Physical state and appearance , odour: pale, yellow, hydroscopic power Flash point(closed cup):not available Ph (1% solution w/v):3.5-5.0 Boiling point: not available. Melting point: not available. Critical temperature: not available. Specific gravity: nill Vapor pressure: not available Solubility in water(g/l): souble 18Mt/FCL 25Kg pp bag