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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:
From 9 dec 2008 to 27 march 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
Qualifier:
according to
Guideline:
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Version / remarks:
2002
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
closed cup
Flash point:
157 - 159 °C
Atm. press.:
1 005 hPa
Interpretation of results:
GHS criteria not met
Conclusions:
The flash point in closed cup is 158°C.
Executive summary:

In a study (CRTL, 2009), the flash point of 4 -tert-butylcatechol was determined according to the regulation (EC) n°440/2008, A.9.

The cup of the apparatus was filled with the sample. The heat was supplied at a constant rate 5 to 6°C/min with stirring at 120 rpm.

The tests were performed with a temperature ramp beginning at a predetermined temperature.

The determined flash point (closed cup) was 158°C at 1005 hPa.

This study is classified as acceptable and satisfies the guideline requirements for a flash point study.

Description of key information

Flash point range: 157 - 159°C at 1005 hPa

Key value for chemical safety assessment

Flash point at 101 325 Pa:
158 °C

Additional information

One experimental study (CRTL, 2009) with reliability 1 according to Klimisch was available and was selected as key study. Flash point was determined according to the regulation (EC) n°440/2008, A.9.

The cup of the apparatus was filled with the sample. The heat was supplied at a constant rate 5 to 6°C/min with stirring at 120 rpm.

The tests were performed with a temperature ramp beginning at a predetermined temperature.

The determined flash point (closed cup) was 158°C at 1005 hPa.