Pyridine hydrobromide
Pyridine hydrobromide (CAS: 18820-82-1), with the formula C5H5N · HBr and a molecular weight of 160.01 g/mol, is a chemical compound that serves as a valuable reagent and building block in organic synthesis. It is frequently employed in the preparation of various organic molecules and heterocyclic compounds. This product is supplied by Tech Serve Solutions with an assay of ≥98.0% (AT) and typically contains no more than 0.5% water.
- IUPAC
- Pyridinium bromide

Organic Synthesis Reagent
Pyridine hydrobromide acts as a source of bromide ions or as a protonating agent in various organic reactions. It is utilized in the synthesis of complex organic molecules and heterocyclic compounds, contributing to the development of novel chemical entities.
Building Block in Heterocyclic Chemistry
As a derivative of pyridine, this compound is integral in the construction of various heterocyclic ring systems. Its structure allows for diverse synthetic modifications, making it a versatile intermediate in medicinal chemistry and materials science research.
Research and Development
This chemical is employed in laboratory settings for research and development purposes, facilitating the exploration of new synthetic pathways and the characterisation of new compounds. Its well-defined properties make it a reliable reagent for academic and industrial research.
| Molecular weight | 160.01 |
|---|---|
| Empirical formula | C5H5N · HBr |
| Assay | ≥98.0% (AT) |
| Impurities tested | ≤0.5% water |
| Melting point | 200 °C (dec.)(lit.)210-218 °C |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-36 |
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 Pyridine hydrobromide used for?
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Pyridine hydrobromide is primarily used as a reagent and building block in organic synthesis, particularly in the preparation of heterocyclic compounds and other complex organic molecules.
What are the CAS number and formula for Pyridine hydrobromide?
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The CAS number for Pyridine hydrobromide is 18820-82-1, and its formula is C5H5N · HBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyridine hydrobromide with an assay of ≥98.0% (AT). TSS does not represent this product as USP, BP, or EP grade.
How should Pyridine hydrobromide be handled safely?
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Pyridine hydrobromide is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, as well as respiratory irritation. Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn. Ensure adequate ventilation and avoid breathing dust.
Is Pyridine hydrobromide a controlled substance?
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The provided data does not indicate that Pyridine hydrobromide is a controlled substance.
How is Pyridine hydrobromide packed and shipped?
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Pyridine hydrobromide is carefully packed to ensure safe transit and is available for export worldwide by Tech Serve Solutions, a specialist global supplier.
How can I request a quote or sample for Pyridine hydrobromide?
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To request a quote or a sample of Pyridine hydrobromide, please contact our sales team through the TSS website.
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