Poly Ethylene Glycol PEG 400, 600, 1000, 1500, 4000, 6000, 8000 CAS Number: 2 Formula: (C2H4O)nH2O Structure of Polyethylene Glycol (PEG): Package: 200Kgs/Iron Drum or plastic Drum Shelf Life: 2Years (24Months) Keyword: 聚乙二醇 PEG 200 400 600 800 1000 1500 2000 4000 6000 8000 阿切斯化工.