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Physical & Chemical properties

Flash point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22. May 2018 to 24. May 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: UN Manual Test Methods 32.4
Version / remarks:
UN Handbook “Recommendations on the Transport of Dangerous Goods - Manual of Tests and Criteria” Rev. 6, 2015, Method 32.4 “Test methods used for determining flash point and viscosity”
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Version / remarks:
EU-Method A.9 ”Flash point“of 30 May 2008 published on 31 May 2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6315 (Flammability)
Version / remarks:
OPPTS 830.6315 “Flammability”, dated August 1996
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
non-equilibrium method closed cup
Flash point apparatus:
Pensky-Martens apparatus
Dynamic viscosity of test material:
Not specified
Specific details on test material used for the study:
No further details specified in the study report.
Key result
Remarks on result:
no flash point - measurement carried out until boiling temperature

Pre-Test for safety

Finding pre-test

Temperature °C

Observations

73

Singular bubbles, which were into the test item, rose

115

Residual bubbles, which were into the test item. Rose

171

Singular bubbles rose

260

Colour got darker (more yellow)

281

Divers singular bubbles rose

292

Divers bubbles and colour got darker (orange)

297

Many bubbles rose and the colour got darker (brown)

313

Chain of bubbles were observed, gas burner switched off

296

Broke of the chain of bubbles were observed

 

After cooling down the test item changed the colour into dark-brown.

 

Determination of the Flash Point

The Search program was selected to 269 °C. Heating was performed up to 256.4 °C. At this temperature boiling and smoke was observed the experiment was stopped.

Under these circumstances it was not possible to determine a flash point.

Interpretation of results:
GHS criteria not met
Conclusions:
In the pre-test, no flash point could be detected.
Heating was performed up to 256.4 °C. At this temperature boiling and smoke was observed the experiment was stopped.
Therefore no main test was performed and it was not possible to determine a flash point under these circumstances.
The determination was considered valid.
Executive summary:

Determination of the flash point of Trixene AS according to EU Method A.9, OPPTS 830.6315 and UN Manual Test Methods 32.4

 

Findings and Results:

First, a safety test was performed: approx. 3 mL of the test item was heated with a Bunsen burner up to the temperature 313 °C. After cooling down the test item was dark-brown coloured.

In the pre-test, no flash point was detected.

Heating was performed up to 256.4 °C. At this temperature, boiling was observed and the experiment was stopped.

Therefore, no flash point was observed for Trixene AS.

Description of key information

No flash point was observed for Trixene AS.

Key value for chemical safety assessment

Additional information

First, a safety test was performed: approx. 3 mL of the test item was heated with a Bunsen burner up to the temperature 313 °C. After cooling down the test item was dark-brown coloured.

In the pre-test, no flash point was detected.

Heating was performed up to 256.4 °C. At this temperature, boiling was observed and the experiment was stopped.

Therefore, no flash point was observed for Trixene AS.