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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 11 June 2012 to 06 July 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted in compliance with international standard guidelines under GLP conditions. The study report was well documented with all mandatory information included
Reason / purpose for cross-reference:
reference to other study
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6315 (Flammability)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO No., other: 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)
Remarks:
11-04-11
Type of method:
equilibrium method closed cup
Remarks:
Pensky-Martens
Remarks on result:
other: no flash point above 103.8°C (boiling point was observed)

Results of the pre-test :

The results of the determination of the flash point are presented in the following table :

Program

Flash point
in °C

Mean
in °C

Notes

SEl

Not found

-

At 103.8 °C boiling was observed and the experiment was stopped.
No further testing was needed.

The test item showed no flash point up to the boiling point

Conclusions:
The test item showed no flash point up to the boiling point
Executive summary:

The flash point of the test item was determined according to the Method OPPTS 830.6315 "Flammability" of August 1996, UN Handbook "Recommendations on the Transport of Dangerous Goods - Manual of Test and Criteria" Rev.5, 2009, Method 32.4 "Test methods used for determining flash point and viscosity" and Method A9 "Flash Point" of Commission Regulation (EC) No 440 /2008 of 30 May 2008.

The flash point was determined with the Pensky-martens apparatus uses the equilibrium method with closed cup and electrical ignition. The flash point is internally corrected to the standard pressure.

A pre-test for security was performed in the study " Determination of the boiling point of an aqueous solution of Reaction mass of N-[2-(2-Oxoimidazolidin-1-yl)ethyl]methacrylamide and methacrylic acid according to OECD 103 resp. EU A.2". There is no signs of dangerous reactions, foaming or polymerization after cooling down and no changes of the test item had been visible during this pre-test.

About 70 ml of the liquid test item were brought into the clean test vessel. Then the test vessel was set into the instrument and the instrument was started. A pre-Test was determined in approximation, using a high heating rate and attempt of ignition every 5 K. The temperature didn’t rise above 103.8 °C and boiling of the test item was observed,but no flash point could be found.

No flash point of an aqueous solution of the test item could be detected in the pre-test up to boiling of the test item at103.8 °C.

Description of key information

The temperature didn’t rise above 103.8 °C (during the test) and boiling of the test item was observed,but no flash point could be found.

Key value for chemical safety assessment

Additional information

The experimental determination of flash point of the test item was performed according to the Method OPPTS 830.6315 "Flammability" of August 1996, UN Handbook "Recommendations on the Transport of Dangerous Goods - Manual of Test and Criteria" Rev.5, 2009, Method 32.4 "Test methods used for determining flash point and viscosity", Method A9 "Flash Point" of Commission Regulation (EC) No 440 /2008 of 30 May 2008 and GLP. No deviations of the guidelines was observed. The flash point was determined with the Pensky-martens apparatus uses the equilibrium method with closed cup and electrical ignition.