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Registration Dossier
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EC number: 202-795-1 | CAS number: 99-86-5
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-ignition temperature (liquids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- May - September 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- Batch number: 83100001
Purity: 91.1%
Physical state/appearance: Clear colourless liquid
Expiry date: 11 May 2018
Storage conditions: Room temperature (nominally 15 to 25°C), dark - Key result
- Auto-ignition temperature:
- 254 °C
- Atm. press.:
- > 1 007 - < 1 015 Bar
- Conclusions:
- The auto-ignition temperature of alpha-terpinene was determined to be 254°C.
- Executive summary:
The auto-ignition temperature of alpha-terpinene was tested according to EC Method A.15. The auto-ignition temperature of alpha-terpinene was determined to be 254°C.
Reference
Table 1. Results of Autoignition Test
Test temperature (°C) |
Test volume (µL) | Time (s) | Observation |
| 400 | 70 | 1 | Yellow flame |
| 300 | 70 | 4 | Yellow flame |
| 280 | 70 | 16 | Yellow flame |
| 270 | 70 | >300 | No ignition |
| 270 | 1000 | >300 | No ignition |
| 276 | 70 | >300 | No ignition |
| 276 | 1000 | >300 | No ignition |
| 278 | 70 | >300 | No ignition |
| 278 | 1000 | >300 | No ignition |
| 278 | 100 | 12 | Yellow flame |
| 276 | 100 | 21 | Yellow flame |
| 274 | 100 | 20 | Yellow flame |
| 272 | 100 | 19 | Yellow flame |
| 270 | 100 | 20 | Yellow flame |
| 268 | 100 | >300 | No ignition |
| 268 | 200 | 15 | Yellow flame |
| 266 | 200 | 16 | Yellow flame |
| 260 | 200 | 18 | Yellow flame |
| 258 | 200 | 18 | Yellow flame |
| 256 | 200 | >300 | No ignition |
| 256 | 500 | 27 | Yellow flame |
| 254 | 500 | >300 | No ignition |
| 254 | 70 | >300 | No ignition |
| 254 | 1000 | >300 | No ignition |
| 254 | 100 | >300 | No ignition |
| 254 | 200 | >300 | No ignition |
| 254 | 500 | 26 | Yellow flame |
| 252 | 500 | >300 | No ignition |
| 252 | 500 | >300 | No ignition |
| 252 | 500 | >300 | No ignition |
| 252 | 500 | >300 | No ignition |
| 252 | 500 | >300 | No ignition |
| 252 | 500 | >300 | No ignition |
| 252 | 70 | >300 | No ignition |
| 252 | 100 | >300 | No ignition |
| 252 | 200 | >300 | No ignition |
| 252 | 1000 | >300 | No ignition |
Description of key information
Key study: Test method according to EU Method A.15, GLP study. The auto-ignition temperature of alpha-terpinene was determined to be 254°C.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 254 °C
Additional information
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