Process for preparing hexamethylene bis-dicyandiamide
Hexamethylene.bis-dicyandiamide is safely prepared in good yield and desired purity by a novel method which comprises reacting N-cyano-O (or S)-alkyl-iso (or isothio) urea with hexamethylenediamine. The desired product is useful as an intermediate of chlorhexidine which is an antibacterial agent.
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(2008/06/13)
Chemical Properties
Appearance/Colour :white crystalline solid
Melting Point: 111-116 °C
Boiling Point: 699.3 °C at 760 mmHg
Flash Point:376.7 °C
Density: 1.284[at 20℃]
Solubility:Sparingly soluble in water and in propylene glycol, very slightly soluble in ethanol (96 per cent).
