PHMB Manufacturer & Supplier

Polyhexamethylene Biguanide Hydrochloride for Industrial Antimicrobial Applications

Introduction

Easychem is a professional PHMB manufacturer and supplier providing high-quality Polyhexamethylene Biguanide Hydrochloride (PHMB) for global industrial applications.

PHMB is a broad-spectrum antimicrobial polymer widely used for controlling bacteria, fungi and algae growth in various systems. Due to its excellent antimicrobial performance, water solubility and compatibility with many formulations, PHMB is used in water treatment, aquaculture, disinfectants, industrial cleaning, coatings and other antimicrobial applications.

We supply PHMB in different grades and concentrations, including PHMB solution and PHMB powder, with stable quality, competitive pricing and reliable bulk supply capability.

Product Information

PHMB (Polyhexamethylene Biguanide Hydrochloride)

Item	Information
Product Name	Polyhexamethylene Biguanide Hydrochloride
INCI Name	Polyaminopropyl Biguanide
CAS No.	32289-58-0
Other CAS Numbers	27083-27-8 / 28757-47-3 / 133029-32-0 （PAPB）
Abbreviation	PHMB
Function	Antimicrobial Agent / Biocide / Preservative

Note: In cosmetic ingredient references, PHMB is commonly identified by the INCI name Polyaminopropyl Biguanide, while the chemical substance is Polyhexamethylene Biguanide Hydrochloride (PHMB HCl).

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What is PHMB? What is easy PHMB used for?

PHMB (Polyhexamethylene Biguanide Hydrochloride) is a polymeric biguanide antimicrobial agent.

It works by disrupting microbial cell membranes, leading to the inhibition and elimination of microorganisms including:

Bacteria
Fungi
Yeasts
Algae

Compared with traditional antimicrobial chemicals, PHMB provides:

Broad-spectrum antimicrobial activity
Long-lasting protection
Low odor
Good water compatibility
Excellent formulation flexibility

PHMB for Personal Care Applications

PHMB Antimicrobial Ingredient for Personal Care Products

PHMB is a broad-spectrum antimicrobial ingredient used in selected personal care formulations to help control microbial contamination and improve product preservation.

Due to its excellent antimicrobial efficiency, water compatibility and formulation flexibility, PHMB can be used in applications such as:

Personal Care Applications:

Wet wipes
Makeup remover wipes
Baby wipes
Hand cleansing products
Body cleansing products
Shampoos and conditioners
Personal hygiene products

PHMB has been reported as an antimicrobial/preservative ingredient in cosmetic and personal care products, including cleansers, shampoos, conditioners and other rinse-off or leave-on applications.

PHMB for Wet Wipes Applications

PHMB Preservative for Wet Wipes

Wet wipes contain a high percentage of water and nutrients that can support microbial growth. Therefore, effective preservation is essential to maintain product safety and shelf stability.

PHMB can be used as an antimicrobial ingredient in wet wipe formulations, including:

Types of Wet Wipes:

Baby wipes
Cosmetic wipes
Facial cleansing wipes
Makeup remover wipes
Personal hygiene wipes
Household cleaning wipes

Benefits of PHMB in Wet Wipes:

✔ Broad-spectrum antimicrobial protection

✔ Effective control of bacteria and fungi

✔ Good water solubility

✔ Low odor profile

✔ Compatible with aqueous formulations

✔ Suitable for long-term preservation systems

PHMB for Home Care Applications

PHMB Antimicrobial Agent for Household Products

Besides personal care applications, PHMB can also be used in home care products requiring antimicrobial protection.

Applications include:

Home Care Products:

Household cleaning products
Disinfectant cleaners
Surface cleaning solutions
Fabric care products
Antimicrobial sprays
Odor control products

PHMB provides effective microbial control and helps maintain product quality during storage.

PHMB for Water Treatment Biocide

PHMB is used as an effective antimicrobial agent in water systems to control microbial growth and biofilm formation.

Applications include:

Industrial water treatment
Cooling water systems
Recirculating water systems
Swimming pool and spa treatment

Benefits:

Controls bacteria and algae
Helps prevent biofilm formation
Compatible with various water treatment programs

PHMB for Aquaculture Antimicrobial Agent

PHMB can be used in aquaculture applications for microbial control and maintaining water quality.

Typical applications:

Fish farming
Shrimp farming
Aquaculture water management

Advantages:

Effective microbial control
Helps maintain cleaner water environments
Suitable for professional aquaculture applications

PHMB for Disinfectants and Sanitizers

PHMB is used as an antimicrobial ingredient in disinfectant formulations.

Applications:

Surface disinfectants
Industrial sanitizers
Hygiene products

Benefits:

Broad antimicrobial spectrum
Stable performance
Suitable for aqueous formulations

PHMB for Industrial Antimicrobial Applications

PHMB can be incorporated into industrial products requiring microbial protection.

Applications:

Industrial cleaners
Coatings
Adhesives
Textiles
Paper chemicals

It helps prevent:

Bacterial contamination
Odor formation
Product deterioration

Personal Care

Hand sanitizers, wet wipes, cosmetics, masks

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Home Care

Antibacterial cleaners, air fresheners

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Wet Wipes

Antibacterial and disinfectant wet wipes for various uses.

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Fabric & Textile

Antimicrobial fabrics, coatings

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Water treatment

Swimming pool ans spa care, circulating water systems

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Disinfectant

Institute and industrial cleaning, medical

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Aquaculture

fish and shrimp antibacterial protection, water quality purification

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Plastics

Antibacterial plastics, food packaging, medical devices, etc

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PHMB vs PHMG

PHMB and PHMG are both polymeric biguanide antimicrobial agents but have different chemical structures and application areas.

	PHMB	PHMG
Full Name	Polyhexamethylene Biguanide Hydrochloride	Polyhexamethylene Guanidine Hydrochloride
CAS	32289-58-0	57028-96-3
Structure	Biguanide polymer	Guanidine polymer
Application	Disinfectants, industrial antimicrobial, water treatment	Industrial antimicrobial applications
Performance	Broad-spectrum antimicrobial activity	Strong antimicrobial activity

Comparison: PHMB vs. Other Preservatives

Parameter	PHMB	Benzalkonium Chloride (BKC)	Triclosan (TCS)
Antimicrobial Spectrum	Broad	Narrower	Some bacterial resistance
Toxicity	Low	High	High
Skin Irritation	Low	High	High
Water Solubility	High	Partially soluble	Low solubility
Applicable Industries	Personal care, medical, industrial	Personal care, industrial	Personal care

Why Choose EASYCHEM’S PHMB?

✨ Expert Manufacturer: Developed by a team of preservative specialists
✨ High Cost-Effectiveness: Direct factory supply, lower costs
✨ Stable Supply: Sufficient production capacity and inventory
✨ Technical Support: Custom formulations and application guidance

Choose Easy Chemical for superior PHMB – quality you can trust, at a price you’ll love!

Frequently Asked Questions (FAQ) for PHMB

What is the CAS number of PHMB?

PHMB (Polyhexamethylene Biguanide Hydrochloride), also known as Polyaminopropyl Biguanide (INCI Name), may be identified by different CAS numbers depending on the chemical description and registration system.

The commonly used CAS numbers for PHMB include:

CAS Number	Substance Description
32289-58-0	Polyhexamethylene Biguanide Hydrochloride (PHMB HCl), the most commonly used CAS number for commercial PHMB products
27083-27-8	Poly(hexamethylenebiguanide) hydrochloride, another CAS number used to identify PHMB hydrochloride
133029-32-0	Polyaminopropyl Biguanide (PAPB), the INCI-related identification commonly used in cosmetic and personal care applications

For commercial PHMB products, CAS No. 32289-58-0 is the most widely recognized identification for Polyhexamethylene Biguanide Hydrochloride.