3-[3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propoxy]propane-1,2-diol

Auto flammability

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 guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))

Version / remarks:

(2008)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

other: DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products" (2003)

Deviations:

no

Test guideline 3

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

Test material information

Constituent 1

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.