Butyric anhydride

Auto flammability

Administrative data

Endpoint:

auto-flammability

Type of information:

experimental study

Adequacy of study:

key study

Study period:

May 2009

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Analysis was performed using a documented method in accordance with REACH Annex XI.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2009

Report date:

2009

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:

Butyric anhydride

EC Number:

203-383-4

EC Name:

Butyric anhydride

Cas Number:

106-31-0

Molecular formula:

C8H14O3

IUPAC Name:

butanoyl butanoate

Results and discussion

Auto-ignition temperature (liquids / gases)

Auto-ignition temperature:

309 °C

Atm. press.:

98 kPa

Remarks on result:

other:

Any other information on results incl. tables

RESULTS/CONCLUSION

 

The auto-ignition temperature was determined to be 309 +/- 5 ⁰C. A complete record of the test is reported in Table XI-1. The barometric pressure was recorded at 98.0 kPa.

 

Table XI-1. Auto-ignition test results

 

Temp, C	Sample Size, ml	Result
392	100	Instant ignition
322	100	Ignition at 15 seconds
316	100	Blue flame at 25 seconds
312	100	Ignition at 5 seconds
289	100	No ignition – smoke
290	100	No ignition – smoke
290	200	No ignition - smoke
289	50	No ignition
292	100	No ignition
296	100	No ignition
300	100	No ignition
305	100	No ignition - exotherm
309	100	Ignition in 18 seconds
305	200	No flame – exothem at 25 sec

 

 

REFERENCE

XI-1. K. Nabert, G. Schoen, and T. Redeker,Safety Characteristics of Flammable Gases and Vapors, Volumes I and II, Third Ed., Deutscher Eichverlag (2004).