C4H6O4 M.W. 118.09
ASSAY(GC) .................... min 99%
MELTING POINT ................ 187-189?C
SULPHATED ASH ................ max 0.1%
CHLORIDE ..................... max 0.005%
SULPHATED(SO4) ............... max 0.01%
IRON(Fe) ..................... max 0.002%
HEAVY METALS(Pb) ............. max 0.002%