Poly(hexamethylenebicyanoguanide-hexamethylenediamine) hydrochloride

Poly(hexamethylenebicyanoguanide-hexamethylenediamine) hydrochloride (CAS 27083-27-8), also known as polyhexamethylene biguanide hydrochloride or PHMB, is a polymeric antimicrobial agent effective against bacteria, fungi, and algae.

Where is Poly(hexamethylenebicyanoguanide-hexamethylenediamine) hydrochloride used?

• Industrial, personal care, and healthcare: preservative and biocide
• Water treatment: controls microbial growth in swimming pools, cooling towers, and industrial process water, an alternative to chlorine-based systems
• Personal care: preservative in rinse-off and leave-on products such as shampoos, skin cleansers, and contact lens solutions
• Wound care and surgical preparation: antiseptic irrigations and antimicrobial dressings
• Textile and leather processing imparts durable antimicrobial finishes to fabrics and treated surfaces.

Good to know: Medical applications are valued where residual activity is required.

Commercial specifications

• Aqueous solution, 20% concentration standard commercial form
• Drums or IBC containers for bulk supply