Acids & Salts Available to Source

Trisodium Phosphate

TSP
CAS 7601-54-9 · MF Na3O4P · MW 163.941 g/mol · UN 3262 (SODIUM PHOSPHATE, TRIBASIC)

Trisodium Phosphate (TSP) is a strongly alkaline inorganic compound with powerful cleaning and degreasing properties. It is highly soluble in water and

SDS / TDS Download
CAS Number
7601-54-9
Molecular Formula
Na3O4P
Molecular Weight
163.941 g/mol
Material Family
Acids & Salts
Physical Properties
melting_point
170.06 u00b0F (USCG, 1999)
boiling_point
The hydrate loses 11 moles of water at 212 u00b0F. (USCG, 1999)
density
1.62 at 68 u00b0F (Hydrate) 2.52 anhydrous (USCG, 1999) - Denser than water; will sink
solubility
Freely soluble in water. Insoluble in ethanol
ph
Between 11,5 and 12,5 (1 % solution)
GHS / SDS Safety Danger
Irritant Corrosive
  • H335 (85.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H319 (90.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H315 (90.2%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
CAS Number7601-54-9
IUPAC Nametrisodium;phosphate
InChI KeyRYFMWSXOAZQYPI-UHFFFAOYSA-K
PubChem CID 24243
INCI NameTRISODIUM PHOSPHATE
Synonyms & Trade Names
TRISODIUM PHOSPHATE Trisodium orthophosphate Tromete Tribasic sodium phosphate Phosphoric acid trisodium salt Phosphoric acid, trisodium salt Oakite Sodium phosphate, anhydrous Trinatriumphosphat Nutrifos STP Dri-Tri Antisal 4 Tertiary sodium phosphate Sodium phosphate (Na3PO4) Tribasic sodium orthophosphate
Full Description

Trisodium Phosphate (TSP) is a strongly alkaline inorganic compound with powerful cleaning and degreasing properties. It is highly soluble in water and