1H-Pyrazole, 1,4-dimethyl-

Flash point

Administrative data

Endpoint:

flash point of flammable liquids

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP compliant, guideline study, available as unpublished report, no restrictions, fully adequate for assessment

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2015

Report date:

2015

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method A.9 (Flash-Point)

GLP compliance:

yes (incl. QA statement)

Remarks:

Chilworth Technology Limited, Process Safety Laboratories, Phi House, Southampton Science Park, Southampton SO16 7NS, United Kingdom

Type of method:

closed cup

Test material

Test material information

Constituent 1

Reference substance name:

1,4-Dimethyl-1H-pyrazole

EC Number:

600-813-6

Cas Number:

1072-68-0

Molecular formula:

C5H8N2

IUPAC Name:

1,4-Dimethyl-1H-pyrazole

Details on test material:

- Name of test material (as cited in study report): 1,4-dimethyl-pyrazole
- Physical state: Clear colourless liquid
- Analytical purity: Approx 99.8 %
- Lot/batch No.: 34040268E0
- Expiry date: 15 July 2016

Results and discussion

Flash point

Flash point:

48 °C

Atm. press.:

1 009 hPa

Any other information on results incl. tables

Results

Temperature °C	Barometric Pressure (kPa)	Ignition? Yes / No	Halo/enlarged test flame? Yes / No
25 – 39	100.9	n	n
40 – 47	100.9	n	y
48	100.9	y	n
	Fresh sample
25 – 39	100.9	n	n
40 – 47	100.9	n	y
48	100.9	y	n