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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
1-Ethyl-3-methylimidazolium benzoate
EC Number:
695-723-7
Cas Number:
150999-33-0
Molecular formula:
C13H16N2O2
IUPAC Name:
1-Ethyl-3-methylimidazolium benzoate

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
< -100 °C
Atm. press.:
1 013 hPa
Decomposition:
no
Remarks on result:
other: A reproducible glass transition was found at -53 °C.

Any other information on results incl. tables

Results in detail:

Melting temperature

No melting temperature was found between -100 °C and 50 °C, even by annealing at -40 °C and -20 °C (determination Test 6).

A reproducible glass transition was found at -53 °C in the 1st heating (determination Test 5, A and B).

Determination

Glass transition temperature [0C]

Test 5

-52.6

A

-54.4

B

-52.2

Mean value

-53

The test item had no melting temperature between -100 °C and 50 °C. A glass transition was found at-53 °C.

Applicant's summary and conclusion