1.1 This specification covers vapor-degreasing grade perchloroethylene. Note 1—Guide D3844 and Practice D4276 provide additional important information on solvent properties. TABLE 1 Physical Properties | Property | Specification | Test Method | Specific gravity, 25/25°C | 1.606 to 1.625 | D2111 | Distillation range (760 mm Hg) | | D1078 | Initial boiling point, °C, min | 120.0 | | Dry point, °C, max | 125.0 | | Acidity (as HCl), weight, %, max | 0.0005 | D2989 | Alkalinity (as NaOH), weight, %, max | 0.030 | D2989 | Water, weight, %, max | 0.0050 | D3401 | Appearance | Clear and free from suspended matter | D3741 | Color, Pt-Co, max | 20 | D2108 | Halide (as Cl−), weight, %, max | 0.0005 | D2988 | Nonvolatile residue, weight, %, max | 0.0050 | D2109 | Acid acceptance, as NaOH, weight, %, min | 0.10 | D2942 | Copper corrosion, weight loss, mg, max | | D3316 | Flask | 10 | | Soxhlet | 20 | | Condenser | 20 | | Acidity as HCl, max, mL, NaOH | 15 | | |