Product Description 4,5-Dichlorocatechol Other Details Molecular Formula: C6H4Cl2O2 Molecular Weight: 179.004 CAS Number: 3428-24-8 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 10g Leadtime:20 Days