Poly hexamethylene biguanidine hydrochloride 20% cas 32289-58-0 PHMB 20%
Chemical Name: PHMB
CAS No.: 32289-58-0
Molecular Fomula: C10H23N5
Chemical Structure:
Molecular weight: 213.32
Appearance:
Clear colourless to light yellow odourless liquid
Assay: 20%
Typical Properties
Item | Specifications | Results |
Appearance | Clear colourless to light yellow odourless liquid | Conforms |
Assay (solid %) | 19 to 21(w/w) | 20.1% |
PH value (25℃) | 4.0-5.0 | 4.3 |
Density (20℃) | 1.039-1.046 | 1.041 |
Soluble in water | Totally soluble in water | Conforms |
Absorbance E 1% 1cm (by 237nm) | Min.400 | 438 |
Ratio of absorbance (237nm/222nm) | 1.0-1.2 | 1.10 |
Conclusion | The results conforms with enterprise standards | |
