SO2 Refrigerant Gas Industrial Grade High Purity 99.999% Liquid Sulfur Dioxide Gas CAS No.:7446-09-5 Other Names: Sulfur oxide MF:SO2 EINECS No.: 231-195-2 Place of Origin: Guangdong, China Grade Standard: Industrial Grade, Electron Grade Purity: 99.9%-99.999% Appearance: colorless Application: semicondctor etchant Brand Name:CCSG gas UN No:2037 ODOR:Pungent
