We are offering pottasium iodide, pottasium iodide product - potassium iodide structural formula - k+ i- cas no. - 7681-11-0 molecular formula - ki molecular weight - 166.0 description - white crystalline powder. Loss on drying - max. 1.00% heavy metals - max. 0.0010% sulphate - max. 0.0500% iron - max. 0.0050% assay - between 99.00% and