Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-, potassium salt (1:2) is a chemical compound registered under CAS number 6493-54-5, with the molecular formula C20H10Br2O5·2K and a molecular weight of about 568.3 g/mol. It is also known as Fluorescein,4',5'-dibromo-, dipotassium salt (8CI); Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-, dipotassium salt (9CI); D and C Orange No. 7. SixChem supplies Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-, potassium salt (1:2) for laboratory research and bulk production; product code 454809. Send an inquiry for purity, packaging, price and lead time.