1 Description Colourless Liquid Colourless Liquid 2 Solubility Soluble in methanol Soluble in methanol 3 Moisture / LOD. NMT 0.5 % 0.38% 4 Boiling Point 137°C-138°C 137°C-138°C 5 Assay By HPLC NLT 98.5 % 99.10%