n-Octyl bromide

n-Octyl bromide

1-Bromooctane; Octyl bromide; n-Octyl bromide; 1-Octyl bromide

CAS 111-83-1

Chemical Formula C₈H₁₇Br

Molecular Weight 193.13 g/mol

n-Octyl bromide is a straight-chain alkyl bromide used as an intermediate in the production of pharmaceuticals, surfactants, and specialty chemicals. It is also utilized in organic synthesis for introducing octyl groups into various compounds.

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Industrial Uses

1. Pharmaceuticals

  • Intermediate for Lipophilic Drug Molecules: n-Octyl bromide is used to introduce straight-chain alkyl groups into drug intermediates, which improves membrane permeability, solubility in fats, and drug absorption.
  • Building Block for API Side Chains: Its long carbon chain is utilized in the synthesis of API intermediates that require non-polar substituents for enhanced pharmacokinetics.

2. Agrochemicals

  • Intermediate for Hydrophobic Pesticides: Acts as a precursor for herbicides and insecticides where long-chain alkyl groups help in penetration into plant cuticles or insect exoskeletons.
  • Raw Material for Quaternary Ammonium Compounds: n-Octyl bromide reacts with tertiary amines to form octyl-based quaternary salts, which are used as biocides, algaecides, and surfactants in crop protection and sanitation.

3. Polymers & Resins

  • Additive for Hydrophobic Functionalization: In polymer modification, n-Octyl bromide is used to add long-chain alkyl groups to resins, enhancing water repellency, flexibility, and surface slickness.
  • Modifier in Surfactant-Modified Plastics: Utilized in producing amphiphilic copolymers where the long alkyl tail increases compatibility with non-polar systems, ideal for polymer emulsions and films.

4. Performance Chemicals

  • Grignard Reagent Precursor (Octylmagnesium bromide): Used in the preparation of Grignard reagents for carbon–carbon bond formation. These are widely applied in organic synthesis of specialty chemicals, fragrances, and ligands.
  • Precursor for Octyl Derivatives: Acts as a raw material for producing esters, ethers, and amines that carry long alkyl chains, contributing to lubricant additives, antistatic agents, and release agents.
  • SN2 Reaction Substrate: n-Octyl bromide is commonly used in labs to demonstrate nucleophilic substitution reactions (SN2) and chain-length effects on reactivity.
  • Surface Modification Studies: Applied in research related to hydrophobic surface treatment, self-assembled monolayers (SAMs), or tailoring surfactant behavior.

 5. Personal Care 

  • Intermediate for Octyl Esters: Used to prepare octyl esters (e.g., octyl acetate, octyl salicylate), which are used in perfumes, sunscreens, emollients, and hair conditioners due to their skin-smoothing and scent-carrying properties.

Specifications

Assay ≥ 98%
Appearance Clear, colorless to pale yellow liquid
Odor Mild, sweet odor
Boiling Point ~201 °C
Melting Point −67 °C
Density ~1.06 g/cm³ at 20 °C
Solubility Insoluble in water; soluble in alcohols, ethers
Viscosity ~3.2 cP at 25 °C
Flash Point ~82 °C (closed cup)

FAQs

1. What is the current price of n-Octyl bromide in India?
The price n-Octyl 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-Octyl bromide in India?
You can purchase n-Octyl 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-Octyl bromide?
Our minimum order quantity (MOQ) n-Octyl 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-Octyl 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.