Tetramethylcyclotetrasiloxane substituted dipropylether bisphenol A

Auto flammability

Administrative data

Endpoint:

auto-ignition temperature (liquids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

20 April 2021 to 15 June 2021

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

comparable to guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2021

Report date:

2022

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))

Version / remarks:

30 May 2008

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

Reaction mass of (Tetramethylcyclotetrasiloxane propylether) prop-1-enylether bisphenol A and Di(tetramethylcyclotetrasiloxane propylether) bisphenol A

Cas Number:

203874-34-4

Molecular formula:

(OSiHxCH3)4-CH2-CH2 -CH2- O-C6H4-C(CH3)2-C6H4-0-CH2-CH2-CH2-(SiHxCH3O)4

IUPAC Name:

Reaction mass of (Tetramethylcyclotetrasiloxane propylether) prop-1-enylether bisphenol A and Di(tetramethylcyclotetrasiloxane propylether) bisphenol A

Test material form:

liquid

Details on test material:

Appearance: Pale yellow liquid

Specific details on test material used for the study:

Storage conditions: Room Temperature in the dark, under nitrogen

Results and discussion

Auto-ignition temperature (liquids / gases)

Key result

Auto-ignition temperature:

402 °C

Atm. press.:

>= 100.5 - <= 102.4 kPa

Any other information on results incl. tables

Results of the auto-ignition temperature determination are shown in the following table:

Table 1

Temperature (ºC)	Clean Flask (Yes/No)	Volume (µL)	Ignition Delay (s)	Observations
200	Yes	70	>300	No ignition. No fumes.
250	Yes	70	>300	No ignition. Grey fumes were emitted.
300	No	70	>300	No ignition. Grey fumes were emitted.
350	No	70	>300	No ignition. Grey fumes were emitted.
400	Yes	70	>300	No ignition. Grey fumes were emitted.
450	Yes	70	4	An orange flame. Grey fumes were emitted.
440	No	70	>300	No ignition. Grey fumes were emitted.

444	No	70	>300	No ignition. Grey fumes were emitted.
446	Yes	70	2	An orange flame. Grey fumes were emitted.
444	Yes	70	>300	No ignition. Grey fumes were emitted.
444	Yes	200	1	An orange flame. Grey fumes were emitted.
440	Yes	200	2	An orange flame. Grey fumes were emitted.
438	No	200	2	An orange flame. Grey fumes were emitted.
430	Yes	200	4	An orange flame. Grey fumes were emitted.
424	Yes	200	5	An orange flame. Grey fumes were emitted.
420	No	200	5	An orange flame. Grey fumes were emitted.
410	No	200	>300	No ignition. Grey fumes were emitted.
414	No	200	>300	No ignition. Grey fumes were emitted.
418	No	200	>300	No ignition. Grey fumes were emitted.
418	Yes	200	2	An orange flame. Grey fumes were emitted.
414	Yes	200	10	An orange flame. Grey fumes were emitted.
410	Yes	200	>300	No ignition. Grey fumes were emitted.
412	Yes	200	>300	No ignition. Grey fumes were emitted.
412	Yes	400	6	An orange flame. Grey fumes were emitted.
408	Yes	400	4	An orange flame. Grey fumes were emitted.
406	Yes	400	6	An orange flame. Grey fumes were emitted.
404	Yes	400	>300	No ignition. Grey fumes were emitted.
404	Yes	600	5	An orange flame. Grey fumes were emitted.
400	Yes	600	>300	No ignition. Grey fumes were emitted.
402	Yes	600	5	An orange flame. Grey fumes were emitted.
400	Yes	800	>300	No ignition. Grey fumes were emitted.
400	Yes	1000	>300	No ignition. Grey fumes were emitted.
400	Yes	600	>300	No ignition. Grey fumes were emitted.
400	Yes	400	>300	No ignition. Grey fumes were emitted.
400	Yes	200	>300	No ignition. Grey fumes were emitted.

 

Applicant's summary and conclusion

Conclusions:

The test item has been determined to have an auto-ignition temperature of 402 °C.