we offer ammonium pentaborate purified chemical condenser grade (nh4)b5o8.4h2o m.w. 272.14 purity 99.99% appearance of aq. soln. (1g20ml) clear ph(1% wv soln.20oc) 8.2 to 8.4 chloride(cl) 0.00005 % max sulfate(so4) 0.0004 % max nitrate(no3) 0.0005 % max heavy metals(as pb) 0.0005 % max iron(fe) 0.0003 % max ammonia(nh3) 6.15 to 6.35 % boron tri oxide(b2o3) 62.5 to 64.5% cas no : 12229-12-8 un no. nr hs code : 2840 19 00 f :
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Andheri West, Mumbai, Maharashtra