Reaction products of bis(4-methylpentan-2-yl)dithiophosphoric acid with phosphorus oxide, propylene oxide and amines, C12-14-alkyl (branched)

Auto flammability

Link to relevant study record(s)

Reference

Endpoint:

auto-ignition temperature (gases)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

27 October 2009 - 29 October 2009

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study was performed according to guideline under GLP conditions

Qualifier:

according to guideline

Guideline:

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

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Remarks:

Issued by: the Department of Health of the Government of the United Kingdom Inspection Date: 19 August 2008

Auto-ignition temperature:

286 °C

Atm. press.:

102.09 kPa

Remarks on result:

other:

Table 1: Observations During Auto-Ignition Testing

Temperature (ºC)	Test Volume (μl)	Ignition Delay (s)	Observations
50(clean flask)	70	>300	No ignition.
100(clean flask)	70	>300	No ignition.
150	70	>300	No ignition. Grey fumes were emitted.
200	70	>300	No ignition. Grey fumes were emitted.
250	70	>300	No ignition. Grey fumes were emitted.
300	70	>300	No ignition. Grey fumes were emitted.
350	70	1	A yellow flame. Grey fumes were emitted.
330	70	5	A yellow flame. Grey fumes were emitted.
320	70	46	A yellow flame. Grey fumes were emitted.
310	70	8	A yellow flame. Grey fumes were emitted.
306(clean flask)	70	10	A yellow flame. Grey fumes were emitted.
302(clean flask)	70	13	A yellow flame. Grey fumes were emitted.
300(clean flask)	70	6	A yellow flame. Grey fumes were emitted.
298(clean flask)	70	10	A yellow flame. Grey fumes were emitted.
294(clean flask)	70	16	A yellow flame. Grey fumes were emitted.
290(clean flask)	70	16	A yellow flame. Grey fumes were emitted.
286(clean flask)	70	13	A yellow flame. Grey fumes were emitted.
282(clean flask)	70	>300	No ignition. Grey fumes were emitted.
284(clean flask)	70	>300	No ignition. Grey fumes were emitted.
284(clean flask)	200	>300	No ignition. Grey fumes were emitted.
284(clean flask)	400	>300	No ignition. Grey fumes were emitted.
284(clean flask)	600	>300	No ignition. Grey fumes were emitted.
284(clean flask)	800	>300	No ignition. Grey fumes were emitted.
284(clean flask)	1000	>300	No ignition. Grey fumes were emitted.

Conclusions:

The auto-ignition temperature of the test substance is 286 deg C at 102.09 kPa

Executive summary:

The auto-ignition temperature of the test substance was determined according to the guidelines in EU Method A.15. The auto-ignition temperature of the test substance is 286 ⁰C at a pressure of 102.09 kPa. The precision of the measurement is estimated to be ± 5⁰C.

Description of key information

The auto-ignition temperature of the test substance is 286⁰C at a pressure of 102.09 kPa (EU Method A.15).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

286 °C

Additional information

The auto-ignition temperature of the test substance was determined according to the guidelines in EU Method A.15. The auto-ignition temperature of the test substance is 286 ⁰C at a pressure of 102.09 kPa. The precision of the measurement is estimated to be ± 5 ⁰C.