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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 2017-06-13 to 2017-06-27
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:
EPA OPPTS 830.6315 (Flammability)
Deviations:
no
Qualifier:
according to
Guideline:
other: UN manual, method 32.4 "Test methods used for determining flash points and viscosity" (Rev. 6, 2015)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
non-equilibrium method closed cup
Flash point apparatus:
Pensky-Martens apparatus
Key result
Flash point:
39 °C
Atm. press.:
1 013.25 hPa

Pre-Test for Safety

Formation of the bubbles was visible at 128 °C. The bubble chain was observed at 148 °C and the chain broke at 139.9 °C. The appearance had visually not changed after cooling down.

Determination of the Flash Point

The results of the determinations are presented in the following tables.

Table 1: Findings

Program Expected flash point (setting)
in °C
Flash point (found)
in °C
Mean
in °C
Notes
Search 140 40.9   not used for calculation (pre-test)
EN ISO 2719-A* 41 38.5 39.0 difference < 2 K
EN ISO 2719-A* 41 39.5

* The measurements were started at 23 °C (read from the display of the Flash Point Tester PMA 5).

Interpretation of results:
Category 3 (flammable liquids) based on GHS criteria
Conclusions:
The flash point of the test item was determined to be 39.0 ± 0.5 °C (corresponding to 312.2 ± 0.5 K).
Executive summary:

A study was performed according to EU method A.9, OPPTS 830.6315 and UN manual, method 32.4 in order to determine the flash point of the test item using the Pensky-Martens closed cup non-equilibrium method. A flash point tester was used for determination. After filling the clean test vessel with test item, the program was started. After the first determination, the test was repeated (two determinations).

The flash point of the test item was determined to be 39.0 ± 0.5 °C at 1013.25 hPa (corresponding to 312.2 ± 0.5 K).

Description of key information

The flash point of the test item was determined to be 39.0 ± 0.5 °C (corresponding to 312.2 ± 0.5 K).

Key value for chemical safety assessment

Flash point at 101 325 Pa:
39 °C

Additional information

A study was performed according to EU method A.9, OPPTS 830.6315 and UN manual, method 32.4 in order to determine the flash point of the test item using the Pensky-Martens closed cup non-equilibrium method (reference 4.11-1). A flash point tester was used for determination. After filling the clean test vessel with test item, the program was started. After the first determination, the test was repeated (two determinations).

The flash point of the test item was determined to be 39.0 °C at 1013.25 hPa (corresponding to 312.2 ± 0.5 K).