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Physical & Chemical properties

Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Qualifier:
no guideline followed
Principles of method if other than guideline:
The melting point is just cited in a publication where 3,5-dimethylpyrazole is synthesized.
GLP compliance:
no
Type of method:
other: Melting points were determined using on veego melting point apparatus and were uncorrected.
Specific details on test material used for the study:
Formula: C5H8N2
MW: 96.13
IR (KBr disc) υmax (cm-1): 3384 (NH), 1620.45 (C=N), 1512.22 (N-N), 1476 (CH3)
1H NMR (DMSO-d6) δ (ppm): 2.34 (s, CH3), 2.72 (s, CH3), 5.86 (s, CH pyrazole), 13.4 (s, NH)
Melting / freezing pt.:
88 °C
Remarks on result:
other: MP is only cited without any other details
Conclusions:
The melting point of 3,5-dimethylpyrazole is just cited as 88°C in a publication where the substance is synthesized.
Executive summary:

The melting point of 3,5-dimethylpyrazole is just cited as 88°C in a publication where the substance is synthesized.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Qualifier:
no guideline followed
Principles of method if other than guideline:
The melting point is just cited in a publication where 3,5-dimethylpyrazole is synthesized.
GLP compliance:
no
Type of method:
other: not specified
Melting / freezing pt.:
>= 107 - <= 107.5 °C
Remarks on result:
other: MP has been used to estabish purity of 3,5-dimethylpyrazole
Conclusions:
Melting point of 3,5-dimethylpyrazole has been determined as 107-170.5°C in a metabolism study in rat.
Executive summary:

Melting point of 3,5-dimethylpyrazole has been determined as 107-170.5°C in a metabolism study in rat.

Description of key information

The melting point of 3,5-dimethylpyrazole is just cited as 88°C in a publication where the substance is synthesized.

Melting point of 3,5-dimethylpyrazole has been determined as 107-170.5°C in a metabolism study in rat.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
107 °C

Additional information