1-Butanethiol, 4-[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)thio]-

Auto flammability

Administrative data

Endpoint:

auto-flammability

Type of information:

experimental study

Adequacy of study:

key study

Study period:

07 May 2015 - 16 November 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:

4-[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)thio]butane-1-thiol

EC Number:

811-734-3

Cas Number:

36097-07-1

Molecular formula:

C12 H13 F13 S2

IUPAC Name:

4-[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)thio]butane-1-thiol

Test material form:

gas under pressure: refrigerated liquefied gas

Details on test material:

- Name of test material (as cited in study report): IN-1000
- Appearance: Dark amber liquid

Results and discussion

Auto-ignition temperature (liquids / gases)

Auto-ignition temperature:

250 °C

Atm. press.:

1 009.1 - 1 014.2 hPa

Remarks on result:

other: The reported auto-ignition temperature is the lowest auto-ignition temperature measured for the substance (see table below), rounded down to the nearest multiple of 5°C.

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	270	258	260	24	Orange/yellow	254
	150	271	255	257	12	Orange/yellow
	300	254	252	254	8	Orange/yellow
	500	267	261	263	6	Orange/yellow
2	50	273	263	265	10	Orange/yellow	258
	250	260	256	258	15	Orange/yellow
	450	267	261	263	9	Orange/yellow
3	60	272	262	264	11	Orange/yellow	259
	200	263	257	259	12	Orange/yellow
	475	264	260	262	5	Orange/yellow

 

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 1009.1 -1014.2 hPa has been determined as 250°C.