Sodium phosphate, tribasic
Agent Name
Sodium phosphate, tribasic
CAS Number
7601-54-9
Formula
H3-O4-P.3Na
Major Category
Other Classes
Synonyms
Antisal 4; Dri-Tri; Emulsiphos 440/660; Nutrifos STP; Oakite; Phosphoric acid trisodium salt; Sodium orthophosphate; Sodium orthophosphate, tertiary; Sodium orthophosphate, tribasic; Sodium phosphate; Sodium phosphate (Na3PO4); Sodium phosphate (VAN); Sodium phosphate, anhydrous; Sodium phosphate, tribasic; Sodium tertiary phosphate; TSP; Tertiary sodium phosphate; Tribasic sodium orthophosphate; Tribasic sodium phosphate; Trinatriumphosphat [German]; Trisodium orthophosphate; Trisodium phosphate; Tromete; [ChemIDplus] NA9148
Category
Salts, Basic
Description
Odorless, water soluble, colorless to white crystals; [CAMEO]
Sources/Uses
Used in soaps and detergents; Used in paper and leather manufacturing; [CHEMINFO] Used in scouring powders, photographic developers, water softeners, boiler scale removers, and food additives; [HSDB]
Comments
Corrosive to skin and eyes after contact and to stomach after ingestion; A respiratory tract irritant; [CAMEO] Solution is a strong base. Inhalation of dust may induce pneumonitis; [ICSC]
Biomedical References
Exposure Assessment
Explanatory Notes
Melting point = 170 deg F; [CAMEO]
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: