Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2008-05-26 to 2008-07-09
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP, guideline study
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
, 1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
, 1992
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
signed 2004-09-06
Type of method:
thermal analysis
Remarks:
DSC

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(4-{[(2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-2,6-dihydroxyphenyl)-3-(4-hydroxyphenyl)propan-1-one
EC Number:
700-320-7
Cas Number:
18916-17-1
Molecular formula:
C27H34O14
IUPAC Name:
1-(4-{[(2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-2,6-dihydroxyphenyl)-3-(4-hydroxyphenyl)propan-1-one
Constituent 2
Reference substance name:
1-[4-[[2-O-(6-Deoxy-L-mannopyranosyl)-D-glucopyranosyl]oxy]-2,6-dihdroxyphenyl]-3(4-hydroxyphenyl)-1-propanone
IUPAC Name:
1-[4-[[2-O-(6-Deoxy-L-mannopyranosyl)-D-glucopyranosyl]oxy]-2,6-dihdroxyphenyl]-3(4-hydroxyphenyl)-1-propanone
Details on test material:
- Name of test material (as cited in study report): Naringin dihydrochalcone (DHC)
- Substance type: technical product
- Physical state: whitish powder
- Storage condition of test material: 15 – 25 °C, dark and dry
No further details are given.

Results and discussion

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
ca. 160 °C
Remarks on result:
other: The test item had no melting point at atmospheric condition.

Applicant's summary and conclusion

Conclusions:
The test item had no melting point at atmospheric condition. The decomposition of the test item started at approx. 160°C.