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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
26 October 1999 - 26 October 1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: This study has been performed according to OECD and EC guidelines and according to GLP principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

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:
other: Differential Scanning Calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
434-770-8
EC Name:
-
Cas Number:
55314-16-4
Molecular formula:
C10 H12 N2 O1
IUPAC Name:
3-(dimethylamino)-1-(pyridin-3-yl)prop-2-en-1-one
Details on test material:
Identification: STI571 Y5a
Test substance code: 1550515
Description: Brown solid
Batch: 992301
Purity: 98.6%
Test substance storage: In refrigerator in the dark
Stability under storage conditions: Stable
Expiry date: 01 July 2001

Results and discussion

Melting / freezing point
Melting / freezing pt.:
80 °C
Remarks on result:
other: Probably because of a small amount of impurities the melting process started at a lower temperature of 65 – 67°C (338 – 340 K).

Applicant's summary and conclusion

Conclusions:
The melting point of the test substance is evaluated as 80°C (353 K).