PHMB is the acronym for PolyHexaMethylene Biguanide
PHMB P20 D, our standard product, is a 20% solution of PolyHexaMéthylène biguanide hydrochlorhyde which general formula con be drawn as follows :
« n » is usually included between 4 and 40, but more accurately between 5 et 20.
Biguanide groups are the active part of the PHMB.
Compared to other Biguanides, the fact that Biguanide groups are separated by a C6 aliphatic hydrocarbonated chain gives to PHMB a particularly high efficacy power on a wide range of microorganisms.
Its hydrochloric form implies PHMB has cationic properties.
PHMB is not a Quaternary Ammonium Compound (QAC) but gives good synergetic disinfection solutions when blended with QACs.
CAS Registry Number of PHMB is 32289-58-0 (previously 91403-50-8), click here.