Product Description Tetrahydroxy-1,4-benzoquinone disodium salt Other Details Molecular Formula: C6H2Na2O Molecular Weight: 216.06 CAS Number: 1887-02-1 Minimum Purity: 0.98 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: 25g Leadtime:20 Days