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EC number: 267-104-8 | CAS number: 67800-80-0
- 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
- Endpoint:
- auto-ignition temperature (liquids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2018-2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Deviations:
- yes
- Remarks:
- The Zündwertprüfer 10-212-000 instrument works with a program according to DIN EN14522. (norm not mentioned) It is possible that more ignition trials will be conducted using the EN 14522 because of 5°C steps instead of 2°C. (uncritical).
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Methyl 2-[(2-methylundecylidene)amino]benzoate
- EC Number:
- 267-104-8
- EC Name:
- Methyl 2-[(2-methylundecylidene)amino]benzoate
- Cas Number:
- 67800-80-0
- Molecular formula:
- C20H31NO2
- IUPAC Name:
- methyl 2-[(2-methylundecylidene)amino]benzoate
- Test material form:
- liquid
Constituent 1
Results and discussion
Auto-ignition temperature (liquids / gases)
- Key result
- Auto-ignition temperature:
- >= 300 °C
- Atm. press.:
- >= 998.8 - <= 1 008.9 mBar
Any other information on results incl. tables
1.1
The ignition attempts of the first test series of the main determination are presented in the following table.
Table8.3‑a Ignition attempts first test series
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|||||
°C |
°C |
# |
yes/no |
|
|||||
445.5 |
445.7 |
5 |
yes |
Flame and Plop |
|||||
440.5 |
440.4 |
5 |
yes |
Flame and Plop |
|||||
435.5 |
435.5 |
5 |
yes |
Flame and Plop |
|||||
430.5 |
430.7 |
5 |
yes |
Flame and Plop |
|||||
425.5 |
425.6 |
5 |
yes |
Flame and Plop |
|||||
420.5 |
420.4 |
5 |
yes |
Flame and Plop |
|||||
415.5 |
415.7 |
5 |
no |
Smoke |
|||||
415.5 |
415.4 |
7 |
no |
Smoke |
|||||
415.5 |
415.7 |
9 |
yes |
Flame and Plop |
|||||
413.5 |
413.7 |
5 |
yes |
Flame and Plop |
|||||
411.5 |
411.7 |
5 |
yes |
Flame and Plop |
|||||
409.5 |
409.7 |
5 |
yes |
Flame and Plop |
|||||
407.5 |
407.5 |
5 |
no |
Smoke |
|||||
407.5 |
408.0 |
7 |
no |
Smoke |
|||||
407.5 |
407.6 |
9 |
no |
Smoke |
|||||
407.5 |
407.5 |
13 |
no |
Smoke |
|||||
Result given by the instrument |
|
||||||||
- |
409.41 |
5 |
yes after 21 seconds |
|
|
||||
*The selected temperature was suggested automatically by the Zündwertprüfer.
All ignition trials were conducted on 04. Dec. 2018 (atmospheric pressure during the trials 998.8 mbar). Lowest value of the first test series is 409.41 °C, the drops, which needed, are 5 and the time until the ignition was detected, are 21 seconds.
1.1
The ignition attempts of the second test series of the main determination are presented in the following table.
Table8.4‑a Ignition attempts second test series
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|||||
°C |
°C |
# |
yes/no |
|
|||||
429.4 |
429.5 |
5 |
yes |
Flame and Plop |
|||||
424.4 |
424.7 |
5 |
yes |
Flame and Plop |
|||||
419.4 |
420.0 |
5 |
yes |
Flame and Plop |
|||||
414.4 |
414.0 |
5 |
yes |
Flame and Plop |
|||||
409.4 |
409.5 |
5 |
no |
Smoke |
|||||
409.4 |
409.2 |
7 |
yes |
Flame and Plop |
|||||
407.4 |
407.4 |
7 |
no |
Smoke |
|||||
407.4 |
407.7 |
13 |
no |
Smoke |
|||||
407.4 |
407.5 |
9 |
no |
Smoke |
|||||
407.4 |
407.7 |
5 |
no |
Smoke |
|||||
Result given by the instrument |
|
||||||||
- |
410.04 |
7 |
yes after 12 seconds |
|
|
||||
*The selected temperature was suggested automatically by the Zündwertprüfer.
The ignition trials were conducted on 05. Dec. 2018 (atmospheric pressure during the trials 1008.9 mbar).
Lowest value of the second test series is 410.04 °C, the drops, which needed, are 7 and the time until the ignition was detected, are 12 seconds.
1.1
The ignition attempts of the third test series of the main determination are presented in the following table.
Table8.5‑a Ignition attempts third test series
Selected T* |
T Vessel |
Drops used |
Ignition? |
Observations |
|||||
°C |
°C |
# |
yes/no |
|
|||||
430.0 |
430.1 |
5 |
yes |
Flame and Plop |
|||||
425.0 |
425.2 |
5 |
yes |
Flame and Plop |
|||||
420.0 |
420.2 |
5 |
yes |
Flame and Plop |
|||||
415.0 |
414.8 |
5 |
yes |
Flame and Plop |
|||||
410.0 |
410.2 |
5 |
no |
Smoke |
|||||
410.0 |
410.4 |
7 |
no |
Smoke |
|||||
410.0 |
410.2 |
9 |
yes |
Flame and Plop |
|||||
408.0 |
408.1 |
9 |
yes |
Flame and Plop |
|||||
406.0 |
405.8 |
9 |
no |
Smoke |
|||||
406.0 |
406.3 |
13 |
yes |
Flame and Plop |
|||||
404.0 |
404.2 |
13 |
no |
Smoke |
|||||
404.0 |
404.1 |
5 |
no |
Smoke |
|||||
404.0 |
404.2 |
7 |
no |
Smoke |
|||||
404.0 |
404.0 |
9 |
no |
Smoke |
|||||
Result given by the instrument |
|
||||||||
- |
406.12 |
13 |
yes after 20 seconds |
|
|
||||
*The selected temperature was suggested automatically by the Zündwertprüfer.
All ignition trials were conducted on 06. Dec. 2018 (atmospheric pressure during the trials 1002.6 mbar). Lowest value of the third test series is 406.12 °C, the drops, which needed, are 13 and the time until the ignition was detected, are 20 seconds.
1.1
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:
Table9.1‑a Lowest Values Main Test
Experiment |
Value (rounded to integer) |
Ignition delay |
Drops used |
First test series |
409 °C |
21 s |
5 |
Second test series |
410 °C |
12 s |
7 |
Third test series |
406 °C |
20 s |
13 |
The lowest value of the auto ignition temperature is 406 °C. This value was determined using 13 drops test item. The test item showed auto ignition after 20 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 405 °C.
1.2
In the DIN, the following limits are applied to the range of lowest values which may be used for evaluation:
Table9.2‑a 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 measuredignitiontemperatures was 4 K.
1 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.
2 Deviations
2.1 Deviations from the Study Plan
No deviations from the study plan were ascertained.
2.2 Deviations from the Guideline
The following deviation from the Guideline was ascertained:
TheZündwertprüfer 10-212-000instrument 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.
Applicant's summary and conclusion
- Conclusions:
- The lowest value of the auto ignition temperature is 406 °C. This value was determined using 13 drops test item. The test item showed auto ignition after 20 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 405 °C. - Executive summary:
Theauto ignition temperaturewas determined in three independent determinations. A lowest value of the main test of 406 °C was found.
Therefore, the auto-ignition temperature according to EU A.15 (rounded down to a whole multiple of 5 °C) ofMethyl 2-[(2-methylundecylidene)amino]benzoateis stated as 405 °C.
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