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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
23 June 2017 to 27 June 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7200 (Melting Point / Melting Range)
GLP compliance:
yes
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(hydroxymethyl)-4-methyl-1-phenylpyrazolidin-3-one
EC Number:
235-920-3
EC Name:
4-(hydroxymethyl)-4-methyl-1-phenylpyrazolidin-3-one
Cas Number:
13047-13-7
Molecular formula:
C11H14N2O2
IUPAC Name:
4-(hydroxymethyl)-4-methyl-1-phenylpyrazolidin-3-one
Test material form:
solid: particulate/powder

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
124.1 °C
Atm. press.:
ca. 101.325 Pa
Decomposition:
no
Decomp. temp.:
°C

Any other information on results incl. tables

In the second experiment the substance has turned into an colourless molten residue (original colour was yellow)

Applicant's summary and conclusion

Conclusions:
The melting temperature of the substance is 124.1 °C
Executive summary:

In a test using differential scanning calorimetry, the melting point of the substance was found to be 124.1 °C.