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Flash point

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Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22-07-2019 to 18-10-2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study performed under GLP. All relevant validity criteria were met.
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ASTM D3278 (Standard test methods for flash point of liquids by small scale closed-cup apparatus)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
inspected: August 2018 ; signature: November 2018
Type of method:
equilibrium method closed cup
Flash point apparatus:
Setaflash apparatus
Flash point:
142 °C
Atm. press.:
101.325 kPa
Remarks on result:
other: 142 ± 2 °C ; Determination corrected to 101.325 kPa (conducted at 101.3 kPa)
Interpretation of results:
GHS criteria not met
Remarks:
Criteria used for interpretation of results: EU
Conclusions:
The flash point of the test item ST 08 C 19 has been determined to be 142 ± 2 °C at 101.325 kPa.
Executive summary:

The flash point was determined using EU Method A.9 closed cup equilibrium method under GLP. An aliquot of the test item was transferred to the sample cup of the Setaflash tester. The sample was heated and allowed to equilibrate at the set temperature. The test flame was introduced into the sample cup for approximately 2½ 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 re-introduced. This was repeated until the lowest reproducible temperature at which a flash occurred, using a fresh sample, was determined. The results indicated are representative of the replicated (n ≥ 2) lowest temperature at which the test item (measured under the conditions of this study) causes the vapour of the liquid to ignite momentarily. Measurements were corrected to 101.325 kPa pressure. The flash point of the test substance has been determined to be 142 ± 2 °C at 101.325 kPa.

Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 April 2021
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study performed under GLP. All relevant validity criteria were met.
Reason / purpose for cross-reference:
reference to other study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
not specified
GLP compliance:
yes (incl. QA statement)
Remarks:
Signature : July 2021
Type of method:
equilibrium method closed cup
Flash point apparatus:
Setaflash apparatus
Key result
Flash point:
135 °C
Atm. press.:
ca. 101.3 kPa
Remarks on result:
other: +/- 2°C

Results:


Results of the flash point determination are shown in the following table:









































































































































Temperature (ºC)Observations
25.0No flash
30.0No flash
35.0No flash
40.0No 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
135.0A yellow-blue flame flashed across cup
135.0 (fresh sample)A yellow-blue flame flashed across cup
130.0 (fresh sample) No flash
131.0 (fresh sample) No flash
132.0 (fresh sample) No flash
133.0 (fresh sample) No flash
134.0 (fresh sample) No flash
135.0 (fresh sample)A yellow-blue flame flashed across cup
133.0 (fresh sample) No flash

 


Atmospheric pressure = 102.4 kPa
Observed flash point = 135.0 °C
Corrected flash point = 134.8 °C

Interpretation of results:
GHS criteria not met
Remarks:
Criteria used for interpretation of results : EU
Conclusions:
The flash point of the test item ST 04 C 21 has been determined to be 135 ± 2 °C.
Executive summary:

The flash point of the test item has been determined to be 135 + 2 °C, using a closed cup equilibrium method designed to be compatible with Method A.9 Flash Point of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Description of key information

Weight of evidence : The flash-point of the substance is 135 ± 2 °C at 101.3 kPa atmospheric pressure, EU Method A.9, 2019.


1. FP: 142 ± 2 °C at 101.3 kPa atmospheric pressure, EU Method A.9, 2019


2. FP: 135 ± 2 °C at 101.3 kPa atmospheric pressure, EU Method A.9, 2019


 

Key value for chemical safety assessment

Flash point at 101 325 Pa:
135 °C

Additional information

Key study : EU Method A.9, 2019 : The flash point was determined using EU Method A.9 closed cup equilibrium method under GLP. An aliquot of the test item was transferred to the sample cup of the Setaflash tester. The sample was heated and allowed to equilibrate at the set temperature. The test flame was introduced into the sample cup for approximately 2½ 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 re-introduced. This was repeated until the lowest reproducible temperature at which a flash occurred, using a fresh sample, was determined. The results indicated are representative of the replicated (n ≥ 2) lowest temperature at which the test item (measured under the conditions of this study) causes the vapour of the liquid to ignite momentarily. Measurements were corrected to 101.325 kPa pressure. The flash point of the test substance has been determined to be 142 ± 2 °C at 101.325 kPa.


Key study : EU Method A.9, 2021 : The flash point was determined using EU Method A.9 closed cup equilibrium method under GLP. An aliquot of the test item was transferred to the sample cup of the Setaflash tester. The sample was heated and allowed to equilibrate at the set temperature. The test flame was introduced into the sample cup for approximately 2½ 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 re-introduced. This was repeated until the lowest reproducible temperature at which a flash occurred, using a fresh sample, was determined. The results indicated are representative of the replicated (n ≥ 2) lowest temperature at which the test item (measured under the conditions of this study) causes the vapour of the liquid to ignite momentarily. Measurements were corrected to 101.325 kPa pressure. The flash point of the test substance has been determined to be 135 ± 2 °C at 101.325 kPa.


Conclusion: The substance flash-point is 135°C at 101.325 kPa.