Pyrazole, 98%, pure, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10225280	Thermo Scientific Acros	25 g	Glass bottle
10235280	Thermo Scientific Acros 131741000	100 g	Glass bottle

Description

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

Chemical Identifiers

• CAS: 288-13-1
• Molecular Weight (g/mol): 68.08
• InChI Key: WTKZEGDFNFYCGP-UHFFFAOYSA-N
• PubChem CID: 1048
• IUPAC Name: 1H-pyrazole

• Molecular Formula: C₃H₄N₂
• MDL Number: MFCD00005234
• Synonym: pyrazole, 1,2-diazole, 1h-pyrazol, pyrazol, unii-3qd5kjz7zj, 3qd5kjz7zj, diazole, hpz, 1-h-pyrazole, pyrazol#1
• ChEBI: CHEBI:17241
• SMILES: C1=CNN=C1

Specifications

• CAS: 288-13-1
• Color: White to Yellow
• Infrared Spectrum: Authentic
• Molecular Formula: C₃H₄N₂
• Beilstein: 23, 39
• Merck Index: 15, 8071
• Solubility Information: Solubility in water: soluble. Other solubilities: soluble in alcohol,ether and benzene
• SMILES: C1=CNN=C1
• Molecular Weight (g/mol): 68.08
• ChEBI: CHEBI:17241
• Percent Purity: 98%
• Physical Form: Crystalline Powder or Crystals

• Melting Point: 66.0°C to 70.0°C
• Boiling Point: 186.0°C to 188.0°C
• Assay Percent Range: 97.5% min. (GC)
• MDL Number: MFCD00005234
• Fieser: 01,958; 12,419
• Synonym: pyrazole, 1,2-diazole, 1h-pyrazol, pyrazol, unii-3qd5kjz7zj, 3qd5kjz7zj, diazole, hpz, 1-h-pyrazole, pyrazol#1
• InChI Key: WTKZEGDFNFYCGP-UHFFFAOYSA-N
• IUPAC Name: 1H-pyrazole
• PubChem CID: 1048
• Formula Weight: 68.08
• Grade: Pure
• Chemical Name or Material: Pyrazole, 98%

Safety and Handling

GHS H Statement:
Harmful if swallowed.
Causes serious eye irritation.
May cause respiratory irritation.
Causes skin irritation.

GHS P Statement:
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
IF ON SKIN: Wash with plenty of soap and water.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

GHS Signal Word: Warning

missing translation for 'einecsNumber' : 206-017-1

missing translation for 'rtecsNumber' : UQ4900000

missing translation for 'tsca' : TSCA

Product Identifier

• Pyrazole

Signal Word

• Warning

Hazard Category

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.
• H302-Harmful if swallowed.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only