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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Well documented, according to accepted guidelines.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
thermal analysis
Remarks:
Differential scanning calorimetry (DSC)

Test material

Constituent 1
Chemical structure
Reference substance name:
1H-1,2,4-triazole, sodium salt
EC Number:
255-280-9
EC Name:
1H-1,2,4-triazole, sodium salt
Cas Number:
41253-21-8
Molecular formula:
C2H3N3.Na
IUPAC Name:
sodium 1,2,4-triazol-1-ide
Details on test material:
- Name of test material (as cited in study report): 1,2,4-Triazole sodium salt
- Analytical purity: 99.3%
- Lot/batch No.: LSTN1A1023
- Expiration date of the lot/batch: 2010-04-14

Results and discussion

Melting / freezing point
Melting / freezing pt.:
311.5 °C
Decomposition:
yes
Remarks:
Although a melting point can be determined under specific conditions, the overall thermal behaviour of the test item in the temperature range above 300 °C is dominated by thermal decomposition.
Remarks on result:
other: The test substance could not be recrystallized.

Applicant's summary and conclusion