Registration Dossier
Registration Dossier
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EC number: 205-521-9 | CAS number: 142-09-6
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-flammability
- Type of information:
- read-across based on grouping of substances (category approach)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Secondary literature, peer reviewed handbook data
- Justification for type of information:
- Read across from the n-Butyl methacrylate category member donor substance.
REPORTING FORMAT FOR THE CATEGORY APPROACH
see attached category document
PM_Lower Alkyl (C1-C8) Methacrylates
The esters of the Lower Alkyl (C1-C8) Methacrylate category are a group of substances that show structurally related trends in physical chemical, toxicological and ecotoxicological properties. All members share a common chemical reactivity and biological properties that enable interpolation and read across between category members for many endpoints. - Qualifier:
- according to guideline
- Guideline:
- other: not known
- Principles of method if other than guideline:
- other
- GLP compliance:
- not specified
- Auto-ignition temperature:
- 294 °C
- Atm. press.:
- 1 013 hPa
- Remarks on result:
- other: pressure: no data, atmospheric press. assumed
- Conclusions:
- A reliable handbook value for auto-ignition temperature of 294 °C is reported.
- Executive summary:
A reliable handbook value for auto-ignition temperature of 294 °C is reported.
- Endpoint:
- auto-flammability
- Type of information:
- read-across based on grouping of substances (category approach)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Handbook data. Basic information given.
- Justification for type of information:
- Read across from the n-Butyl methacrylate category member donor substance.
REPORTING FORMAT FOR THE CATEGORY APPROACH
see attached category document
PM_Lower Alkyl (C1-C8) Methacrylates
The esters of the Lower Alkyl (C1-C8) Methacrylate category are a group of substances that show structurally related trends in physical chemical, toxicological and ecotoxicological properties. All members share a common chemical reactivity and biological properties that enable interpolation and read across between category members for many endpoints. - Qualifier:
- according to guideline
- Guideline:
- other: not known
- Principles of method if other than guideline:
- The editors of the handbook stated that the values given were measured at ambient atmospheric pressure (1013 hPa). Therefor we assume that the value of auto flammability is a measured value.
- GLP compliance:
- not specified
- Auto-ignition temperature:
- 290 °C
- Atm. press.:
- 1 013 hPa
- Remarks on result:
- other: atmospheric pressure 1013 hPa
- Conclusions:
- A reliable handbook value for auto-flammability is 290 °C at 1013 hPa.
- Executive summary:
A reliable handbook value for auto-flammability is 290 °C at 1013 hPa.
- Endpoint:
- auto-flammability
- Type of information:
- read-across based on grouping of substances (category approach)
- Adequacy of study:
- weight of evidence
- Reliability:
- 1 (reliable without restriction)
- Justification for type of information:
- Read across from the 2 Ethylhexyl methacrylate category member donor substance.
REPORTING FORMAT FOR THE CATEGORY APPROACH
see attached category document
PM_Lower Alkyl (C1-C8) Methacrylates
The esters of the Lower Alkyl (C1-C8) Methacrylate category are a group of substances that show structurally related trends in physical chemical, toxicological and ecotoxicological properties. All members share a common chemical reactivity and biological properties that enable interpolation and read across between category members for many endpoints. - Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- GLP compliance:
- yes (incl. QA statement)
- Auto-ignition temperature:
- 250 °C
- Atm. press.:
- >= 1 010 - <= 1 013 hPa
- Remarks on result:
- other:
- Conclusions:
- In a valid guideline study the self-ignition temperature of the test item is 250 °C.
- Executive summary:
In a valid guideline study the self-ignition temperature of the test item is 250 °C.
Referenceopen allclose all
The pressure at which this auto flammability measure was obtained is not specified in the report.
Preliminary test: The lowest self-ignition temperature was determined to be 258 oC.
Main test: The following table shows the results of the three principal tests. Temperatures, where self-ignition (+) was detected and where not (-). The amount of test item tested at each measurement is indicated as numbers of drops.
1. Principal test |
1. Principal test (continued) |
2. Principal test |
||||||
Barometric pressure at 1013.3 hPa |
Barometric pressure at 1012.3 hPa |
Barometric pressure at 1010.8 hPa |
||||||
T/oC |
drops |
+/- |
T/oC |
drops |
+/- |
T/oC |
drops |
+/- |
258 |
5 |
+ |
248 |
3 |
- |
253 |
5 |
+ |
253 |
5 |
- |
248 |
4 |
- |
248 |
8 |
- |
253 |
10 |
- |
248 |
5 |
- |
248 |
9 |
- |
253 |
2 |
- |
248 |
6 |
- |
248 |
10 |
- |
253 |
3 |
- |
248 |
8 |
- |
248 |
4 |
- |
253 |
8 |
+ |
248 |
9 |
- |
248 |
3 |
- |
248 |
8 |
- |
248 |
7 |
- |
|||
248 |
7 |
- |
248 |
2 |
- |
|||
248 |
9 |
- |
248 |
1 |
- |
|||
248 |
10 |
- |
248 |
5 |
- |
|||
248 |
2 |
- |
248 |
6 |
- |
|||
248 |
1 |
- |
248 |
8 |
- |
|||
3. Principal test |
||
Barometric pressure at 1011.0 hPa |
||
T/oC |
drops |
+/- |
253 |
8 |
+ |
248 |
8 |
- |
248 |
9 |
- |
248 |
7 |
- |
248 |
10 |
- |
248 |
6 |
- |
248 |
5 |
- |
248 |
7 |
- |
248 |
1 |
- |
248 |
2 |
- |
248 |
3 |
- |
248 |
4 |
- |
248 |
8 |
- |
The self-ignition temperature of the test item is 250 oC.
Description of key information
For the endpoint auto flammability data of two source chemicals n-BMA and 2 -EHMA are available.
The auto flammability is reported to be 250°C for 2 -EHMA and 290°C (294°C) for nBMA,
thus the auto flammebility of n-HMA is predicted to be higher than 250°C.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 250 °C
Additional information
For the endpoint auto flammability data of two source chemicals n-BMA and 2 -EHMA are available.
The auto flammability is reported to be 250°C for 2 -EHMA and 290°C (294°C) for nBMA,
thus the auto flammebility of n-HMA is predicted to be higher than 250°C.
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