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Physical & Chemical properties

Flash point

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Reference
Endpoint:
flash point, other
Remarks:
Determination of flash point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
20 Feb. 2017 to 02 Mar 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Version / remarks:
EU-Method A.9 ”Flash point“ dated 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
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. 5, 2009, Method 32.4 “Test methods used for determining flash point and viscosity”
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
Flash point:
295.5 °C
Remarks on result:
other: Atm. pressure not specified

Pre-Test for Safety

A small amount of the test item was heated in a test tube in an aluminium block with a Bunsen Burner.

Temp.

Observation

55 °C

Single bubbles were observed

260 °C

No more bubbles were observed

276 °C

One bubble was observed

300 °C

One little bubble was observed

320 °C

One little bubble was observed

330 °C

Occasional bubbles were observed

350 °C

More bubbles were observed, colour light yellow, continuous more and more yellow

445 °C

A boiling chain was observed

364 °C

The chain broke

After cooling down the colour changed into yellow-brown.

 

Determination of the Flash Point

The results of the determinations are presented in the following table

Program

Expected flash point (setting) in °C

Flash point (found) in °C

Mean in °C

Notes

Search

365

256.1

 

Not used for calculation (pre-test)

EN ISO 2719-A

256

260.5

259.5

Difference 2 K

EN ISO 2719-A

256

258.5

 

Interpretation of results:
GHS criteria not met
Conclusions:
The flash point is given as the mean value of the duplicate determination. The measured flash point is therefore 259.5 ± 1.0 °C (corresponding to 532.7 ± 1.0 K).
Executive summary:

The study was performed in order to determine the flash point of Hatcol 3178.

 

The flash point is a physico-chemical property which is needed for hazard assessment and safety purposes. The flash point of a volatile liquid is the lowest temperature at which it can vaporize to form an ignitable mixture in air. The test item was placed in a test vessel and heated to the test temperature in a Pensky-Martens apparatus. Ignition trials were carried out in order to ascertain whether or not the sample flashed at the test temperature.

 

First, a safety test was performed.

A small amount of the test item was heated in a test tube in an aluminium block with a Bunsen burner. A boiling chain was observed at 445 °C. The chain broke at 364°C. After cooling down the colour changed into yellow-brown.

Then, a pre-test and a main test with two experiments were performed using a flashpoint tester.

The flashpoint of Hatcol 3178 is stated as 259.5 ± 1.0°C (corresponding to 532.7 ± 1.0 K).

This value is the mean value of two independent determinations.

Description of key information

The flashpoint of Hatcol 3178 is stated as 259.5 ± 1.0°C (corresponding to 532.7 ± 1.0 K).

Key value for chemical safety assessment

Flash point at 101 325 Pa:
295.5 °C

Additional information

The test item was placed in a test vessel and heated to the test temperature in a Pensky-Martens apparatus. Ignition trials were carried out in order to ascertain whether or not the sample flashed at the test temperature.

A small amount of the test item was heated in a test tube in an aluminium block with a Bunsen burner. A boiling chain was observed at 445 °C. The chain broke at 364°C. After cooling down the colour changed into yellow-brown.

Then, a pre-test and a main test with two experiments were performed using a flashpoint tester.

The flashpoint of Hatcol 3178 is stated as 259.5 ± 1.0°C (corresponding to 532.7 ± 1.0 K).

This value is the mean value of two independent determinations.