Molekula

Pyrazole

SKU 55553959 CAS 288-13-1 C3H4N2 MW 68.08 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Pyrazole is a heterocyclic organic compound used as an intermediate in the synthesis of agrochemicals, pharmaceuticals, and dyes. It also serves as a chelating agent and ligand for binding metal ions in coordination chemistry. It exhibits moderate toxicity and requires careful handling. Available in powder form with a molecular weight of 68.08 g/mol, its chemical formula is C3H4N2, and it is identified by CAS number 288-13-1. Stored at ambient temperatures, it is classified as a hazardous substance with a signal word of Danger. Molekula supplies Pyrazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 55553959
CAS Number: 288-13-1
IUPAC Name: 1H-pyrazole
EC Number: 206-017-1
Molecular Formula: C3H4N2
Molecular Weight: 68.08
Exact Mass: 68.0374
SMILES: C1=CNN=C1
InChIKey: WTKZEGDFNFYCGP-UHFFFAOYSA-N
InChI: InChI=1S/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5)
PubChem CID: 1048

Synonyms

1,2-diazole
1H-pyrazol
1H-Pyrazole
2-Pyrromonazole
3-pyrazole
diazole
Hpz
Pyrazol
s3093
WLN: T5MNJ

Literature values

Published physical properties of the substance, not batch specifications.

Melting Point: 68 °C
Boiling Point: 187 °C
Vapour Pressure: 1.19 mmHg
pKa: pKa = 2.48 (at 25 °C)

Source: PubChem CID 1048 (DrugBank, Haz-Map)

Frequently asked questions

What is pyrazole used for?

Pyrazole is used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals.

What is the chemical formula and molecular weight of pyrazole?

The formula is C3H4N2 with a molecular weight of 68.08 g/mol.

How should pyrazole be stored?

Pyrazole should be stored at ambient temperature, away from moisture and incompatible materials.

What grade of pyrazole does Molekula supply?

Molekula supplies pyrazole in technical grade; custom grades available upon request.

Can Molekula supply pyrazole in bulk?

Yes, Molekula can supply pyrazole in bulk quantities; please contact sales for details.

What documentation comes with a pyrazole order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.