BHILAWAN NUT SHELL LIQUID (BNSL) IS OBTAINED FROM THE PERICARP OF THE BHILAEAN NUT WHICH IS POPULERLY KNOWN AS MARKING NUT, WHICH IS SIMILAR IN TASTE AND NUTRITION TO CASHEW KERNEL
Composition :
BNSL IS BLACK CORROSIVE VESICCANT LIQUID WHICH CAUSES PAINFUL BLISTERS ON THE SKIN. IT CONTAINS ABOUT 46% OF A CATECHOL DERIVATIVE, BHILAWANOLL HAVING LONG UNSATURATED CARBON SIDE CHAIN (C15H27). THE REST OF THE LIQUID IS MOSTLY A TARRY MATERIAL COMPOSED OF HIGH BOILING PHENOLS ANDHYDROCARBONS. ON HYDROGENATION OF BNSL(B.P.213-214), HYDRO-BHILAWANOL IS ABTAINED IN THE FROM OF SILKY – NEEDLES HAVINGH M.P. 57-58
Application :
MEDICALLY IT IS USED IN RHEUMATISM, LEPROSY, ECZEMA, AND OTHER SKIN DISEASES, AND INDUSTRIALLY IT IS USED FOR COATING OF BASKRTS, BOAT PLANKS AND OTHER WOOD WORK AS PRESERVATIVE AND WATER PROOFING MATERIAL.
IT HAS ALSO GOT APPLICATIONS SIMILAR TO THAT OF CASHEW NUT HELL LIQUID(CNSL)
