Registration Dossier

Administrative data

Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 09 June 2017 to 25 July 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003
Deviations:
no
Qualifier:
according to guideline
Guideline:
IEC 60079-4 (Electrical apparatus for explosive gas atmospheres. Part 4: Method of test for ignition temperature)
Version / remarks:
1975
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Tributyl-2-thiourea
EC Number:
219-350-2
EC Name:
Tributyl-2-thiourea
Cas Number:
2422-88-0
Molecular formula:
C13H28N2S
IUPAC Name:
1,1,3-tributylthiourea
Test material form:
liquid
Details on test material:
- Name of test material (as cited in study report): Tri butyl thiourea
- Appearance: Clear pale to medium brown liquid
- Storage conditions: At room temperature

Results and discussion

Auto-ignition temperature (liquids / gases)
Key result
Auto-ignition temperature:
285 °C
Atm. press.:
>= 1 010.6 - <= 1 013.4 hPa

Any other information on results incl. tables

Table: Results of the auto-ignition temperature measurements

 

Test

Volume
[uL]

Auto-ignition
temperature
[°C]

Ignition delay

[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

1

70

304

19

Orange/blue

287

 

150

290

34

Orange/blue

 

 

250

287

35

Orange/blue

 

 

400

292

22

Orange/blue

 

2

100

294

38

Orange/blue

289

 

300

289

32

Orange/blue

 

 

450

298

19

Orange/blue

 

3

200

294

25

Orange/blue

291

 

320

292

24

Orange/blue

 

 

500

291

27

Orange/blue

 

 

550

292

22

Orange/blue

 

 

Applicant's summary and conclusion

Conclusions:
The auto-ignition temperature of the substance was determined to be 285°C (at 1011-1013 hPa).
Executive summary:

The auto-ignition temperature of the substance was determined to be 285°C (at 1011 -1013 hPa) in a GLP study according to EC A.15, DIN 51794 and IEC 79-4.