Assay:99.5%minimum  .
Boiling Point 81-83 Melting Point -89.5-89.5 Density20g/cm3 0.7860 Evaporation residue% 0.005max Acid% 0.008max Moisture% 0.05 Sulfide mg/kg 0.5max refractive 1.3772 Viscosity(20) 2.4mpa.s
delievry time:within 3 weeks
payment:TT OR L/C