Chlorhexidine hydrochloride 3697-42-5 Biguanide
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Items | Specifications | Results |
Appearance | A white or almost white crystalline powder | A white crystalline powder |
Identification | ||
A: IR Spectrum | To match with Reference standard | Complies |
B: | A dark red colour is products | Complies |
C: | Mp at 132°C~136°C | 132.3°C~133.4°C |
D: Gives reaction of chlorides | complies | |
Test | ||
Chloroaniline | Maximum 500ppm | complies |
Related substances | To match with reference standard | complies |
Loss on drying | Maximum 1.0% | 0.80% |
Sulphated ash | Maximum 0.1% | 0.07% |
Assay | Chlorhexidine dihydrochloride contains not less than 98.0% and not more than 101.0% of 1,1-(hexane-1,6-diyl)bis (5-4-chloropenyl biguaanide B16:C16dihydrchloride, calculated with reference to the dried substace B16 | 99.70% |
Conclusion | The results can conform with the BP2011 |
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