GLP.

Description of key information

[3-(trimethoxysilyl)propyl]urea: 110°C at 1013 hPa (measured)

Key value for chemical safety assessment

Flash point at 101 325 Pa:
110 °C

Additional information

A flash point value of 110°C (1013 hPa) was determined by equilibrium closed cup method according to EU Method A.9.