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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study according to internationally accepted guidelines but not GLP compliant

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report date:
2005

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
ASTM E 537-98 (newer version of ASTM E 537-76)
Deviations:
no
GLP compliance:
no
Type of method:
thermal analysis
Remarks:
derivatography

Test material

Constituent 1
Chemical structure
Reference substance name:
α-(2,4-dichlorophenyl)-1H-imidazole-1-ethanol
EC Number:
246-042-5
EC Name:
α-(2,4-dichlorophenyl)-1H-imidazole-1-ethanol
Cas Number:
24155-42-8
Molecular formula:
C11H10Cl2N2O
IUPAC Name:
1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)ethan-1-ol
Test material form:
solid: crystalline
Details on test material:
Test item: Imidazole-ethanol (CAS: 24155-42-8)
Batch No.: L49003N
Physical state: solid, crystalline powder
Storage: 15-30°C

Results and discussion

Melting / freezing point
Melting / freezing pt.:
136 °C
Atm. press.:
ca. 101 kPa
Decomposition:
yes
Remarks:
The weightloss is 0,8% up to 156°C and 4,5% up to 250°C. (Very slow)
Sublimation:
no

Applicant's summary and conclusion

Conclusions:
The melting point of imidazole-ethanol (CAS 24155-42-8) is 136°C