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Sodium phosphate monobasic CAS#7558-80-7

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  • Sodium phosphate monobasic CAS#7558-80-7
  • Sodium phosphate monobasic CAS#7558-80-7
  • Sodium phosphate monobasic CAS#7558-80-7
  • Sodium phosphate monobasic CAS#7558-80-7
  • Sodium phosphate monobasic CAS#7558-80-7

›

Sodium phosphate monobasic CAS#7558-80-7

Available in multiple forms: white powder, granules, or colorless to white crystalline powder, providing flexibility for different applications.

Relatively soluble in water, making it easy to prepare aqueous solutions.

Slightly acidic aqueous solution (pH around 4.5), suitable for applications requiring mild acidity.

Insoluble in ethanol and only slightly soluble in chloroform, ensuring stability in non-aqueous solvents.


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Product Description

Product Description of Sodium phosphate monobasic CAS#7558-80-7

Anhydrous product is white powder or granules; dihydrate is colorless to white crystals or crystalline powder. Moderately soluble in water to form acidic solution at pH approx 4.5, practically insoluble in ethanol and slightly soluble in chloroform.


Product Application of Sodium phosphate monobasic CAS#7558-80-7

Monobasic sodium phosphate monohydrate is widely used as a sequestrant, emulsifier and dye mordant, as well as a reagent and buffer in food and analytical chemistry. It also acts as a fire retardant and silk weighting agent in tanning. Furthermore, it is applied in enamels, ceramics, detergents and boiler chemicals, and can replace borax in soldering and brazing.

Product Information

Parameters


Melting point<0°C
Boiling point100°C
bulk density940kg/m3
density1.40 g/mL at 20 °C
vapor pressure0Pa at 20℃
storage temp.room temp
solubilityH2O: 5 M, clear, colorless
formpowder
colorWhite
Odorat 100.00?%. odorless
PH4.0 - 4.5 (25℃, 50g/L in water)
pka(1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)
Water SolubilitySoluble in water. Insoluble in alcohol,ether and chloroform.
λmaxλ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.02
SensitiveHygroscopic
Merck148,660
BRN3903772
Stability:Stable. Incompatible with heavy metals, strong acids.
InChIKeyAJPJDKMHJJGVTQ-UHFFFAOYSA-M
LogP-2.148 (est)
CAS DataBase Reference7558-80-7(CAS DataBase Reference)
EPA Substance Registry SystemMonosodium phosphate (7558-80-7)
Absorption≤0.2 at 260 in H2O at 1M
≤0.2 at 280 in H2O at 1M


Safety Information


Hazard CodesXi
Risk Statements36/37/38-36
Safety Statements26-36-39
WGK Germany1
RTECSWA1900000
F3
TSCAYes
HS Code28352200
Hazardous Substances Data7558-80-7(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 8290 mg/kg LD50 dermal Rabbit > 7940 mg/kg


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