4-Bromopyrazole
4-Bromopyrazole (CAS: 2075-45-8), with the molecular formula C3H3BrN2 and a molar mass of 146.97 g/mol, is a key halogenated heterocyclic building block. It is primarily utilised as a starting material in the synthesis of more complex organic molecules, notably in the preparation of 1,4′-bipyrazoles. This compound is supplied by TSS with a high purity assay, making it suitable for advanced chemical research and development applications.
Synthesis of Bipyrazoles
4-Bromopyrazole serves as a crucial precursor in the laboratory synthesis of 1,4′-bipyrazoles. Its reactive bromine atom allows for selective coupling reactions, enabling the construction of novel bipyrazole frameworks.
Heterocyclic Chemistry Research
As a substituted pyrazole derivative, this compound is valuable in exploring new synthetic methodologies within heterocyclic chemistry. Its structure is amenable to various functionalisation strategies.
Organic Synthesis Building Block
This reagent is employed as a versatile building block in organic synthesis. It can be incorporated into diverse molecular architectures requiring a pyrazole moiety functionalised with a bromine atom.
| Molecular weight | 146.97 |
|---|---|
| Empirical formula | C3H3BrN2 |
| Assay | 99% |
| Boiling point | 250-260 °C(lit.) |
| Application | Starting material employed in a synthesis of 1,4′-bipyrazoles.1 |
| Melting point | 93-96 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Bromopyrazole used for?
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4-Bromopyrazole (CAS: 2075-45-8) is used as a starting material in the synthesis of 1,4′-bipyrazoles and other heterocyclic compounds, serving as a building block in organic synthesis and heterocyclic chemistry research.
What are the CAS number and formula for 4-Bromopyrazole?
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The CAS number for 4-Bromopyrazole is 2075-45-8, and its empirical formula is C3H3BrN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromopyrazole with a minimum assay of 99%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 4-Bromopyrazole be handled safely?
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4-Bromopyrazole is a warning substance (GHS07) and may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). When handling, wear a dust mask (type N95 or equivalent), safety eyeshields, and gloves. Ensure good ventilation, avoid breathing dust, and wash hands thoroughly after handling.
Is 4-Bromopyrazole a controlled substance?
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The provided data does not indicate that 4-Bromopyrazole is a controlled substance.
How is 4-Bromopyrazole packed, shipped, and exported?
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4-Bromopyrazole is carefully packed according to industry standards to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 4-Bromopyrazole?
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To request a quote or sample for 4-Bromopyrazole, please contact our sales team through the TSS website or via the provided contact details.
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