Hydrofluoric acid (electronic grade,technical grade) Provide purity Classification: Hydrofluoric Acid Molecular Formula:HF CAS No.: 7664-39-3 Appearance: colorlessMolecular Weight :20.01Grade Standard: Electron Grade, Industrial Grad...Brand name:LongtaixuanPlace of Origin: Zhejiang China (Mainland),Quzhou Packing:Polythene plastic drum 25KG/drumDeliver:According to customer require