Description

1-Octadecylbiguanide Monohydrochloride is a cationic biguanide compound widely recognized for its potent antimicrobial and preservative properties. This chemical is valued for its broad-spectrum efficacy against bacteria, fungi, and algae, making it a critical functional additive in various industrial formulations. It is primarily sought after by manufacturers in the personal care, coatings, textiles, and water treatment industries for its role in enhancing product shelf-life and performance stability.

Application

• Personal Care & Cosmetics: Used as a highly effective preservative in creams, lotions, shampoos, and other aqueous formulations to prevent microbial spoilage.
• Paints & Coatings: Acts as an in-can preservative and dry-film fungicide to protect water-based paints, adhesives, and polymer emulsions from biodeterioration.
• Textile & Leather Processing: Employed as an antimicrobial finishing agent to impart durable hygiene properties to fabrics, fibers, and leather goods.
• Industrial Water Treatment: Functions as a biocide in cooling water systems, pulp and paper processing, and metalworking fluids to control microbial growth.
• Disinfectants & Sanitizers: Serves as a key active ingredient in formulations for surface disinfectants, hard-surface cleaners, and sanitizing solutions.
• Plastics & Polymers: Incorporated as an antimicrobial additive during the manufacturing of polymers to create materials with inherent hygiene properties.

Basic Information

Product Name	1-Octadecylbiguanide Monohydrochloride
CAS No.	23604-20-8
Molecular Formula	C21H46ClN5
Molecular Weight	404.08 g/mol
Synonyms	Octadecylbiguanide Hydrochloride; Stearylbiguanide Hydrochloride; 1-Stearylbiguanidine Monohydrochloride; NSC 3293; Octadecylguanidine Hydrochloride; Biguanide, 1-octadecyl-, monohydrochloride; Stearyl Guanidine Hydrochloride
EINECS	Contact for details

Quality Control

Our 1-Octadecylbiguanide Monohydrochloride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment to support your quality assurance protocols.

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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent absorption of moisture and caking.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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