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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Melting point / freezing point

Currently viewing:

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)

Data source

Reference
Reference Type:
publication
Title:
Antioxidant Active Principles Isolated from Psidium guajava Grown in Thailand
Author:
Suganya Tachakittirungrod, Fumio Ikegami, and Siriporn Okonogi
Year:
2007
Bibliographic source:
Scientia Pharmaceutica (Sci. Pharm.) 75, 179-193

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
no data
GLP compliance:
no
Type of method:
capillary method

Test material

Constituent 1
Chemical structure
Reference substance name:
2',3,4',5,7-pentahydroxyflavone
EC Number:
207-542-9
EC Name:
2',3,4',5,7-pentahydroxyflavone
Cas Number:
480-16-0
Molecular formula:
C15H10O7
IUPAC Name:
2',3,4',5,7-pentahydroxyflavone
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Melting / freezing point
Melting / freezing pt.:
300 °C
Decomposition:
yes

Applicant's summary and conclusion

Conclusions:
melting point 300 °C (decomposition)
Executive summary:

The study is published in literature. It was not performed according to a guideline and the purity of the substance is not mentioned.