CAS Number4344-87-0
SynonymsMFCD00010705; 3-Methyl-3-pyrazolin-5-one; 3-Methyl-5-hydroxypyrazole; 5-Methyl-2,4-dihydro-3H-pyrazol-3-one; 3-methyl-2-pyrazolin-5-one
Molecular FormulaC4H6N2O
Molecular Weight98.103
Purity98%
Density1.3±0.1 g/cm3
Boiling Point309.7 °C at 760 mmHg
Melting Point223-225 °C(lit.)
AppearanceLight yellow crystalline powder
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 4344-87-0 |
| Catalog No. | 2A-9004616 |
| Chinese Name | 3-甲基-3-吡唑啉-5-酮 |
| Synonyms | MFCD00010705; 3-Methyl-3-pyrazolin-5-one; 3-Methyl-5-hydroxypyrazole; 5-Methyl-2,4-dihydro-3H-pyrazol-3-one; 3-methyl-2-pyrazolin-5-one |
| Molecular Formula | C4H6N2O |
| Molecular Weight | 98.103 |
| Purity | 98 |
| Density | 1.3±0.1 g/cm3 |
| Boiling Point | 309.7 °C at 760 mmHg |
| Melting Point | 223-225 °C(lit.) |
| Appearance | Light yellow crystalline powder |
| Storage Condition | Store at room temperature, away from light, in a v |
| HTC | 2933199090 |
| SMILES | Cc1cc(=O)[nH][nH]1 |
| InChI | InChI=1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H2,1H3,(H,6,7) |
| InChI Key | WGVHNCAJPFIFCR-UHFFFAOYSA-N |
| Hazard Symbols | Xi |
| Risk Codes | R36/37/38 |
| Safety Description | S26;S37/39 |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Product name: Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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