Benzoic acid 500 gm,merck

Appearance	White,hygroscopic beads,pellets or flakes
Identity	Conforms
Test Solution	The solution is clear and colorless
Assay	NLT 97 %
Carbonate	NMT 1 %

Appearance                           Clear, colourless liquid with a Characteristic odour Identity                                   Conforms Assay (NH3)                           27 % Chloride (Cl)                           0.00004 % Sulfate (SO4)                           0.0001 % Phosphate(PO4)                      0.0001 % Nitrate (NO3)                              0.0001 % Carbonate (as CO2)                     0.001 % Iron (Fe)                                     0.00001 % Substances reducing KMnO4         Conforms Heavy metals (as Pb)                   0.00003 % Residue on ignition (as sulfate)      0.001 %

Synonym(s): Sodium iodide Empirical Formula (Hill Notation): INa