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Identification |
Name |
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1H-Pyrazol-5(4H)-one |
Synonyms |
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2,4-Dihydro-3H-pyrazol-3-one; 5-Pyrazolone; NSC 243823 |
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Molecular Structure |
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Molecular Formula |
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C3H4N2O |
Molecular Weight |
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84.08 |
CAS Registry Number |
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137-44-0 |
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Properties |
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Solubility |
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Freely soluble (108 g/L) (25 ºC), Calc.* |
Density |
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1.44±0.1 g/cm3 (20 ºC 760 Torr), Calc.* |
Melting point |
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268 ºC** |
Boiling point |
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143-144 ºC (0.3 Torr)*** |
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*
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Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)
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**
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Clemo, George R.; Journal of the Chemical Society 1934, P1739-41.
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***
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Makisumi, Yasuo; Tetrahedron Letters 1966, (52), P6413-17.
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Market Analysis Reports |
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