C6H7SO3N M.W. 173.19
DESCRIPTION .............. White crystalline powder
SOLUBILITY ............... 10%soln in 5%aq Na2CO3 is clear & colourless
ASSAY(T) ................. min 99.5%
LOSS ON DRYING ........... max 0.5%
SULPHATED ASH ............ max 0.02%
ALKALI INSOLUBLE MATTER .. max 0.01%
CHLORIDE(Cl) ............. max 0.002%
SULPHATE(SO4) ............ max 0.005%
IRON(Fe) ................. max 0.005%
HEAVY METALS(Pb) ......... max 0.001%
NITRITE(NO2) ............. max 0.00005%
SENSITIVITY TO NITRITE ... passes test