PHMB CAS 32289-58-0

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

What is PHMB CAS 32289-58-0？

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.

Specification

Item	Specifications
Appearance	white to beige powder or solid
Odor	No odor
Solubility in water	Complete dissolving
Main active componentsand content(w/w)	PHMB19%~21%
Density(20℃)	1.039~1.046g/cm3
PH value(20℃)	4.0~6.0
Absorbance(237nm)	≥400
Absorbance (237nm/222nm)	1.2~1.6

Usage

Broad spectrum antimicrobial polymer; binds and disrupts cytoplasmic membranes.Broad spectrum antimicrobial polymer; binds and disrupts cytoplasmic membranes