1,1-dimethylprop-3-ynylamine

Auto flammability

Administrative data

Endpoint:

auto-flammability

Type of information:

experimental study

Adequacy of study:

key study

Study period:

3 June 2014 to 30 June 2014

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: see 'Remark'

Remarks:

Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2014

Report date:

2014

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

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

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

1,1-dimethylprop-3-ynylamine

EC Number:

221-029-7

EC Name:

1,1-dimethylprop-3-ynylamine

Cas Number:

2978-58-7

Molecular formula:

C5H9N

IUPAC Name:

2-methylbut-3-yn-2-amine

Test material form:

other: liquid

Details on test material:

- Appearance: pale yellow liquid

Results and discussion

Auto-ignition temperature (liquids / gases)

Auto-ignition temperature:

344 °C

Atm. press.:

101.2 kPa

Remarks on result:

other:

Any other information on results incl. tables

Table 1: Results

Atm pressure (kPa)	Inner flask temp (°C)	Conc (µL)	Clean flask	Ignition	Time lag (s)	Comments
101.6	500	100	yes	yes	0	yellow/blue flame
101.6	380	100	yes	yes	15	yellow/blue flame
101.6	350	100	yes	no	-	N/A
101.6	365	100	yes	no	-	N/A
101.6	374	100	yes	no	-	N/A
101.8	371	100	yes	no	-	N/A
101.8	377	100	yes	yes	24	yellow/blue flame
101.8	374	200	yes	yes	11	yellow/blue flame
101.8	371	200	yes	yes	20	yellow/blue flame
101.8	368	200	yes	yes	20	yellow/blue flame
101.2	365	200	yes	yes	16	yellow/blue flame
101.2	359	200	yes	yes	21	yellow/blue flame
101.2	353	200	yes	yes	30	yellow/blue flame
101.2	347	200	yes	no	-	N/A
101.2	347	300	yes	yes	29	yellow/blue flame
101.2	344	300	yes	yes	46	yellow/blue flame
101.2	338	300	yes	no	-	N/A
101.2	338	400	yes	no	-	N/A
101.2	341	300	yes	no	-	N/A
101.6	341	400	yes	no	-	N/A
101.6	341	250	yes	no	-	N/A
101.6	341	350	yes	no	-	N/A
101.6	341	500	yes	no	-	N/A
101.6	341	200	yes	no	-	N/A
101.6	341	100	yes	no	-	N/A

Comments: No cool flames were observed. The sample burnt with a large yellow/blue flame. Combustion was sustained for several seconds after the reaction terminated. A loud popping sound accompanied the combustion. 

Applicant's summary and conclusion

Conclusions:

Under the conditions of the study the autoignition temperature of the test material was determined to be 344 °C at 101.2 kPa.

Executive summary:

The autoignition temperature of the test material was determined in a study which was conducted under GLP conditions and in accordance with the standardised guideline EU Method A.15.

Under the conditions of the study the autoignition temperature of the test material was determined to be 344 °C at 101.2 kPa.