... EDTA acid1, Chemical name: Ethylenediaminetetraacetic acid, ferric sodium complex 2, HS Code:29212190 3, CAS-No: 15708-41-5 4, Formula: EDTA ... . 3, Water insoluble: 0.1%max. 4, PH value (1% of the solution) 4-6.5 5, Heavy metals(as per ... FOB loading ports by barges through the Yangtze River, instead of trains. Our rock phosphate fertilizer are well used in such ...