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Flash point

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Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From September 2017 to December 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ASTM D93 (Standard test methods for flash point by pensky-martens closed cup tester)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
closed cup
Flash point apparatus:
other: Eraflash flash-point tester (Eralytics, Vienna, Austria).
Specific details on test material used for the study:
- Appearance: Pink liquid
- Test item storage: At room temperature protected from light
- Purity/Composition correction factor: No correction factor required

Key result
Remarks on result:
no flash point - measurement carried out until boiling temperature

No flammable vapour/air mixture was produced at temperatures below the temperature at which boiling of the test item occurred. From this, it was concluded that the test item has no flash point.

Interpretation of results:
GHS criteria not met
Conclusions:
No flash-point was observed below the temperature at which boiling of the test item occurred.
Executive summary:

The flash-point of the test item was determined in a GLP-compliant study performed in accordance with EC A.9 Method and other standards methods, using a closed cup method. No flash-point was observed below the temperature at which boiling of the test item occurred.

Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
From 16 October 2014 to 11 November 2014
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
The study was done in accordance with EU guidance but was not GLP.
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
not applicable
Qualifier:
according to guideline
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Version / remarks:
2004
Deviations:
not applicable
GLP compliance:
no
Type of method:
equilibrium method closed cup
Key result
Flash point:
> 150 °C
Atm. press.:
1 013 hPa

The test item had no flash point up to its boiling point (150 °C at 1013 hPa) in the preliminary study; therefore the main test was not completed.

Conclusions:
DIOFB has no flash point up to its boiling point (150 °C) under atmospheric conditions (1013 hPa) according to EU Method A.9.
Executive summary:

The flash point was determined according to EU Method A.9; however the study was not GLP. Therefore, the study is considered reliable with restrictions.

Description of key information

The flash-point of the test item was determined in a GLP-compliant study performed in accordance with EC A.9 Method and other standards methods, using a closed cup method. No flash-point was observed below the temperature at which boiling of the test item occurred. A similar result was obtained in a previous non-GLP study.

Key value for chemical safety assessment

Additional information

The flash-point of the test item was investigated in a GLP-compliant study performed in accordance with standard methods, without deviations. The study is considered as reliable (Klimisch 1) and is selected as a key study for the endpoint. A non-GLP study is also reported for the endpoint and selected as supporting study (Klimisch 2).