Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
September 23, 1996 to October 29, 1996
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study according to OECD 102

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997
Report Date:
1997

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
other: melt microscope

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
name: Cyanamide, (4,5-dihydroxy-2-thiazolyl)-
molecular formula: C4 H5 N3 S
molecular weight: 127.2
physical state: solid
analytical purity: 99.8 %

Results and discussion

Any other information on results incl. tables

Test Melting range Melting after re-solidification Comment Melting point
No. 1 151.2- 151.7 °C 132.5 °C   152 °C (decomposition)
No. 2 (1 54.8-1 55 °C) (138.2 -138.8°C) melting occured under decomposition, formation of decomposition products
No. 3 151.6- 152.3 °C 137.7- 138.2 °C  
No. 4 151.6- 152.2 °C 138.2 °C  

Applicant's summary and conclusion

Conclusions:
The test item melts under decomposition at 152 °C.
Executive summary:

The melting point was determined according to OECD 102 using a melt microscope.

The test item melts under decomposition at 152 °C.