Polyhexamethylene Guanidine Hydrochloride (PHMG) Chemical


Polyhexamethylene guanidine hydrochloride (PHMG) is a kind of colorless or light yellow solid or liquid. It is soluble in water and free of erosion. This PHMG chemical is environmental-friendly and free from iodine, chlorine, aldehyde, and alcohol.

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Structural Formula:

polyhexamethylene guanidine hydrochloride structural formula


Item Index
Appearance Colorless or light yellow, solid or liquid
Active components 25%
Solubility in Water Complete
Odor No
Decomposition Temperature >400 deg.c
Surface Tension (0.1% in Water) 49.0dyn/cm2
Biological Decomposition Complete
Function Harmless And Bleach-free
Storage Two years before open
Risk Incombustible&Non-explosive
Toxicity 1% PHMG LD 50 > 5000mg/kg BW
Shelf Life 2 Years
Corrosiveness (Metal) Corrosive-free to stainless steel, copper, carbon steel, and aluminum
pH Value Neutral


Polyhexamethylene guanidine hydrochloride is able to completely destroy a variety of bacteria, including Colon Bacillus, S. Aureus, C. Albicans, N. Gonorrhoeae, Salm. Th. Murum, Pseudomonas Aeruginosa, Listeria Monocytogenes, S.Dysenteiae, ASP. Niger, Brucellosis, C. Parahaemolyticus, V. Alginolyticus, V. Anguillarum, A.Hydrophila, Sulfate Reduction Bacteria, etc. Polyhexamethylene guanidine hydrochloride can be used to clean skin and mucous membrane, clothes, surfaces, fruits, and indoor air.

The PHMG chemical is also applicable for disinfection in aquaculture, livestock farming, and oil exploration. This biocide has good preventive and curative effects on fungus-caused farming diseases such as Grey Mildew, Sclerotinia Rot, Bacterial Spot, Rhizoctonia Solani and Phytophthora, etc.

Packing and Storage:

Packed in 5kg/PE drum×4/ box, 25kg/PE drum and 60kg/PE drum. Sealed storage at room temperature, away from direct sunlight.


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