Disodium phosphate
Agent Name
Disodium phosphate
Alternative Name
Sodium phosphate, dibasic
CAS Number
7558-79-4
Formula
H-O4-P.2Na
Major Category
Metals
Synonyms
Sodium phosphate, dibasic; Acetest; DSP; Dibasic sodium phosphate; Disodium acid orthophosphate; Disodium acid phosphate; Disodium hydrogen phosphate; Disodium hydrogen phosphate, anhydrous; Disodium hydrophosphate; Disodium monohydrogen phosphate; Disodium orthophosphate; Disodium phosphate, anhydrous; Disodium phosphoric acid; Exsiccated sodium phosphate; Fleet enema; Natriumphosphat [German]; Phosphate of soda; Phosphoric acid, disodium salt; Soda phosphate; Sodium acid phosphate, anhydrous; Sodium hydrogen phosphate; Sodium monohydrogen phosphate; Sodium monohydrogen phosphate (2:1:1); Sodium orthophosphate, secondary; Sodium phosphate; Sodium phosphate (NaH2PO4); Sodium phosphate, dibasic (anhydrous); Sodium phosphate, exsiccated; secondary Sodium phosphate; [ChemIDplus]
Category
Phosphates, Metallic Salts
Description
Colorless or white hygroscopic solid; [Hawley] White powder; [MSDSonline]
Sources/Uses
Used as emulsifier and buffer in foods and pharmaceuticals, metal phosphatising/electroplating reagent, scale inhibitor (boiling water treatment), textile/leather auxiliary, sequestrant, mordant in dyeing, fireproofing agent, reagent and buffer in analytical chemistry, cathartic, and veterinary laxative; Also used for weighting silk and in pottery glazes/porcelain/enamels, tanning, and soldering/brazing (instead of borax); [HSDB] Used in fertilizers, galvanoplastics, and as a dietary supplement; [Hawley]
Comments
A mild skin, eye, and respiratory tract irritant; [ICSC] Emergency treatment: "Inorganic phosphates"; Inorganic phosphates can cause diarrhea, hyperphosphatemia, and hypocalcemia after ingestion; An adult died after receiving four sodium phosphate enemas within 24 hours; he had electrolyte abnormalities and died from cardiac arrest; [HSDB] A mild eye irritant in rabbits; [RTECS]
Biomedical References
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure:
Activities
Activities with risk of exposure: