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Physical & Chemical properties

Flash point

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other: GLP compliant, guideline study, available as unpublished report, no restrictions, fully adequate for assessment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

Constituent 1
Chemical structure
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

Applicant's summary and conclusion

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