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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 February 2013 - 28 March 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study has been performed in accordance with the EC A.1 and OECD 102 guidelines and complied with the principles of GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7200 (Melting Point / Melting Range)
GLP compliance:
yes
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
3-aminopyrazine-2-carboxylic acid
EC Number:
226-558-7
EC Name:
3-aminopyrazine-2-carboxylic acid
Cas Number:
5424-01-1
Molecular formula:
C5H5N3O2
IUPAC Name:
3-aminopyrazine-2-carboxylic acid
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Name of test material (as cited in study report): Amiloride Compound 5
- Description: Tan powder
- Storage condition of test material: In refrigerator (2-8°C) protected from light, desiccated
- Other: Reactive to light, moisture and oxygen

Results and discussion

Melting / freezing point
Melting / freezing pt.:
206 °C
Remarks on result:
other: Melt. pt.: 479 K; Decomposition during melting

Applicant's summary and conclusion

Conclusions:
The melting temperature of Amiloride Compound 5 was determined to be 206°C using differential scanning calorimetry (GLP-compliant study in accordance with EC A.1, OECD 102 and EPA OPPTS 830.7200). The substance decomposes during melting