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CAS: 32289-58-0
Purity: 99%
Molecular Formula: (C8H17N5)n.xClH
Molecular Weight: 213.32312
EINECS: 1308068-626-2
Synonyms: PHMB(20%); Polyhexamethyl; PHMB; Biguanide PHMB; Polyhexamethylene biguanidine hydrochloride,~20% in water; PHMB 98%, 20% solution (Polyhexamethylene biguanide hydrochloride); 20% solution; 98% powder
PHMB CAS 32289-58-0 is best known for its broad-spectrum antimicrobial and antifungal activity. It is the standard of care for treatment of Acanthamoeba keratitis and an ingredient in multipurpose contact lens solutions, such as Renu (Bauch & Lomb, Rochester, NY). PHMB is a cationic disinfectant that is effective against Gram-negative and Gram-positive bacteria through its electrostatic interaction with negative sites on the lipopolysaccharide component of bacterial cell membranes.
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Item
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Specifications
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Appearance
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white to beige powder or solid
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Odor
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No odor
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Solubility in water
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Complete dissolving
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Main active componentsand content(w/w)
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PHMB19%~21%
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Density(20℃)
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1.039~1.046g/cm3
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PH value(20℃)
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4.0~6.0
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Absorbance(237nm)
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≥400
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Absorbance (237nm/222nm)
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1.2~1.6
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Broad spectrum antimicrobial polymer; binds and disrupts cytoplasmic membranes.Broad spectrum antimicrobial polymer; binds and disrupts cytoplasmic membranes
25kgs/drum, 9tons/20’container
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