Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study according to international accepted guidelines but not GLP compliant.

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
ASTM E537-98 (Newer version of ASTM E537-76)
Deviations:
no
GLP compliance:
no
Type of method:
thermal analysis
Remarks:
derivatography

Test material

Constituent 1
Chemical structure
Reference substance name:
(2,3-dichlorophenyl)oxoacetonitrile
EC Number:
278-747-9
EC Name:
(2,3-dichlorophenyl)oxoacetonitrile
Cas Number:
77668-42-9
Molecular formula:
C8H3Cl2NO
IUPAC Name:
2,3-dichlorobenzoyl cyanide
Test material form:
solid: crystalline
Details on test material:
Test item: 2,3-DICHLOROBENZOYL NITRILE
CAS No.: 77668-42-9
Physical state: Yellow, crystalline powder
Colour: Light-yellow
Storage 15-30°C

Results and discussion

Melting / freezing point
Melting / freezing pt.:
64 °C
Decomposition:
yes
Remarks:
From 85°C to 236°C the decomposition is getting faster. The weight loss is 0,2% up to 85°C and 90% up to 236°C.
Sublimation:
no

Applicant's summary and conclusion

Conclusions:
The melting point of 2,3-dichlorobenzoyl nitrile is 64°C.