1,1'-methylenebis(4-isocyanatobenzene) and its oligomeric reaction products with butane-1,3-diol, 2,2'-oxydiethanol and propane-1,2-diol

Auto flammability

Link to relevant study record(s)

Reference

Endpoint:

auto-ignition temperature (liquids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

23/06/2009 – 29/06/2009

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))

Deviations:

no

GLP compliance:

yes

Auto-ignition temperature:

546 °C

Atm. press.:

101.3 kPa

Remarks on result:

other: hot flame AIT

Result

Hot flame autoignition temperature (AIT, °C) : 546 @ 101.3 kPa

Time lag to auto-ignition (s) : 7

Barometric pressure (kPa) : 102.1

Sample quantity (μl) : 150

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

Reaction threshold temperature (RTT, °C) : 458

Conclusions:

No cool flames were observed. Ignition produced an orange flame. An exothermic reaction of 1°C magnitude was detected at 458°C, but no ignition observed.

Description of key information

No cool flames were observed. Ignition produced an orange flame. An exothermic reaction of 1°C magnitude was detected at 458°C, but no ignition observed.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

546 °C