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Pyazole
This standard specifies the requirements for pyrazole, sampling, test method inspection rules, and marking, labeling, packaging, transportation, and storage.
This standard applies to product quality control of pyrazole
Molecular formula: C3H4N2
Relative molecular weight: 68.08
CAS number: 288-13-1
Quality
Details description
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Project |
Index |
experiment method |
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Premium |
First grade |
Qualified product |
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|
Exterior |
White crystals |
White light yellow crystal |
White light yellow crystal |
5.2 |
|
Initial melting point of dry product |
≥69.0 |
≥68.8 |
≥68.0 |
5.3 |
|
Pyrazole content/% |
≥99.5 |
≥99.0 |
≥98.0 |
5.4 |
|
Low volatile matter/% |
≤0.5 |
≤0.5 |
≤0.5 |
5.4 |
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