white to light yellow crystalline powder, 98% max, Glyoxal: 0.2% max,

Appearance Colorless to light yellow liquid Assay 99%min

Appearance Light yellow to light brown liquid Assay,GC 99%min Water 0.2% max

Appearance Colorless to light yellow liquid Assay 99%min Water 0.5% max

Appearance Colorless, transparent liquid Assay 99%min Relative density 1.017-1.020 Refractive index 1.5290-1.5350 As content 0.0001% max Heay metals(as Pb) 0.0001% max

Appearance White to light yellow crystals or flakes Assay(by GC) 99.5%min Melting point 47-49℃ Volatiles 0.1% max Color,APHA 60max

Appearance Colorless clear liquid Assay 99.8%min Crystallization point 18.1℃min Transmittance(400nm) 96.0%min Refrative index(20℃) 1.4775-1.4790 Moisture 0.1% max

Appearance White crystal Assay 99.5%min Melting point 207~212℃ Moisture 0.3% max Ash 0.05% max Calcium 200ppm max Transparency 100%