Trinitroresorcine or Styphnic Acid(a) Chemical Name Styphynic Acid(b) Formula 2,4,6 Trinitroresorcine( c) Physical Appearance Yellow-brown or Red-brown Crystal(Free from Particals of Dark Matter and Foreign Matter)(d) Purity min 96 %( e) Insoluble Matter in Water Max 0.02(f) Melting Point min 174°C(g) Sulphate Content max 0.4(h) Ash Content max 0.4(i) Cholorides Traces Water Content for Shpping (j) and Storage min 25%