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 guideline but not GLP compliant.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report Date:
2005

Materials and methods

Test guideline
Qualifier:
according to
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

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: crystalline
Details on test material:
Test item: 2,3-DICHLOROBENZOIC ACID
CAS No.: 50-45-3
Physical state: Solid, crystalline powder
Colour: White
Storage: 15-30°C, protected from moisture

Results and discussion

Melting / freezing point
Melting / freezing pt.:
167 °C
Atm. press.:
ca. 101 kPa
Decomposition:
yes
Remarks:
The weight loss is 2% up to 163°C and 100% up to 250°C.
Sublimation:
no

Applicant's summary and conclusion

Conclusions:
The melting point of 2,3-dichlorobenzoic acid (CAS: 50-45-3) is 167°C.