Sodium sulfite heptahydrate10102-15-5100 % similar Sodium sulfite7757-83-780 % similar Potassium sulfite10117-38-150 % similar Calcium bisulfite13780-03-550 % similar Magnesium sulfite7757-88-250 % similar Barium sulfite7787-39-550 % similar Formaldehyde sodium sulfoxylate dihydrate6035-47-844 % similar Sodium dithionite7775-14-642 % similar Sodium acetate trihydrate6131-90-438 % similar Sodium hypophosphite monohydrate10039-56-236 % similar Trisodium phosphate dodecahydrate10101-89-036 % similar Sodium selenate10102-23-536 % similar Sodium metasilicate pentahydrate10213-79-336 % similar Sodium metaborate tetrahydrate10555-76-736 % similar Sodium stannate12209-98-236 % similar Sodium silicate nonahydrate13517-24-336 % similar Sodium methanesulfinate20277-69-436 % similar Sodium selenite (na2seo3) pentahydrate26970-82-136 % similar Sodium carbonate decahydrate6132-02-136 % similar Sodium bisulfite7631-90-536 % similar