Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP-study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
yes
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
2H,3H-thieno[3,4-b][1,4]dioxine-5,7-dicarboxylic acid
EC Number:
605-999-2
Cas Number:
18361-03-0
Molecular formula:
C8H6O6S
IUPAC Name:
2H,3H-thieno[3,4-b][1,4]dioxine-5,7-dicarboxylic acid

Results and discussion

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
250 °C
Remarks on result:
other: Determination of the melting point not possible; substance decomposes before melting (begin: 250 °C); DSC-curve shows an endothermic peak at 281 °C

Applicant's summary and conclusion

Conclusions:
Determination of the melting point not possible; substance decomposes before melting (begin: 250 °C); DSC-curve shows an endothermic peak at 281 °C