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Physical & Chemical properties

Auto flammability

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Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Start date of the experimental work: 17/06/2009 and Completion date of the experimental work: 13/07/2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
GLP compliance:
yes
Remarks on result:
other: No cool flames were observed. Ignition produced an orange / yellow flame. An exothermic reaction of 3°C magnitude was detected at 485°C, but no ignition observed.

Full test results:

Inner Flask Temp (°C)  Volume of liquid (micro liter)  Clean flask yes (y) / no (n)  Ignition  yes (y) / no (n)  Time lag (s) Comments 
 560  100  y  y  4  Small Flame
 530  100  y  n  -  
 545  100  y  n  -  
 554  100  y  y  5  Small Flame
 551  100  y  n  -  
 551  150  y  y  3  Smal Flame
 548  150 y  n  -  
 548  200  y  y  5  Small Flame
 545  200  y  n  -  5°C Rise
 545  250  y  n  -  
545   150  y  n  -  
 545  300  y  n  -  
 545  400  y  n  -  
 545  500  y  n  -  
 545  100  y  n  -  
 535  200  y  n  -   4°C Rise
 505  200  y  n  -   6°C Rise
 485  200  y  n  -   3°C Rise
 465  200  y  n  -   1°C Rise
 475  200  y  n  -   2°C Rise

Results:

Hot flame autoignition temperature (AIT, °C) : 548 @ 101.3 kPa

Time lag to auto-ignition (s) : 5

Barometric pressure (kPa) : 100.5

Sample quantity (μl) : 200

Cool Flame Observed down to (CFT, °C) : N/A

Reaction threshold temperature (RTT, °C) : 485

Comments: no cool flames were observed. Ignition produced an orange / yellow flame. An exothermic reaction of 3°C magnitude was detected at 485°C, but no ignition observed.

Conclusions:
No cool flames were observed. Ignition produced an orange / yellow flame. An exothermic reaction of 3°C magnitude was detected at 485°C, but no ignition observed.

Description of key information

No cool flames were observed. Ignition produced an orange / yellow flame.

An exothermic reaction of 3°C magnitude was detected at 485°C, but no ignition observed.

Key value for chemical safety assessment

Additional information