PRODUCT NAME : NITRIC ACID 68% FORMULA : HNO3 HS Code : 8080010 Appearance : Clear Colourless Liquid to Light yellow liquid CAS NO : 7697-37-2 with the formula Total Acidity (as HNO3 by mass (Purity) % 68.00 % min, Specific Gravity (at 20OC) 1.4 Nitrous Acid (As HNO2) by mass 0.01 max , Chlorides (as Cl) by mass 0.0002 max ,Sulphates (as H2SO4) by mass 0.0002 max , Residue on Ignition by mass 0.002 max, Iron Content (as Fe) by mass 0.0001 max