Description

2-(5-Bromopentyl)-1,3-Dioxolane is a versatile brominated acetal building block, primarily used as a key synthetic intermediate in organic chemistry. Its value lies in its bifunctional structure, where the bromoalkyl chain offers a handle for nucleophilic substitution and the dioxolane group serves as a protected aldehyde equivalent. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require a reliable precursor for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a functionalized pentyl chain or a masked aldehyde functionality.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, where its reactive bromine atom facilitates chain elongation and cyclization reactions.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing advanced organic electronic materials, including liquid crystals and components for organic light-emitting diodes (OLEDs).
• Polymer & Resin Modifier: Employed to introduce functional groups into polymer backbones, modifying properties like flexibility, adhesion, or reactivity for specialty coatings and resins.
• Cross-Coupling Reactions: Acts as an electrophilic partner in various metal-catalyzed cross-coupling reactions (e.g., Suzuki, Negishi) to form carbon-carbon bonds.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D labs for constructing complex natural products, fragrances, and novel heterocyclic compounds.

Basic Information

Product Name	2-(5-Bromopentyl)-1,3-Dioxolane
CAS No.	56741-68-5
Molecular Formula	C8H15BrO2
Molecular Weight	223.11 g/mol
Synonyms	5-Bromo-1-pentanal ethylene acetal; 5-Bromopentanal ethylene acetal; 1,3-Dioxolane, 2-(5-bromopentyl)-; 5-Bromoamylaldehyde ethylene acetal; 2-(5-Bromopentyl)-1,3-dioxolane; 5-Bromovaleraldehyde ethylene acetal; Bromoacetaldehyde pentyl acetal (related); (5-Bromopentyl)glyoxal ethylene acetal
EINECS	Contact for details

Quality Control

Our 2-(5-Bromopentyl)-1,3-Dioxolane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.480
Density (g/mL, 20°C)	1.30 - 1.40

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.