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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
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:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
May 31, 2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
July 27, 1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7200 (Melting Point / Melting Range)
Version / remarks:
March 1998
Deviations:
no
GLP compliance:
yes
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4,5-trimethoxycinnamic acid
EC Number:
201-999-8
EC Name:
3,4,5-trimethoxycinnamic acid
Cas Number:
90-50-6
Molecular formula:
C12H14O5
IUPAC Name:
3-(3,4,5-trimethoxyphenyl)acrylic acid
Test material form:
solid: crystalline
Remarks:
light yellow
Details on test material:
CH03216 / E1A

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
127.283 °C
Decomposition:
yes
Decomp. temp.:
> 250 °C
Sublimation:
no

Applicant's summary and conclusion

Conclusions:
The melting and boiling temperature of 3,4,5-TRIMETHOXYCINNAMIC ACID were determined by DSC.
The melting temperature of the test item was 127.283°C (400.4K).
Reaction and/or decomposition of the test item was observed during DSC experiment at temperatures of > 250°C (> 523K). Boiling of the test item was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test item has no boiling temperature.