SA Request a Quote Email usrxmarinegroup @ gmail.com DocumentsRequest MSDS / TDS Solvent Chemicals-19 SODIUM ACID PHOSPHATE Dihydrate Product code RXSOL-19-3361-058 Is a saline laxative that is thought to work by increasing fluid in the small intestine. Request a Quote Email Us Is a saline laxative that is thought to work by increasing fluid in the small intestine.