Product Description HO-PEG8-CH2CH2COOH Other Details Molecular Formula: C19H38O11 Molecular Weight: 442.3 CAS Number: 937188-60-8 Minimum Purity: 0.97 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 500mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days