2,4-DINITROPHENYL HYDRAZINE 98 AR - 25 GM
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C6H6N4O4 M.W. 198.14 Assay 500 gm (ex N according to Friedrich) min 99.0% Melting range(decom.) 198-2000C Iron(Fe) max 0.001% Chloro-2,4-dinitrobenzene max 0.05% 1,3 dinitrobenzene max 0.01% Sulphated ash max 0.1%