Registration Dossier
Registration Dossier
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EC number: 202-718-1 | CAS number: 98-97-5
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- 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:
- data from handbook or collection of data
- Justification for type of information:
- Data from handbook & authorative databases
- Qualifier:
- according to guideline
- Guideline:
- other: As mention below
- Principles of method if other than guideline:
- To determine the melting point of pyrazine-2-carboxylic acid
- GLP compliance:
- no
- Type of method:
- other: Not specified
- Specific details on test material used for the study:
- - Name of test material: Pyrazinoic acid
- Molecular formula: C5H4N2O2
- Molecular weight: 124.099 g/mol
- Smiles notation: c1ncc(C(=O)O)nc1
- InChl: 1S/C5H4N2O2/c8-5(9)4-3-6-1-2-7-4/h1-3H,(H,8,9)
- Physical state: Solid - Key result
- Decomposition:
- yes
- Decomp. temp.:
- 225 °C
- Sublimation:
- no
- Remarks on result:
- other: No other detail available
- Conclusions:
- It is concluded that the decomposition temperature of pyrazine-2-carboxylic acid is 225 °C. At this temperature pyrazine-2-carboxylic acid starts decomposing.
- Executive summary:
It is concluded that the decomposition temperature of pyrazine-2-carboxylic acid is 225 °C. At this temperature pyrazine-2-carboxylic acid starts decomposing.
Reference
Description of key information
It is concluded that the decomposition temperature of pyrazine-2-carboxylic acid is 225 °C. At this temperature pyrazine-2-carboxylic acid starts decomposing.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 225 °C
Additional information
It is concluded that the decomposition temperature of pyrazine-2-carboxylic acid is 225 °C. At this temperature pyrazine-2-carboxylic acid starts decomposing. From the other reliable sources it concluded that pyrazine-2-carboxylic acid having decomposition temperature in range of 222 to 225 Deg C.
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