4-Methyl-1H-pyrazole, 97+%

Description

CAS: 7554-65-6 | C4H6N2 | 82.106 g/mol

4-Methyl-1H-pyrazole is used as an antidote in methanol and ethylene glycol poisoning. It is also employed as an alcohol dehydrogenase inhibitor. It acts a ligand in coordination chemistry. Further, it serves as an intermediate in organic synthesis.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
4-Methyl-1H-pyrazole is used as an antidote in methanol and ethylene glycol poisoning. It is also employed as an alcohol dehydrogenase inhibitor. It acts a ligand in coordination chemistry. Further, it serves as an intermediate in organic synthesis.

Solubility
Miscible with water, ether, benzene and alcohol.

Notes
Hygroscopic. Incompatible withstrong oxidizing agents, strong acids, acid chlorides, acid anhydrides and chloroformates.

Specifications

Chemical Identifiers

• CAS: 7554-65-6
• Molecular Formula: C4H6N2
• Molecular Weight (g/mol): 82.106
• MDL Number: MFCD00005245
• InChI Key: RIKMMFOAQPJVMX-UHFFFAOYSA-N
• Synonym: 4-methylpyrazole, fomepizole, antizol, 1h-pyrazole, 4-methyl, fomepizol, 4-methylpyrazol, fomepizolum, fomepizol inn-spanish, fomepizolum inn-latin, fomepizole usan:inn
• PubChem CID: 3406
• ChEBI: CHEBI:5141
• IUPAC Name: 4-methyl-1H-pyrazole
• SMILES: CC1=CNN=C1

• Melting Point: 13°C
• Density: 1.018
• Boiling Point: 204°C to 207°C
• Flash Point: 96°C (204°F)
• Refractive Index: 1.4945
• Quantity: 1 g
• Beilstein: 105204
• Sensitivity: Air Sensitive
• Merck Index: 14,4216
• Solubility Information: Miscible with water,ether,benzene and alcohol.
• Formula Weight: 82.11
• Percent Purity: ≥97%
• Chemical Name or Material: 4-Methyl-1H-pyrazole

Safety and Handling

Hazard Category	H302+H312-H314-H335
Hazard Statement	GHS H Statement H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c
DOTInformation	Hazard Class: 8; Packaging Group: III
EINECSNumber	231-445-0
RTECSNumber	UQ7350000
TSCA	No

SDS

RUO – Research Use Only