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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Oct. 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Fully documented study run according to international guidelines.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
no
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
(3R,4S,5R)-3,4,5-trihydroxycyclohex-1-enecarboxylic acid
EC Number:
205-334-2
EC Name:
(3R,4S,5R)-3,4,5-trihydroxycyclohex-1-enecarboxylic acid
Cas Number:
138-59-0
Molecular formula:
C7H10O5
IUPAC Name:
(3R,4S,5R)-3,4,5-trihydroxycyclohex-1-enecarboxylic acid
Test material form:
solid: crystalline
Details on test material:
Samples are from Batch: 1329Ro37, Lot: 0700791872.

Results and discussion

Melting / freezing point
Melting / freezing pt.:
183 °C
Decomposition:
yes
Remarks:
decomposes at 200°C
Decomp. temp.:
ca. 200 °C
Sublimation:
no
Remarks on result:
other: The melting point according to the A.1 methodology is the temperature of the highest endothermal peak.

Any other information on results incl. tables

The determined value is a mean of two measurements.

Applicant's summary and conclusion

Conclusions:
The melting point of the test item is 183°C.
Executive summary:

The melting point of the test item is 183°C.