Hydrocarbons, C4-7, C5-rich, isoprene-purifn. by-product

Auto flammability

Administrative data

Endpoint:

auto-flammability

Type of information:

experimental study

Adequacy of study:

key study

Study period:

21.-25. July 2011

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: study performed according to EU guideline but not under GLP conditions

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2011

Report date:

2011

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

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

Deviations:

no

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Abosorbent A4

IUPAC Name:

Abosorbent A4

Details on test material:

- Name of test material (as cited in study report): Absorbent A4
- Substance type: UVCB
- Physical state: Transparent liquid without mechanical impurities, colour from light to dark
- Stability under test conditions: months
- Storage condition of test material: room temperature, in the dark

Results and discussion

Auto-ignition temperature (liquids / gases)

Auto-ignition temperature:

315 °C

Atm. press.:

ca. 101 kPa

Remarks on result:

other:

Any other information on results incl. tables

Preliminary test: The lowest auto-ignition temperature was determined to be 317 °C.

Main test: The following table shows the results of the three principal tests. Temperatures, where auto-ignition (+) was detected and where not (-). The amount of test item tested at each measurement is indicated as numbers of drops.

  

1. principal test			2. principal test
T / °C	drops	+ / -	T / °C	drops	+ / -
317	5	+	318	6	+
312	5	-	313	6	-
312	6	-	312	7	-
312	4	-	313	5	-
312	7	-	312	10	-
313	8	-	312	1	-
312	10	-	313	6	-
312	9	-	313	2	-
312	3	-	313	3	-
312	2	-	313	4	-
312	1	-	313	8	-
313	6	-	313	9	-
barometric pressure: 1000.3 hPa			barometric pressure: 1000.5 hPa

 

3. principal test
T / °C	drops	+ / -
317	6	+
312	6	-
312	5	-
312	7	-
313	4	-
313	10	-
313	8	-
313	1	-
313	3	-
313	2	-
313	9	-
313	6	-
barometric pressure: 1002.2 hPa

  

The auto-ignition temperature of the test item is 315°C.

Applicant's summary and conclusion

Conclusions:

The auto-ignition temperature of the test item is 315 °C.

Executive summary:

The auto-ignition temperatureof the test itemaccording to theauto-ignition temperature test conditions in the sense of the EuropeanCommission Regulation (EC) No. 440/2008, Method A.15.is 315 °C.