Registration Dossier

Administrative data

Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental starting date: 5 December 2017 Experimental completion date: 14 December 2017
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3,4-Thiadiazole-2(3H)-thione, 5-(tert-dodecyldithio)-
EC Number:
813-543-0
Cas Number:
73984-93-7
Molecular formula:
C14H26N2S4
IUPAC Name:
1,3,4-Thiadiazole-2(3H)-thione, 5-(tert-dodecyldithio)-
Test material form:
liquid
Details on test material:
- Storage: in a sealed container at room temperature
Specific details on test material used for the study:
Information as provided by the Sponsor. The Certificate of Analysis provided by the Sponsor is attached (Please see Attachment Section of this Summary).

Identification: A-153
Appearance/Physical state: pale yellow viscous liquid
Batch: B16001086
Purity: UVCB Substance (treat as 100%)
Expiry date: 01 March 2018
Storage conditions: room temperature, in the dark

Results and discussion

Auto-ignition temperature (liquids / gases)
Key result
Auto-ignition temperature:
332 °C
Atm. press.:
>= 98.7 - <= 100.6 kPa

Any other information on results incl. tables

Results

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

Test Temperature (ºC)

Weight (g)

Ignition Delay (s)

Observations

200 (clean flask)

0.3

>300

No ignition. A small amount of grey fumes were emitted. 

250 (clean flask)

0.3

>300

No ignition. Grey fumes were emitted.

300

0.3

>300

No ignition. Grey fumes were emitted.

350

0.2

4

An orange flame. Grey fumes were emitted.

330 (clean flask)

0.3

>300

No ignition. Grey fumes were emitted.

340 (clean flask)

0.1

4

An orange flame. Grey fumes were emitted.

336

0.3

9

An orange flame. Grey fumes were emitted.

334

0.2

>300

No ignition. Grey fumes were emitted.

334 (clean flask)

0.2

>300

No ignition. Grey fumes were emitted.

334 (clean flask)

0.5

8

An orange flame. Grey fumes were emitted.

332 (clean flask)

0.4

>300

No ignition. Grey fumes were emitted.

332 (clean flask)

0.6

8

An orange flame. A large amount of grey fumes were emitted.

330 (clean flask)

0.6

>300

No ignition. Grey fumes were emitted.

330 (clean flask)

0.8

>300

No ignition. A large amount of grey fumes were emitted.

330 (clean flask)

1.0

>300

No ignition. A large amount of grey fumes were emitted.

330 (clean flask)

0.4

>300

No ignition. Grey fumes were emitted.

330 (clean flask)

0.2

>300

No ignition. Grey fumes were emitted.

Room temperature: 18 -19 °C
Atmospheric pressure: 98.7 to 100.6 kPa

Applicant's summary and conclusion

Conclusions:
The test item has been determined to have an auto-ignition temperature of 332 ± 5 °C.
Executive summary:

The determination was carried out using a procedure*designed to be compatible with Method A.15 Auto-Ignition Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008.


*Based on, Anon (1987), 70Electrical Apparatus for Explosive Gas Atmospheres. Part 4: Method of Test for Ignition Temperature. IEC Publications79-4,P1-19.

Conclusion

The test item has been determined to have an auto-ignition temperature of 332 ± 5 °C.