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Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10/1994
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: Electrical Apparatus for Explosive Gas Atmospheres. Part 4: Method of Test for Ignition Temperature. Anon (1987), IEC Publication 79-4. P1-19
Principles of method if other than guideline:
The experimental procedure used complied with that specified in Method A.15 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).
GLP compliance:
yes
Auto-ignition temperature:
> 400 °C
Atm. press.:
994.1 - 998.8 hPa
Remarks on result:
other:

Room temperature: 15 - 19°C

Atmospheric pressure: 994.1 to 998.8 hPa

TCPP has been determined not to have an auto-ignition temperature below 400°C.

 Test temperature (°C)  Test volume (µL)  Ignition delay (s)  Observations
 50 - 200 70  >300  No ignition
 300 - 400 70  >300   No ignition, grey vapours were emitted.
 400 (clean flask) 70  >300  No ignition 
   400 (clean flask)   200 >300   No ignition, small amounts grey vapours were emitted. 
    400 (clean flask)    400  >300 No ignition, small amounts grey vapours were emitted.
 400 (clean flask)  600  >300  No ignition, grey vapours were emitted. 
 400 (clean flask)  800   >300  No ignition, grey vapours were emitted. 
 400 (clean flask)  1000   >300  No ignition, grey vapours were emitted. 
Conclusions:
TCPP shows no auto-ignition below 400°C.
Executive summary:

The auto flammability of TCPP was determined in a test in compliance with the EU-method A.15, to be >400°C (Tremain & Bartlett, 1994).

Description of key information

TCPP shows no auto-ignition below 400°C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
400 °C

Additional information

The stated value should be read > 400°C.

The auto flammability of TCPP was determined in a test in compliance with the EU-method A.15, to be >400°C.