We are offering ammonium dichromate (nh4)2cr2o7 m.w. 252.06 assay(iodometric) min. 99% (after drying) maximum limits of impurities : chloride(cl) 0.005% sulphate(so4) 0.06% cas no : 7789-09-5 un no. 5.11439 tariff : 2841 50 90 r : 1-8-363738-43 s : 28.1-35 f :
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Andheri West, Mumbai, Maharashtra 
