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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
21.april 2004 - 9. june 2004
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well documented and reported study, conducted according to internationally accepted technical guideline. A GLP compliance statement and a Quality Assurance Uni Statement is included in the report.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2004
Report date:
2004

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:
yes
Type of method:
capillary method

Test material

Constituent 1
Chemical structure
Reference substance name:
[(2S,3R,5S)-3-[(4-methylbenzoyl)oxy]-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl]methyl 4-methylbenzoate
EC Number:
608-497-1
Cas Number:
3056-13-1
Molecular formula:
C26 H26 N2 O7
IUPAC Name:
[(2S,3R,5S)-3-[(4-methylbenzoyl)oxy]-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl]methyl 4-methylbenzoate

Results and discussion

Melting / freezing point
Melting / freezing pt.:
>= 198.2 - <= 199.2 °C
Decomposition:
yes
Decomp. temp.:
ca. 200 °C
Sublimation:
no
Remarks on result:
other: By melting the colour of the test substance changed to brown, indicating decomposition of the test substance.

Any other information on results incl. tables

The results of three determinations were: 199.2 °C, 199.0 °C and 198.2 °C. The mean value of melting temperature was 198.8 °C.

Standard deviation: 0.43

Number of determinations: 3

Applicant's summary and conclusion