Description

1,1'-Pentamethylenebis(3,5-Dimethylpyridinium Bromide) is a high-purity, bis-quaternary ammonium salt compound with significant utility as a chemical intermediate and a versatile building block. Its value lies in its ability to act as a phase-transfer catalyst and a precursor for synthesizing more complex functional molecules. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality raw materials for advanced synthesis and process development.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring quaternary ammonium functionalities.
• Phase-Transfer Catalyst (PTC): Used to facilitate reactions between reagents in immiscible phases, improving yield and efficiency in organic synthesis.
• Agrochemical Synthesis: Employed in the development and production of advanced herbicides, fungicides, and plant growth regulators.
• Surfactant & Disinfectant Precursor: Acts as a building block for creating cationic surfactants and biocidal agents with specific chain lengths and properties.
• Material Science Research: Utilized in the development of ionic liquids, polymeric materials, and other advanced functional materials.
• Biochemical Research: May be used in studies involving enzyme inhibition, membrane transport, or as a tool compound in biological assays.

Basic Information

Product Name	1,1'-Pentamethylenebis(3,5-Dimethylpyridinium Bromide)
CAS No.	67261-31-8
Molecular Formula	C19H28Br2N2
Molecular Weight	444.25 g/mol
Synonyms	1,1'-(Pentane-1,5-diyl)bis(3,5-dimethylpyridinium) dibromide; 3,5-Dimethyl-1-(5-(3,5-dimethylpyridinium-1-yl)pentyl)pyridinium dibromide; Pentamethylene-1,5-bis(3,5-dimethylpyridinium bromide); 1,5-Bis(3,5-dimethyl-1-pyridinio)pentane dibromide; 3,3'-(Pentamethylenedi-1,5-diyl)bis(5-methylpyridinium) dibromide; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our 1,1'-Pentamethylenebis(3,5-Dimethylpyridinium Bromide) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for research and industrial use. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request 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 place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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