| M | 73.09 | 
|---|---|
| D | 0.945 | 
| b.p | 153 °C | 
| m.p | -61 °C | 



| Acidity (as Acetic acid) | <= 0.001% | 
| Color (APHA Pt-Co) | <= 10 | 
| Free Amines (Kaiser) | <= 0.001% | 
| Assay (GC on anhydrous basis) | >= 99.8% | 
| Iron (Fe) | <= 0.00001% | 
| Heavy metals (as Pb) | <= 0.00001% | 
| Residue after evaporation | <= 0.001%w/w | 
| Water (KF) | <= 0.05%w/w | 
| Zinc (Zn) | <= 0.00001% | 
| UV Abs. 270nm | <= 1AU | 
| UV Abs. 295nm | <= 0.1AU |