Description

Propamidine CAS NO 104-32-5 is a synthetic aromatic diamidine compound with potent antiseptic and antimicrobial properties. Its primary value lies in its effectiveness against a broad spectrum of microorganisms, including bacteria and certain protozoa, making it a critical active ingredient in specialized disinfectant and pharmaceutical formulations. This compound is essential for manufacturers in the pharmaceutical, veterinary medicine, and industrial biocides sectors who require a reliable and effective antimicrobial agent for topical applications and preservation.

Application

• Active pharmaceutical ingredient (API) in topical antiseptic creams and ointments for skin and wound infections.
• Key component in ophthalmic solutions for the treatment of eye infections, such as Acanthamoeba keratitis.
• Formulation base for veterinary disinfectants and wound care products.
• Preservative agent in select cosmetic and personal care products requiring broad-spectrum antimicrobial protection.
• Research and development chemical for studying antimicrobial mechanisms and developing new therapeutic agents.
• Disinfectant for specialized medical and laboratory equipment where targeted antimicrobial action is required.

Basic Information

Product Name	Propamidine
CAS No.	104-32-5
Molecular Formula	C17H22N4O2
Molecular Weight	314.39 g/mol
Synonyms	4,4'-(Propane-1,3-diylbis(oxy))dibenzamidine; Propamidine Isethionate (salt form); 1,3-Bis(4-amidinophenoxy)propane; Brolene (trade name); Diamidino diphenoxypropane; Propamidine diisethionate; 4,4'-(Trimethylenedioxy)dibenzamidine
EINECS	203-195-2

Quality Control

Our Propamidine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets exacting standards suitable for pharmaceutical and high-grade industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with specified parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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