CAS 5936-11-8 appears in our catalog under these names: Potassium trioxalatoferrate(iii) trihydrate, 95%, Potassium trioxalatoferrate(III) trihydrate , Potassium trioxalatoferrate(III) trihydrate 97%. Offered by: Combi-blocks, Thermo Scientific (Alfa Aesar), Ambeed. Available pack sizes: 1g, 25g, 100g, 500g, 5g, 1000g.