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Diss Factsheets

Administrative data

Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental starting date: 12 June 2016 Experimental completion date: 01 July 2016
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

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:
O,O-dibutyl hydrogen thiophosphate, compound with 1-octylamine (1:1)
EC Number:
300-947-2
EC Name:
O,O-dibutyl hydrogen thiophosphate, compound with 1-octylamine (1:1)
Cas Number:
93964-99-9
Molecular formula:
C8H19N.C8H19O3PS
IUPAC Name:
octan-1-amine dibutyl sulfanylphosphonate
impurity 1
Chemical structure
Reference substance name:
Octylamine
EC Number:
203-916-0
EC Name:
Octylamine
Cas Number:
111-86-4
Molecular formula:
C8H19N
IUPAC Name:
octan-1-amine
Test material form:
liquid
Specific details on test material used for the study:
Information as provided by the Sponsor. The Certificate of Analysis provided by the Sponsor is presented as Annex 2 (Please see Attachment Section of this Summary).

Identification: X-19575 Phosphorothioic acid, O,O-dibutyl ester, compd. with 1-octanamine, CASRN 93964-99-9
Appearance/Physical state: amber colored viscous liquid
Batch: X-019575-00-00
Purity: UVCB Substance (treat as 100%)
Expiry date: 01 June 2017
Storage conditions: room temperature, in the dark

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
314 °C
Atm. press.:
>= 99.8 - <= 100.4 kPa

Any other information on results incl. tables

Results

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

Table 5

Test Temperature (ºC)

Sample Volume (µL)

Ignition Delay (s)

Observations

200 (clean flask)

70

>300

No ignition. 

250 (clean flask)

70

>300

No ignition. Grey fumes were emitted.

300 (clean flask)

70

>300

No ignition. Grey fumes were emitted.

350

70

6

An orange flame. Grey fumes were emitted.

340

70

10

An orange flame. Grey fumes were emitted.

330

70

16

An orange flame. Grey fumes were emitted.

320

70

20

An orange flame. Grey fumes were emitted.

310

70

>300

No ignition. Grey fumes were emitted.

312 (clean flask)

70

>300

No ignition. Grey fumes were emitted.

314 (clean flask)

70

>300

No ignition. Grey fumes were emitted.

316 (clean flask)

70

>300

No ignition. Grey fumes were emitted.

318 (clean flask)

70

24

An orange flame. Grey fumes were emitted.

316 (clean flask)

200

>300

No ignition. Grey fumes were emitted.

316 (clean flask)

400

16

An orange flame. Grey fumes were emitted.

314 (clean flask)

400

>300

No ignition. Grey fumes were emitted.

314 (clean flask)

600

>300

No ignition. Grey fumes were emitted.

314 (clean flask)

800

>300

No ignition. Grey fumes were emitted.

314 (clean flask)

1000

42

An orange flame. Grey fumes were emitted.

312 (clean flask)

1000

>300

No ignition. Grey fumes were emitted.

312 (clean flask)

1200

>300

No ignition. Grey fumes were emitted.

312 (clean flask)

1400

>300

No ignition. Grey fumes were emitted.

312 (clean flask)

1600

>300

No ignition. Grey fumes were emitted.

312 (clean flask)

1800

>300

No ignition. Grey fumes were emitted.

Room temperature: 20 to 21 °C
Atmospheric pressure: 99.8 to 100.4 kPa

Applicant's summary and conclusion

Conclusions:
The test item has been determined to have an auto-ignition temperature of 314 ± 5 °C.
Executive summary:

The determination was carried out using a procedure*designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) 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 314 ± 5 °C.