Registration Dossier
Registration Dossier
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EC number: 274-126-1 | CAS number: 69808-32-8
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 12 FEBRUARY 2019 to 09 MAY 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.16 (Relative Self-Ignition Temperature for Solids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Relative self-ignition temperature:
- > 180 °C
- Remarks on result:
- no self-ignition observed up to the melting point
- Conclusions:
- No increase in the temperature of the sample in comparison to that of the oven could be
detected; also no signs of ignition could be observed.
The test item 1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-
oxonicotinonitrile is considered as showing no self-ignition up to the melting point of 180 °C under the test conditions.
No observations were made which might cause doubts concerning the validity of the study
outcome.
Reference
Description of key information
According to EU-Method A.16.
The auto-flammability behaviour was determined by placing the test item into a stainless steel cube and heating from room temperature to an oven temperature of 185 °C with the ZPA-3 oven.
No increase in the temperature of the sample in comparison to that of the oven could be detected, also no signs of ignition could be observed.
Therefore, the test item 1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile should be considered as “showing no self-ignition up to the melting point of 180 °C” under the test conditions.
Key value for chemical safety assessment
Additional information
No self-ignition up to the melting point of 180 °C
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