Product Description Paraformaldehyde Other Details Molecular Formula: (CH2O)n Molecular Weight: 30.023 (monomer) CAS Number: 30525-89-4 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 4x25g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days