Polyhexamethylene Guanidine Hydrochloride (PHMG) PHMG 95% PHMB POWDER ,95% PHMB Crystalline ,20%,50% PHMG solution
I. Product Description
Name:Polyhexamethylene guanide hydrochloride;PHMG;Poly(hexamethylendiamine guanidinium chloride)
CAS No.: 57028-96-3
Formula: (C7 H15N3)n•xHCl
II. Specification
Item |
Standard |
Appearance |
Colorless or pale-yellow transparent liquid |
Odor |
no off-flavors |
Content (%) |
24.0-26.0 ;50% ;95% min |
Water solubility |
Fully water soluble |
pH |
5.0-8.0 |
III. Performance Features
1. Efficient broad-spectrum killing and inhibition of all kinds of microorganisms.
2. No Bacteria drug resistance.
3. Non-toxic to human being under using concentration
4. Colorless, odorless, non-irritating to skins and mucosae
5. No corrosion to the treated surface.
IV. Antibacterial Mechanism
Guanidyl in PHMG has very high activity, which makes polymer electropositive, so PHMG is very easily adsorbed by all kinds of bacteria and viruses which are generally electronegative, inhibiting the fission of them and making them lose reproductive capacity. The film formed by the polymer blocks the breathing channel of microorganisms, and makes them quickly suffocated.
V. Incompatibility
The product is a cationic bactericide, it cannot be compatible with anionic bactericides or acids, otherwise, its bactericidal activity would be greatly reduced.
VI.Heat stability
The product has the validity period of 2 years when stored at 37℃, and the validity period of 1 year when stored at 54℃.
VII.Influence of pH value
The bactericidal effect of PHMG can be improved under the alkaline condition, while its bactericidal effect can be reduced under the acidic condition. It is used at the pH of 5.5-9.5.
VIII.Influence of organic matters
The organic matters can reduce the bactericidal effect of PHMG. Tests proved that bacterial suspension containing 25% of calf serum cannot influence the staphylococcus aureus killing effect of diluent; and bacterial suspension containing 50% of calf serum has moderate influence on the staphylococcus aureus killing effect of diluent.
IX. Recommended Dosage
Application fields |
Suggested dosage |
Sanitizers and disinfectants (for food processing equipment): food processing plants |
0.1-1.0% |
Pulp and papermaking: slime control |
0.01-2.0% |
Personal care products: antibacterial fabrics |
0.3-0.6% |
Wet wipe products: non-woven fabrics, wet towels |
0.2-0.3% |
Mixed aqueous solution: adhesives, emulsion resin and so on |
0.05-0.5% |
Aquaculture |
0.2-0.8% |
X. Package
Plastic drum, 25kg/drum, 200kg/drum.
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