Formula: CH₄N₂O CAS: 57-13-6 EC No.: 200-315-5 M (Molar Mass): 60.06 g/mol mp (Melting Point): 132-135°C Appearance: White crystalline powder.

Assay (Acidimetric after urease): ≥ 99.0 % Appearance: White crystals or powder. Identification (Biuret test): Passes test (violet color with NaOH/CuSO₄). Solubility (in water): Clear, colorless solution. Loss on Drying (over H₂SO₄): ≤ 0.5 % Residue on Ignition: ≤ 0.1 % Chloride (Cl): ≤ 0.005 % Sulfate (SO₄): ≤ 0.005 % Heavy Metals (as Pb): ≤ 5 ppm