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EC number: 468-890-7 | CAS number: -
Flash point
Administrative data
Link to relevant study record(s)
- Endpoint:
- flash point of flammable liquids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 28.10.2004
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.9 (Flash-Point)
- GLP compliance:
- yes
- Type of method:
- closed cup
- Flash point apparatus:
- Setaflash apparatus
- Flash point:
- 199.5 °C
- Atm. press.:
- 1 013.3 hPa
- Conclusions:
- The flash point of the test item is 199.5 °C under atmospheric conditions (1013.3 hPa).
Reference
Preliminary measurement
Volume (mL) |
Start temperature (°C) |
Heating rate (K/min) |
Measured flash point (°C) |
4 |
150-180 |
2 |
- |
4 |
180-210 |
2 |
- |
4 |
210 |
2 |
212 |
Main test
Volume (mL) |
Temperature (°C) |
Ignition (+/-) |
Barometric pressure (hPa) |
Flash point (°C) |
4 |
204.0 |
+ |
994.9 |
- |
4 |
199.0 |
- |
- |
|
4 |
200.0 |
+ |
- |
|
4 |
199.0 |
- |
- |
|
4 |
199.5 |
+ |
199.95 |
|
4 |
199.0 |
- |
- |
|
4 |
199.5 |
+ |
199.95 |
|
4 |
199.0 |
- |
- |
|
4 |
199.5 |
+ |
199.95 |
|
4 |
199.0 |
- |
- |
Description of key information
The flash point of the test item is 199.5 °C under atmospheric conditions (1013.3 hPa).
Key value for chemical safety assessment
- Flash point at 101 325 Pa:
- 199.5 °C
Additional information
As a preliminary measurement the test item was placed in the test vessel at the starting temperature and subsequently the test vessel was progressively heated (2 K/min) until the vapour reaches a sufficiently high concentration in air to produce a flammable mixture which could be ignited. In this preliminary test the flame was periodically (every 30 sec) dipped into the gas atmosphere of the test vessel. The test vessel was filled with 4 cm³ of the test item.
A temperature 5 K lower than the flash point found in the preliminary measurement was used as starting temperature for the final determination. If an ignition was observed at this temperature the temperature was lowered in steps of 5 K till no ignition was observed. If no ignition was observed at this temperature the temperature was increased in steps of 1 K till an ignition was observed.
After the vessel was heated up to the starting temperature a sample of the test item was transferred into the apparatus. The ignition of the test item by digging in the flame was carried out after the test item was hold form min. 60 sec at constant temperature. The flash point is corrected to a pressure of 1013 hPa and the average is formed. The flash point of the test item is 199.5 °C under atmospheric conditions (1013.3 hPa).
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