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Poly(hexamethylenebiguanide) hydrochloride (PHMB)
Specifications
- CAS No.
- 32289-58-0
- Melting point
- Not applicable (polymer/solution)
- Boiling point
- Not applicable
Appearance & character
Typically supplied as a colorless to pale yellow aqueous solution (usually 20% concentration). The solid form is a white to off-white powder or granular material.
Product overview
Poly(hexamethylenebiguanide) hydrochloride, commonly known as PHMB or polyhexanide, is a polymeric biguanide compound used as a broad-spectrum disinfectant and antiseptic. With the CAS number 32289-58-0, it has been used since the early 1950s for various antimicrobial applications. PHMB is effective against a wide range of pathogens including bacteria, amoebae, and yeast. Its polymeric structure provides enhanced antimicrobial activity with relatively low toxicity, making it suitable for diverse applications from water treatment to wound care.
Key features
- Broad-spectrum antimicrobial activity against bacteria, fungi, and algae
- Polymeric structure providing enhanced efficacy and low toxicity
- Excellent stability under various conditions
- Non-corrosive to most materials
- Colorless and odorless in solution
- Effective over a wide pH range
- Low skin irritation potential
- Environmentally friendly compared to many disinfectants.
Applications
- Water treatment
- swimming pool disinfection, SPA sanitization, industrial cooling water, algaecide
- Healthcare
- wound irrigation solutions, sterile dressings, surgical antiseptics, medical device disinfection
- Personal care
- wet wipes preservative, hand washes, cosmetics preservative, deodorants
- Textile industry
- antimicrobial textile treatment, odor control in fabrics, sanitary products
- Household
- hard surface disinfectants, toilet deodorizers, air filter treatments
- Food industry
- food handling surface disinfection, equipment sanitization
- Agriculture and animal husbandry
- farm equipment disinfection, animal drinking water treatment
- Industrial
- oil field chemicals, paper industry preservative, industrial water systems.
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