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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:
15 September 2016 to 19 September 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
equilibrium method closed cup
Flash point apparatus:
Setaflash apparatus
Specific details on test material used for the study:
PERFORMANCE OF THE TEST
- An aliquot of test item (2 mL for temperatures up to 100 °C and 4mL for temperatures above 100 °C) was transferred to the sample cup of the Setaflash 30000-0 tester.
- The sample was heated and allowed to equilibrate at the set temperature.
- The test flame was introduced into the sample cup for approximately 2.5 seconds by sliding the cup shutter open.
- Observations were made for ignition of the vapour.
- If no ignition occurred, the temperature was increased and the test flame was re-introduced.
- The procedure was repeated until the lowest reproducible temperature at which flash occurred using a fresh sample was determined.

CALCULATION
- The flash point is the lowest temperature at 101.3 kPa at which the test liquid in a closed test vessel evolves vapours, under the conditions defined in the test method, in such an amount that a flammable vapour/air mixture is produced in the test vessel.
- The flash point was corrected for atmospheric pressure using the equation Corrected flash point = C + 0.23 (101.325 – p) where C = observed flash point (°C) and p = ambient atmospheric pressure (kPa).
Key result
Flash point:
232 °C
Remarks on result:
other: experimental result was corrected for atmospheric pressure

RESULTS

- Results of the flash point determination are shown in Table 1 (below).

 

TABLE 1 – RESULTS OF FLASH POINT DETERMINATION

Test temperature (°C)

Observations

25.0

No flash

30.0

No flash

35.0

No flash

40.0

No flash

45.0

No flash

50.0

No flash

55.0

No flash

60.0

No flash

65.0

No flash

70.0

No flash

75.0

No flash

75.0 (fresh sample)

No flash

80.0

No flash

85.0

No flash

90.0

No flash

95.0

No flash

100.0

No flash

105.0 (fresh sample)

No flash

110.0

No flash

115.0

No flash

120.0

No flash

125.0

No flash

130.0

No flash

135.0

No flash

140.0

No flash

145.0

No flash

150.0

No flash

155.0

No flash

155.0 (fresh sample)

No flash

160.0

No flash

165.0

No flash

170.0

No flash

175.0

No flash

180.0

No flash

185.0

No flash

190.0

No flash

195.0

No flash

200.0

No flash

205.0

No flash

205.0 (fresh sample)

No flash

210.0

No flash

215.0

No flash

220.0

No flash

225.0

No flash

230.0

No flash

235.0

No flash

240.0

No flash

245.0

No flash

250.0

No flash

255.0

No flash

255.0 (fresh sample)

A blue flash spread across the sample cup

250.0 (fresh sample)

A blue flash spread across the sample cup

245.0 (fresh sample)

A blue flash spread across the sample cup

240.0 (fresh sample)

A blue flash spread across the sample cup

235.0 (fresh sample)

A blue flash spread across the sample cup

230.0 (fresh sample)

No flash

231.0 (fresh sample)

No flash

232.0 (fresh sample)

A blue flash spread across the sample cup

232.0 (fresh sample)

A blue flash spread across the sample cup

230.0 (fresh sample)

No flash

Atmospheric pressure: 102.1 kPa

Corrected flash point: 231.8°C

Interpretation of results:
GHS criteria not met
Conclusions:
The flash point of the test item was determined to be 232 ± 2 °C using the closed cup equilibrium method.
Executive summary:

GUIDELINE

The determination was carried out using a closed cup Setaflash 30000-0 flash point tester and was designed to be compatible with Method A.9 Flash Point of Commission Regulation (EC) No 440/2008 of 30 May 2008.

 

RESULTS

The flash point of the test item was determined to be 232 ± 2 °C using the closed cup equilibrium method.

Description of key information

The flash point of the test item was determined to be 232 ± 2 °C using the closed cup equilibrium method (EU Method A.9).

Key value for chemical safety assessment

Flash point at 101 325 Pa:
232 °C

Additional information

GUIDELINE

The determination was carried out using a closed cup Setaflash 30000-0 flash point tester and was designed to be compatible with Method A.9 Flash Point of Commission Regulation (EC) No 440/2008 of 30 May 2008.

 

RESULTS

The flash point of the test item was determined to be 232 ± 2 °C using the closed cup equilibrium method.