Ammonium Oxalate Ar, CAS No. : 6009-70-7)

We are offering ammonium oxalate ar ammonium ethanedioate (coonh4)2.h2o m.w. 142.11 minimum assay 99.5% maximum limits of impurities : insoluble matter 0.005% reaction ph 6.3-6.7 non-volatile matter 0.01% chloride(cl) 0.00025% nitrate(no3) 0.003% phosphate(po4) 0.0005% sulphate(so4) 0.005% arsenic(as) 0.00002% calcium(ca) 0.001% copper(cu) 0.0002% iron(fe) 0.0002% lead(pb) 0.0002% cas no : 6009-70-7 un no. 81759 tariff : 2917 11 90 r : 21 22 s : 24 25 f :