The average molecular weight of polyhexamethylene biguanide hydrochloride is 1100 ~ 1800, the molecular formula is (C8H17N5)n·xHCl, n=12-16. Chemicalbook polyhexamethylene-biguanide hydrochloride (PHMB) is a broad-spectrum antibiotic that can kill gram-positive bacteria, gram-negative bacteria, fungi and yeasts.
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Overview
Poly(hexamethylenebiguanide)hydrochloride is a high-molecular-weight cationic biocide produced via polymerization of hexamethylenediamine and dicyandiamide. Its molecular formula is (C7H18N6)n·nHCl, with CAS No. 25938-53-2.
Application
- Water Treatment: Control microbial growth in industrial cooling towers.
- Textile Industry: Antimicrobial finishing for fabrics and detergents.
- Agriculture: Seed treatment to prevent fungal infections.
Precautions
- Not approved for direct clinical human use; strictly for industrial applications.
- Requires PPE during handling due to skin and eye irritation risks.
- Store in cool, dry conditions away from strong oxidizers.