4-Bromopyrazole, 98%, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10673975	Thermo Scientific Acros 396820010	1 g	Glass bottle
10386344	Thermo Scientific Acros 396820050	5 g	Glass bottle
10245054	Thermo Scientific Acros 396820250	25 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: 2075-45-8
• Molecular Weight (g/mol): 146.98
• InChI Key: WVGCPEDBFHEHEZ-UHFFFAOYSA-N
• IUPAC Name: 4-bromo-1H-pyrazole

• Molecular Formula: C3H3BrN2
• MDL Number: MFCD00075602
• PubChem CID: 16375
• SMILES: BrC1=CNN=C1

Specifications

• CAS: 2075-45-8
• CAS Max %: 100.0
• Color: White to Cream
• Infrared Spectrum: Authentic
• Molecular Formula: C3H3BrN2
• Synonym: 4-bromopyrazole, 1h-pyrazole, 4-bromo, 4-brompyrazole, 4-bromo-pyrazole, pyrazole, 4-bromo, 4-bromo pyrazole, byz, zlchem 126, 1h-pyrazole,4-bromo, pubchem11041
• SMILES: BrC1=CNN=C1
• Molecular Weight (g/mol): 146.98
• Formula Weight: 146.97
• Physical Form: Crystalline Powder

• CAS Min %: 97.5
• Melting Point: 93.0°C to 96.0°C
• Boiling Point: 250.0°C to 260.0°C
• Assay Percent Range: 97.5% min. (HPLC)
• MDL Number: MFCD00075602
• InChI Key: WVGCPEDBFHEHEZ-UHFFFAOYSA-N
• IUPAC Name: 4-bromo-1H-pyrazole
• PubChem CID: 16375
• Percent Purity: 98%
• Chemical Name or Material: 4-Bromopyrazole

Safety and Handling

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

GHS P Statement:
Avoid breathing dust/fume/gas/mist/vapors/spray.
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

Product Identifier

• 4-Bromopyrazole

Signal Word

• Warning

Hazard Category

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

Hazard Statement

• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.
• H315-Causes skin irritation.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• 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