phosphoric acid (7664-38-2), sodium tripolyphosphate (13573-18-7), ferro phosphorus, pvc (9002-86-2), red phosphorus (7723-14-0), yellow phosphorus (7723-14-0), fused caustic soda (1310-73-2) available from yunphos.com based in new york, ny. click the links below to visit our website or contact us via our profile page.