1,1’-hexamethylenebis[5-(p-chlorophenyl) biguanide] dihydrochloride
C22 H30 Cl2 N10 . 2HCl
SPECIFICATIONS AT RELEASE (EP)
|Description||White or almost white crystalline powder|
|Identification||A.The I.R. spectrum matches with the reference spectrum of Chlorhexidine dihydrochloride.
D. It complies with the reaction (a) of chlorides
|Chloroaniline||Not more than 500 ppm (NMT 200 ppm at release)|
|Related Substances||Not more than 2.5% (total impurities)|
|Loss on drying||Not more than 1.0%|
|Sulphated Ash||Not more than 0.1%|
|Assay||98.0%-101.0% (dried substance)|
|PARTICLE SIZE (LASER DIFFRACTION)|
|STANDARD GRADE MATERIAL:
D(v,0.9): NMT 15 µm
|MICRONISED GRADE MATERIAL:
D(v,0.9): NMT 10 µm
30 Kg HDPE drums. Other sizes available upon request.
Chlorhexidine Dihydrochloride has been preregistered according to REACH requirements. No registration number is given for this preregistered substance since the transition period for its registration according to Article 23 of REACH has not expired yet.
Medichem performs ongoing stability studies on Chlorhexidine salts to ensure continuous quality throughout their shelf life. Stability data generated during more than 30 years of Chlorhexidine salts production have been used to set a shelf life of 5 years. Shelf life can only be guaranteed if the product is stored as indicated above.
- No special storage conditions are required.
- Keep in the original drums tightly closed.
- Keep the drums away from direct sunlight.
Classified as hazardous substance according to transport regulations (class 9, UN 3077).