| Formula / Notation | C3H4N2 |
|---|---|
| CAS Number | 288-13-1 |
| Molecular Weight | 68.08 |
| Melting Point | 68 °C |
| Boiling Point | 187 °C |
| Solubility | 19400 mg/L (at 25 °C) |
| Appearance | Solid with an odor like pyridine; [Merck Index] Colorless crystalline solid; [Sigma-Aldrich MSDS] |
| Also Known As | 1H-pyrazole; 1H-Pyrazole; 288-13-1; 1,2-diazole; Pyrazol; 1H-pyrazol; 3QD5KJZ7ZJ; DTXSID2059774; NSC45410; NSC-45410 |
| Category | Organic Compounds |
What is Pyrazole?
1H-pyrazole is the 1H-tautomer of pyrazole. It is a conjugate base of a pyrazolium. It is a conjugate acid of a pyrazol-1-ide. It is a tautomer of a 3H-pyrazole and a 4H-pyrazole.
Formula & Notation
IUPAC Name: 1H-pyrazole
Other Names / Synonyms: 1H-pyrazole; 1H-Pyrazole; 288-13-1; 1,2-diazole; Pyrazol; 1H-pyrazol; 3QD5KJZ7ZJ; DTXSID2059774; NSC45410; NSC-45410
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 68 °C |
| Boiling Point | 187 °C |
| Molecular Weight | 68.08 |
| Solubility | 19400 mg/L (at 25 °C) |
| Appearance | Solid with an odor like pyridine; [Merck Index] Colorless crystalline solid; [Sigma-Aldrich MSDS] |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
1H-pyrazole is the 1H-tautomer of pyrazole. It is a conjugate base of a pyrazolium. It is a conjugate acid of a pyrazol-1-ide. It is a tautomer of a 3H-pyrazole and a 4H-pyrazole.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Pyrazole is: C3H4N2