3-Bromo-4-methylpyridine
3-Bromo-4-methylpyridine (CAS 3430-22-6), with the molecular formula C6H6BrN and a molecular weight of 172.02 g/mol, is a halogenated pyridine derivative. It serves as a valuable building block in organic synthesis, particularly for the construction of complex heterocyclic compounds. Its reactive bromine atom allows for versatile functionalization in pharmaceutical and agrochemical research and development.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. The bromine atom at the 3-position provides a reactive site for various coupling reactions and nucleophilic substitutions.
Pharmaceutical Research
A useful building block in medicinal chemistry for the development of novel pharmaceutical agents. Its pyridine scaffold is a common feature in many biologically active compounds.
Agrochemical Development
Contributes to the synthesis of new agrochemical compounds, including potential herbicides, insecticides, and fungicides, where the pyridine ring system is often incorporated.
Materials Science
Can be employed in the development of novel materials where halogenated heterocyclic structures are beneficial for tuning electronic or physical properties.
| Molecular weight | 172.02 |
|---|---|
| Empirical formula | C6H6BrN |
| Assay | 96% |
| Boiling point | 199-200 °C(lit.) |
| Density | 1.549 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.56(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 79 °C / 174.2 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 3-Bromo-4-methylpyridine used for?
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3-Bromo-4-methylpyridine is primarily used as an intermediate in organic synthesis, particularly in the research and development of pharmaceuticals, agrochemicals, and novel materials. Its structure makes it a valuable building block for creating more complex molecules.
What is the CAS number and formula for 3-Bromo-4-methylpyridine?
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The CAS number for 3-Bromo-4-methylpyridine is 3430-22-6, and its molecular formula is C6H6BrN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromo-4-methylpyridine with a minimum purity of 96%. We do not represent this product as USP, BP, or EP grade.
How should 3-Bromo-4-methylpyridine be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A full-face respirator and an ABEK type respirator filter are recommended. Ensure adequate ventilation and avoid inhalation of dust, fumes, or vapours. It is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Is 3-Bromo-4-methylpyridine shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Bromo-4-methylpyridine, and can arrange for international shipment.
How can I request a sample or quote for 3-Bromo-4-methylpyridine?
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To request a sample or a quote, please contact our sales team through the website or by phone. Provide the product name and CAS number (3430-22-6) for prompt service.
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