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 : 15more...
We are offering ammonium dichromate ar (nh4)2cr2o7 m.w. 252.06 min. Assay(after drying) 99.5% maximum limits of impurities : insoluble matter 0.003% loss on drying at 105oc 3% chloride(cl) 0.001% sulphate(so4) 0.01% aluminium(al) 0.003% calcium(ca) 0.0025% sodium(na) 0.02% cas nomore...
Other cations : Potassium dichromate; Sodium dichromate
Autoignition temperature : 190 °C (374 °F; 463 K)
Formula : (NH4)2Cr2O7
Insoluble in : Acetone
Molar Mass : 252.07 g/mol
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