Trisodium Phosphate CAS#7601-54-9

Trisodium Phosphate CAS#7601-54-9

Strong Alkalinity for High Cleaning Efficiency:Forms a highly alkaline solution (pH ≈ 11.5), making it very effective for degreasing, cleaning, and pH adjustment applications.


Excellent Water SolubilityReadily dissolves in water at room temperature, allowing fast preparation of concentrated alkaline solutions for industrial and processing use.


Stable Hydrated Crystal StructureRetains part of its crystallization water even at elevated temperatures, ensuring good thermal stability and reliable performance during heating and storage.


High Purity Crystalline FormWhite to colorless hexagonal crystals provide consistent quality, easy handling, and suitability for precise formulation and dosing.


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Product Description

Product Description of Trisodium Phosphate CAS#7601-54-9

Trisodium Phosphate Dodecahydrate is white to colorless hexagonal crystals with a density of about 1.62 g/cm³. It melts near 75 °C on rapid heating and partially loses crystal water at 100 °C, retaining the last water molecule even at higher ignition temperatures. Freely soluble in water with solubility of around 28 g/100 mL at 20 °C, forming a strongly alkaline solution; 0.1 M aqueous solution pH approx 11.5. Insoluble in alcohol, widely applied where strong alkalinity and good water solubility are required.


Product Application of Trisodium Phosphate CAS#7601-54-9

Trisodium Phosphate is an inorganic salt, widely used as high-efficiency industrial detergent, metal surface treatment agent and floor cleaner, featuring strong cleaning and degreasing performance. It also serves as a water softener and boiler water treatment chemical, and acts as a paint remover for surface preparation. Besides, it is applied in photographic developers, leather tanning, papermaking and sugar clarification, with versatile uses across various industrial processes.

Product Information

Parameters


Melting point1340°C
density2.536 g/cm3(Temp: 17.5 °C)
vapor pressure0Pa at 20℃
storage temp.Inert atmosphere,Room Temperature
solubilityH2O: slightly soluble(lit.)
formPowder
colorWhite
Odorat 100.00?%. odorless
PH10.95(1 mM solution);11.71(10 mM solution);12.12(100 mM solution)
Water SolubilitySoluble in water. Insoluble in ethanol and carbon disulfide.
SensitiveHygroscopic
Merck148,662
Dielectric constant1.6(Ambient)
InChIInChI=1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
InChIKeyRYFMWSXOAZQYPI-UHFFFAOYSA-K
SMILES[Na+].[Na+].[Na+].P([O-])([O-])([O-])=O
CAS DataBase Reference7601-54-9(CAS DataBase Reference)
EPA Substance Registry SystemTrisodium phosphate (7601-54-9)


Safety Information


Hazard CodesC,Xi
Risk Statements34-36/37/38
Safety Statements26-36/37/39-45-24/25
RIDADRUN 3262 8/PG 3
WGK Germany1
RTECSTC9490000
F34
TSCAYes
HazardClass8
PackingGroupIII
HS Code28352910
Hazardous Substances Data7601-54-9(Hazardous Substances Data)
ToxicityLD50 skin in rabbit: > 300mg/kg


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