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EC number: 701-357-1 | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-ignition temperature (liquids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 22 October 2018 to 25 October 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Deviations:
- yes
- Remarks:
- Deviations were considered as uncritical by the study author
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Auto-ignition temperature:
- ca. 380 °C
- Atm. press.:
- ca. 101 325 Pa
- Conclusions:
- Under the study conditions, the auto-ignition temperature of the test substance was determined to be 380°C.
- Executive summary:
A study was conducted to determine the auto-ignition temperature of the test substance, C12-14 HEDMAC ( 39.6% active), according to the EU A.15 Method, in compliance with GLP. The auto ignition temperature was determined in three independent determinations. A lowest value of the main test was determined to be 380°C. Under the study conditions, the auto-ignition temperature of the test substance was determined to be 380°C (Krebs, 2018).
Reference
Findings
Determination of the viscosity
The test substance was visually compared with the standard liquid Viscosity (50 mPa*s).The viscosity of the test substance was below 50 mPa/s.
Pre-Determination
Ignition range for pre-test 1
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|
°C |
°C |
# |
yes/no |
|
|
200 |
200.4 |
5 |
no |
Smoke |
|
300 |
300.2 |
5 |
no |
Smoke |
|
400 |
400.3 |
5 |
yes |
Plop |
|
Result given by the instrument |
|||||
- |
400.39 |
5 |
yes |
|
|
The ignition attempts of the pre-determination program are presented in the following table.
Ignition attempts pre-test 2
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|
°C |
°C |
# |
yes/no |
|
|
300 |
300.2 |
5 |
no |
Smoke |
|
320 |
319.9 |
5 |
no |
Smoke |
|
340 |
340.2 |
5 |
no |
Smoke |
|
360 |
359.9 |
5 |
no |
Smoke |
|
380 |
380.4 |
5 |
yes |
Plop |
|
Result given by the instrument |
|||||
- |
385.11 |
5 |
yes |
|
|
*The
temperature was selected at the Zündwertprüfer 10-212-000 corresponding
to an initial oventemperature
of 300°C. Using a constant
heating rate, the subsequent ignition trials were conducted every 20 ± 5
K. The ignition trials were
conducted on 22. Oct. 2018. Atmospheric
pressure during the pre-test was1011.9
mbar.
First Test Series
The ignition attempts of the first test series of the main determination are presented in the following table.
Ignition attempts first test series
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|||||
°C |
°C |
# |
yes/no |
|
|||||
390.1 |
390.5 |
5 |
yes |
Plop |
|||||
385.1 |
384.9 |
5 |
no |
Smoke |
|||||
385.1 |
385.2 |
7 |
no |
Smoke |
|||||
385.1 |
385.1 |
9 |
yes |
Plop |
|||||
383.1 |
383.4 |
9 |
yes |
Plop |
|||||
381.1 |
380.8 |
9 |
no |
Smoke |
|||||
381.1 |
380.9 |
7 |
no |
Smoke |
|||||
381.1 |
381.4 |
5 |
no |
Smoke |
|||||
381.1 |
381.0 |
13 |
yes |
Plop |
|||||
379.1 |
379.4 |
13 |
no |
Smoke |
|||||
379.1 |
379.2 |
9 |
yes |
Plop |
|||||
377.1 |
377.3 |
9 |
no |
Smoke |
|||||
377.1 |
377.4 |
13 |
no |
Smoke |
|||||
377.1 |
377.2 |
7 |
no |
Smoke |
|||||
377.1 |
376.8 |
5 |
no |
Smoke |
|||||
Result given by the instrument |
|
||||||||
- |
379.79 |
9 |
yes after 84 seconds |
|
|
||||
*The selected temperature was suggested automatically by the ZPA3. The ignition trials were conducted on 22. Oct. 2018 (atmospheric pressure during the trials 1011.9 mbar) and the other ones on 23. Oct. 2018 (atmospheric pressure during the trials 1012.2 mbar. Lowest value of the first test series is 379.79 °C, the drops, which needed, are 9 and the time until the ignition was detected, are 84 seconds.
Second Test Series
The ignition attempts of the second test series of the main determination are presented in the following table.
Ignition attempts second test series
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|||||
°C |
°C |
# |
yes/no |
|
|||||
399.8 |
400.1 |
5 |
yes |
Plop |
|||||
394.8 |
394.7 |
5 |
no |
Smoke |
|||||
394.8 |
394.9 |
7 |
yes |
Plop |
|||||
392.8 |
393.1 |
7 |
yes |
Plop |
|||||
390.8 |
390.6 |
7 |
yes |
Plop |
|||||
388.8 |
388.9 |
7 |
yes |
Plop |
|||||
386.8 |
387.2 |
7 |
yes |
Plop |
|||||
384.8 |
385.1 |
7 |
yes |
Plop |
|||||
382.8 |
382.8 |
7 |
no |
Smoke |
|||||
382.8 |
382.9 |
9 |
no |
Smoke |
|||||
382.8 |
382.7 |
13 |
no |
Smoke |
|||||
382.8 |
382.5 |
5 |
no |
Smoke |
|||||
Result given by the instrument |
|
||||||||
- |
384.71 |
7 |
yes after 67 seconds |
|
|
||||
*The selected temperature was suggested automatically by the ZPA3. All the ignition trials were conductedon 24. Oct. 2018 (atmospheric pressure during the trials 1005.5 mbar). Lowest value of the second test series is 384.71°C, the drops, which needed, are 7 and the time until the ignition was detected, are 67 seconds.
Third Test Series
The ignition attempts of the third test series of the main determination are presented in the following table.
Ignition attempts third test series
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|||||
°C |
°C |
# |
yes/no |
|
|||||
404.7 |
405.1 |
5 |
yes |
Plop |
|||||
399.7 |
400.0 |
5 |
yes |
Plop |
|||||
394.7 |
395.1 |
5 |
no |
Smoke |
|||||
394.7 |
394.5 |
7 |
no |
Smoke |
|||||
394.7 |
395.0 |
9 |
yes |
Plop |
|||||
392.7 |
393.0 |
9 |
yes |
Plop |
|||||
390.7 |
390.7 |
9 |
yes |
Plop |
|||||
388.7 |
388.6 |
9 |
yes |
Plop |
|||||
386.7 |
387.1 |
9 |
no |
Smoke |
|||||
386.7 |
386.8 |
13 |
yes |
Plop |
|||||
384.7 |
385.0 |
13 |
yes |
Plop |
|||||
382.7 |
383.0 |
13 |
no |
Smoke |
|||||
382.7 |
382.6 |
9 |
no |
Smoke |
|||||
382.7 |
382.7 |
7 |
no |
Smoke |
|||||
382.7 |
383.0 |
5 |
no |
Smoke |
|||||
Result given by the instrument |
|
||||||||
- |
385.21 |
13 |
yes after 39 seconds |
|
|
||||
*The selected temperature was suggested automatically by the ZPA3. All the ignition trials were conductedon 25. Oct. 2018 (atmospheric pressure during the trials 1004.3 mbar). Lowest value of the third test series is 385.21 °C, the drops, which needed, are 13 and the time until the ignition was detected, are 39 seconds.
Result and Validity
Result
The requirements for repeatability of the DIN standard are stated as follows: Three lowest values of the main test have to lie within a range of 10 K (if auto ignition temperature is above 300 °C).
The following lowest values were recorded:
Lowest Values Main Test
Experiment |
Value (rounded to integer) |
Ignition delay |
Drops used |
First test series |
380 °C |
84 s |
9 |
Second test series |
385 °C |
67 s |
7 |
Third test series |
385 °C |
39 s |
13 |
The lowest value of the auto ignitiontemperature is 380 °C. This value was determined using 9 drops test substance. The test substance showed auto ignition after 84 seconds. The auto ignition temperature (result of determination) is the lowest value from the lowest values of the three experiments, rounded down to a whole multiple of 5 °C. Therefore, the auto ignition temperature is stated as 380 °C.
Validity
In the DIN, the following limits are applied to the range of lowest values which may be used for evaluation:
Acceptable ranges
Auto ignition temp. |
Range |
> 300 °C |
difference between three values of the main test max. 10 K |
The three lowest values of the main test lay within a range of 10 K (as required for auto ignition temperatures above 300 °C). The largest difference between measured ignition temperatures was 5 K.
Discussion
The study was conducted according to procedure and demands of EU-Method A.15 and DIN 51794. The acceptable range which is demanded in the DIN standard was fulfilled. All measured values show good correlation. No observations were made which might cause doubts concerning the validity of the study outcome.
Deviations
Deviations from the Study Plan
No deviations from the study plan were ascertained.
Deviations from the Guideline
The following deviation from the Guideline was ascertained:
The Zündwertprüfer 10-212-000 instrument works with a program according to DIN EN14522. This is a deviation from the EU-Method A.15 “Auto Ignition Temperature (liquids and gases)” as this norm is not mentioned there. An additional deviation occurs, as the method describes, that after one variation of drops the 2°C test modus will start, even when an ignition has occurred (cf. the orange mark in the schema). In the DIN method 51794 steps of 5°C are proposed in this case. As shown in the schema above the endpoint of the different guidelines is the same. It is possible that more ignition trials will be conducted using the EN 14522. Therefore, this can be considered as uncritical.
Description of key information
The self-ignition temperature of the test substance (39.6% active) was determined according to EU Method A.15 (Krebs, 2019).
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 380 °C
Additional information
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