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Diss Factsheets

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
02 March 2015-19 June 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-compliant study in accordance with EC A.15, DIN 51794 and IEC 79-4.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

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:
other: DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products" (2003)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: IEC standard 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature" (1975)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-[3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propoxy]propane-1,2-diol
EC Number:
807-413-2
Cas Number:
70280-68-1
Molecular formula:
C13H34O5Si3
IUPAC Name:
3-[3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propoxy]propane-1,2-diol
Test material form:
other: Liquid
Details on test material:
- Name (as cited in study report): X-22-1927
- Appearance: clear light yellow liquid
- Storage conditions: at room temperature

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
260 °C
Atm. press.:
1 027.4 - 1 037.3 hPa
Remarks on result:
other: The lowest temperature in the main study at which ignition occurred (i.e. 262°C) was rounded down to the nearest multiple of 5°C.

Any other information on results incl. tables

Table: Auto-ignition temperature measurements

Test

Volume

[μL]

Start temperature

[°C]

Auto-ignition
temperature
[°C]

Ignition delay

[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

 

 

 

 

 

 

 

1

70

328

320

9

Orange

262

 

150

317

269

56

Orange

 

 

300

266

262

90

Orange

 

 

500

273

265

93

Orange

 

 

 

 

 

 

 

 

2

175

276

268

67

Orange

263

 

400

267

263

95

Orange

 

 

650

276

268

71

Orange

 

 

 

 

 

 

 

 

3

125

280

273

54

Orange

264

 

250

272

264

76

Orange

 

 

700

275

267

61

Orange

 

 

 

 

 

 

 

 

 

The maximum deviation between the three minumum igintion temperatures was < 10°C. 

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 1027.4 – 1037.3 hPa was determined to be 260°C.