n-Butyl bromide

n-Butyl bromide

1-Bromobutane; Butyl bromide; n-Butyl bromide

CAS 109-65-9

Chemical Formula C₄H₉Br

Molecular Weight 137.02 g/mol

N-Butyl bromide is an organic compound used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and other specialty chemicals. It also serves as a reagent in organic synthesis and research laboratories.

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Industrial Uses

1. Pharmaceuticals

  • Alkylating Agent for API Intermediates: N-Butyl bromide is widely used in the synthesis of pharmaceutical intermediates, especially where butyl group substitution is needed. It acts as a source of the butyl group in the preparation of active pharmaceutical ingredients (APIs).
  • Precursor to Butylated Drug Molecules: Used in reactions to produce butyl esters and amides that improve drug solubility and bioavailability.

2. Agrochemicals

  • Intermediate for Pesticide Synthesis: N-Butyl bromide is used to introduce alkyl chains in agrochemicals, particularly in insecticides, herbicides, and fungicides, to enhance lipophilicity and biological activity.
  • Synthesis of Quaternary Ammonium Salts: Used in making cationic surfactants and biocides, which are important for agricultural formulations and pest control agents.

3. Performance Chemicals

  • Building Block in Organic Synthesis: As a primary alkyl halide, it is frequently used in Grignard reactions, nucleophilic substitution, and Wurtz-type coupling for making larger carbon chains and complex organic molecules.
  • Precursor for Butyl Derivatives: Used to prepare butyl ethers, butyl amines, and butyl esters, which are intermediates in the production of solvents, plasticizers, and fine chemicals.
  • Model Compound in Reaction Mechanism Studies: Used as a model alkyl halide in research for studying SN1/SN2 reactions, nucleophilic substitutions, and kinetics in organic chemistry education and R&D labs.
  • Solvent and Reagent in Synthesis: Employed as a solvent or reagent in small-scale organic synthesis and compound derivatization.

4. Flavours & Fragrances 

  • Synthesis of Aroma Compounds: Used as a starting material for synthesizing butyl-containing esters, which are used as fragrance components in perfumes and flavour enhancers in food-grade applications (indirect usage).

 5. Polymers & Resins

  • Chain Transfer Agent in Polymerization: Acts as a chain transfer agent or initiator in certain polymerization reactions (e.g., emulsion polymerization) to control molecular weight and polymer structure.
  • Additive in Functional Polymers: Used in the production of specialty polymers requiring butyl functionalization for hydrophobicity or flexibility.

Specifications

Assay ≥ 99%
Appearance Colorless liquid
Odor Sharp, ether-like odor
Boiling Point 101–103 °C
Melting Point −112 °C
Density 1.276 g/cm³ at 20 °C
Solubility Slightly soluble in water; miscible with alcohol and ether
Viscosity ~0.8 cP at 25 °C
Flash Point 16 °C (closed cup)

Hazard Symbols

Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of n-Butyl bromide in India?
The price n-Butyl bromide can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.630 100 6301 directly for a customized quote tailored to your needs.

2. Where can I buy n-Butyl bromide in India?
You can purchase n-Butyl bromide from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for n-Butyl bromide?
Our minimum order quantity (MOQ) n-Butyl bromide is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of n-Butyl bromide supplied by Multichem?                   
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.