Registration Dossier
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EC number: 433-730-7 | CAS number: 23926-51-4 L-THREONINETHYLESTER
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:
- 2007.09.31-2008.04.21
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study performed in accordance with recognized test guidance.
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.16 (Relative Self-Ignition Temperature for Solids)
- Deviations:
- no
- Principles of method if other than guideline:
- ASTM-E 659-78
- GLP compliance:
- yes
- Relative self-ignition temperature:
- > 400 °C
- Remarks on result:
- no self ignition observed under the test conditions
- Conclusions:
- No self-ignition (autoflammability) was observed during heating of L-TEE to 400°C
- Executive summary:
The Auto Flammability of L-TEE was observed in accordance with EU Method A.16.
L-TEE was heated to 400 °C. During heating the temperature of the sample and oven remained similar. A small drop in temperature was observed at 50°C, which coinced with the melting point of L-TEE. Between 70°C and 140°C the temperature of L:TEEe was slightly higher than that of the oven. During the remainder of the test the oven and samples temperature were virtually identical.
No relative self-ignition of L-TEE was observed up to 400 °C.
Reference
The sample did not self-heat during the test and consequently the measured temperatures of the sample and the oven remained similar throughout the heating program. The sample temperature showed a slight reduction at approximately 50°C, which coincided with the known value of L-TEE’s melting point (54-56 °C). Between 70°C and 140°C the temperature of the sample was slightly higher than that of the oven and then the oven and samples temperature were virtually identical for the remainder of the test. Had the sample ignited a sharp temperature rise above the oven temperature it would have been observed.
The L-TEE was white powder before heating and afterwards a small amount of black charred residue on the base plate of the sample holder was observed.
Description of key information
No relative self-ignition of L-TEE was observed up to 400°C.
Key value for chemical safety assessment
Additional information
The Auto Flammability of L-TEE was observed in accordance to EU Method A.16.
L-TEE was heated to 400 °C. During heating the temperature of the sample and oven remained similar. A small drop in temperature was observed at 50°C, which coinced with the melting point of L-TEE. Between 70°C and 140°C the temperature of L-TEE was slightly higher than that of the oven. During the remainder of the test, the oven and samples temperature were virtually identical.
No relative self-ignition of L-TEE was observed up to 400 °C.
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