กก
PHMB (Polyhexamethylenebiguanide hydrochloride)20%
CAS NO: 32289-58-0(USA)/27083-27-8(Europe)/133029-32-0(INCI)
FORMULA: (C8H18N5Cl)n n=12-16
PACKING: 25KG or 200KG/PLASTIC DRUM
Item
Specification
Appearance Colourless to pale yellow or almost clear solution
Total solid by drying at 105C (WT %) 19-21%
PH at 20C 4.0-5.0
Boiling point 102-103C
Density at 20C 1.035-1.046 g/cm3
Absorbance E1% (W/V), 1cm at 237nm >400
Absorbance Ration 237/222nm 1.2 -1.6
Water solubility Completely
Usage:
It is an antiseptic and bactericide. This is broad-spectrum antibacterial fugicide, take effective for kill gram-positive bacteria, gram-negative bacteria, fungus and yeast; usually used for swimming pool bactericide, universal detergent and disinfector as a fugicide.Compare with PHMG, it has a better bacteriostasis effect for Aspartate bacillis, beer yeast and Aspergillus higer than PHMG.
PHMG (Polyhexamethylene guanidine hydrochloride)25%
CAS NO:  57028-96-3
FORMULA: (C7H15N3)n.x(HCl)
PACKING: 25KG or 200KG/PLASTICDRUM
Item
Specification
Appearance Transparent, viscous, water-based solution
Content of active substance 25% 
Water solubility Completely
Density (g/cm3) 1.04 - 1.06
Viscosity 24- 26 mPa s
PH (1% water solution) 7.5-8.0
Odor Not existing
Melting temperature of active substance >180C
Decomposition temperature of active substance <200C
Surface tension of a 0.1% water solution 49.0 dyn/cm2
Taste of a 0.1% water solution Lightly bitter
Biodegradability Completely
Flammability explosion stability There is neither fire nor an explosion hazard
Toxicity LD50 for rats - 25,000mg/kg                                                                   
กก Guinea pigs   - 35,000mg/kg
กก Neither mutagenic nor carcinogen
Usage:
It widely be used for decontamination and resistance of microbe, including bacteria, virus, fungi, mildew and algae; in the field of medical use , hygiene, textile, wet-tissue. fishery, planting ,food-processing, water treatment etc.
กก