Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
capillary method

Test material

Constituent 1
Chemical structure
Reference substance name:
1,2,4,5-tetramethyl-1H-imidazole
EC Number:
217-100-7
EC Name:
1,2,4,5-tetramethyl-1H-imidazole
Cas Number:
1739-83-9
Molecular formula:
C7H12N2
IUPAC Name:
tetramethyl-1H-imidazole

Results and discussion

Melting / freezing pointopen allclose all
Melting / freezing pt.:
>= 146.7 - <= 147.4 °C
Atm. press.:
1 atm
Melting / freezing pt.:
>= 146.6 - <= 147.5 °C
Atm. press.:
1 atm
Melting / freezing pt.:
>= 146.6 - <= 147.4 °C
Atm. press.:
1 atm

Applicant's summary and conclusion

Conclusions:
Based on the test results, the melting range could be confirmed: 146.6~147.4°C. This data is unreliable. We will update it by November 2019.