Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
not specified
Type of method:
other: Differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
(3S-cis)-3,6-dimethyl-1,4-dioxane-2,5-dione
EC Number:
224-832-0
EC Name:
(3S-cis)-3,6-dimethyl-1,4-dioxane-2,5-dione
Cas Number:
4511-42-6
Molecular formula:
C6H8O4
IUPAC Name:
3,6-dimethyl-1,4-dioxane-2,5-dione
Test material form:
solid: flakes
Details on test material:
Batch no: 0902000694
Purity 100%

Results and discussion

Melting / freezing point
Melting / freezing pt.:
97 °C
Atm. press.:
1 019 Pa

Applicant's summary and conclusion

Conclusions:
The melting point of LL-lactide is 97 °C