1-Octanethiol, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-

Auto flammability

Administrative data

Endpoint:

auto-flammability

Type of information:

experimental study

Adequacy of study:

key study

Study period:

27 January 2015 - 23 April 2015

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP-compliant study in accordance with EC A.15.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2015

Report date:

2015

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

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

Version / remarks:

(2008)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

other: DIN 51794: "Determining the Ignition Temperature of Petroleum Products" (2003)

Deviations:

no

Test guideline 3

Qualifier:

according to guideline

Guideline:

other: IEC 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature" (1975)

Deviations:

no

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-thiol

EC Number:

628-448-8

Cas Number:

34451-26-8

Molecular formula:

C8H5F13S

IUPAC Name:

3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-thiol

Details on test material:

- Name (as cited in study report): NS-1000
- Appearance: Clear colourless liquid

Results and discussion

Auto-ignition temperature (liquids / gases)

Auto-ignition temperature:

315 °C

Atm. press.:

1 029.4 - 1 040.8 hPa

Remarks on result:

other: The reported auto-ignition temperature is the lowest auto-ignition temperature measured for the substance (see table below).

Any other information on results incl. tables

Table: Results of the auto-ignition temperature measurements:

Test	Volume [μL]	Start temperature [°C]	End temperature [°C]	Auto-ignition temperature [°C]	Ignition delay [s]	Colour of the flame	Minimum auto-ignition temperature[°C]
1	70	333	323	325	69	Blue	316
	150	324	314	316	154	Blue
	300	365	359	361	35	Orange
2	60	334	322	324	56	Orange	315
	140	349	313	315	143	Orange
	200	360	346	348	56	Orange
3	50	332	326	328	47	Orange	317
	130	325	315	317	126	Blue
	180	354	334	336	61	Orange/Blue

Applicant's summary and conclusion

Conclusions:

In a GLP-compliant study in accordance with EC A.15, DIN 51794 and IEC 79-4, the auto-ignition temperature of the substance at 1029.4 – 1040.8 hPa has been determined as 315°C.