Physical Appearance Clear Colourless liquid
Odour Strong ammonical odour
Specific Gravity (20 Deg.C) 0.726 - 0.730
Refractive Index (20 Deg.C) 1.399 to 1.401
Boiling Point 89 Deg. C
Freezing Point Below - 80 Deg.C
Solubility in water Soluble upto 18 Deg.C, sparingly soluble above 18 Deg.C
Flash Point (closed cup) Below - 7 Deg.C
Purity by GC (% wt.) 99.70% min.
Water Content (% wt.) 0.07% max.
Impurities (% wt.) 0.20% max.