Pyrazole, 98%
Buy Pyrazole, 98% (CAS 288-13-1) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 5 g. Catalogue no. ZX-011702.
About Pyrazole, 98%
Zemixal supplies Pyrazole, 98% within its pharma Intermediates & Building Blocks portfolio. Key data (98%): CAS 288-13-1, formula C3H4N2 and molar mass 68.08 g/mol. Typical appearance is colourless to white to off-white crystals to chunks.
Use cases we see most often
- Coordination chemistry
- Organic synthesis
Handling and storage
Reported physical data: melting point 67-70 °C. It carries the GHS signal word Danger (H302, H311, H315 and H318), so wear gloves and eye protection and work with good ventilation.
Available as 5 g, 25 g, 100 g, 1 kg and 25 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Coordination chemistry
- Organic synthesis
Applications
Specifications and identifiers
| Product name | Pyrazole, 98% |
|---|---|
| Catalogue number | ZX-011702 |
| CAS number | 288-13-1 |
| IUPAC name | 1H-pyrazole |
| Molecular formula | C3H4N2 |
| Molar mass | 68.08 g/mol |
| Exact mass | 68.0374 |
| Purity / assay | 98% |
| Physical form | Crystalline |
| Appearance | Colourless to white to off-white crystals to chunks |
| Melting point | 67-70 °C |
| XLogP3 | 0.3 |
| H-bond donors / acceptors | 1 / 1 |
| Topological polar surface area | 28.7 Ų |
| HS code | 29333990 |
| InChIKey | WTKZEGDFNFYCGP-UHFFFAOYSA-N |
| SMILES | C1=CNN=C1 |
| PubChem CID | 1048 |
| Synonyms | 1,2-Diazole, Pyrazol, 1H-pyrazol, 2-Pyrromonazole, Pyrazole-, 3-pyrazole, Pyrazole, purum, >=98.0% (GC), Pyrazole Solution in Methanol, 1000ug/mL |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H318Causes serious eye damage
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H372Causes damage to organs through prolonged or repeated exposure
- H412Harmful to aquatic life with long lasting effects
Precautionary statements P260, P261, P262, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P319, P321, P330, P332 + P317, P337 + P317, P361 + P364, P362 + P364, P403 + P233
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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