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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:
31 March 2020 - 12 May 2020
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020
Report date:
2020

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
2016
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-(heptyloxy)propane-1,2-diol
Cas Number:
10305-39-2
Molecular formula:
C10H22O3
IUPAC Name:
3-(heptyloxy)propane-1,2-diol
Test material form:
liquid
Details on test material:
Physical Description: Clear slightly yellow liquid
Storage Conditions: At room temperature protected from light
Stability at higher temperatures: Yes, maximum temperature: 90°C, maximum duration: 120 minutes

Results and discussion

Auto-ignition temperature (liquids / gases)
Key result
Auto-ignition temperature:
255 °C
Atm. press.:
>= 1 011 - <= 1 018 hPa

Any other information on results incl. tables

Table: Results of the auto-ignition temperature measurements

Test

Volume


[μL]

Auto-ignition
temperature

[°C]

Ignition delay



[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

1

70

297

29

Orange/Blue

255

 

150

283

72

Orange/Blue

 

 

300

268

135

Orange/Blue

 

 

600

264

119

Orange/Blue

 

 

800

258

185

Orange/Blue

 

 

1000

255

267

Orange/Blue

 

2

200

274

91

Orange/Blue

256

 

500

261

166

Orange/Blue

 

 

900

256

194

Orange/Blue

 

3

350

269

120

Orange/Blue

258

 

550

263

143

Orange/Blue

 

 

850

258

226

Orange/Blue

 

Applicant's summary and conclusion

Conclusions:
The auto-ignition temperature of the substance was determined to be 255°C (at between 1011 and 1018 hPa).
Executive summary:

The auto-ignition temperature of the substance was determined to be 255°C (at 1011 -1018 hPa) in a GLP study based on EC A.15 and DIN 51794.