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EC number: 213-214-6 | CAS number: 930-33-6
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:
- december 2017 - january 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.16 (Relative Self-Ignition Temperature for Solids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- Identification: Triazolone
CAS No: 930-33-6
Appearance/Physical state: White solid
Batch: 0727/16
Purity: 99%
Expiry date: 04 January 2020
Storage conditions: Room temperature in the dark - Key result
- Relative self-ignition temperature:
- < 140 °C
- Remarks on result:
- no self ignition observed under the test conditions
- Conclusions:
- The test item is not classified as a self-heating substance.
- Executive summary:
Not classified as a self heating substance, using a procedure designed to be compatible with Method N.4 of the United Nations Recommendations on the Transport of Dangerous Goods Manual of Tests and Criteria, 5th revised edition 2009 and Regulation (EC) No 1272/2008 of 16 December 2008 on Classification, Labelling and Packaging of Substances and Mixtures.
Reference
A positive result is obtained if spontaneous ignition occurs or if the temperature of the sample exceeds the oven temperature by 60 °C during the 24 hour testing time. Otherwise, the result is considered negative.
Category 1 will be assigned if a positive result is obtained using a 25 mm sample cube at 140 °C.
Category 2 will be assigned if:
a) A positive result is obtained in a test using a 100 mm sample cube at 140 °C and a negative result is obtained in a test using a 25 mm sample cube at 140 °C and the substance is to be packed in packages with a volume of more than 3 m3.
b) A positive result is obtained in a test using a 100 mm sample cube at 140 °C and a negative result is obtained in a test using a 25 mm sample cube at 140 °C, a positive result is obtained in a test using a 100 mm sample cube at 120 °C and the substance is to be packed in packages with a volume of more than 450 liters.
c) A positive result is obtained in a test using a 100 mm sample cube at 140 °C and a negative result is obtained in a test using a 25 mm sample cube at 140 °C and a positive result is obtained in a test using a 100 mm sample cube at 100 °C.
The test item will not be classified as a self-heating substance if a negative result is obtained in a test using a 100 mm cube sample at 140 °C.
The sample showed no signs of self-ignition or significant self heating over the duration of the test.
Conclusion
The test item is not classified as a self-heating substance.
Description of key information
The test item is not classified as a self-heating substance.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 140 °C
Additional information
Self ignition temperature >140°C
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