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Sodium Dihydrogen Phosphate 99% AR Grade Reagent

Cas Number:13472-35-0
Formula: NaH2PO4•2H2O
Molar Mass:156.01
EC Number:231-449-2

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Model:
AR
Brand:
LABOR
Code:
223402129

Sodium Dihydrogen Phosphate 99% AR Grade Reagent

Cas Number:13472-35-0

Formula: NaH₂PO₄·2H₂O

Molar Mass:156.01

EC Number:231-449-2

Physicochemical properties:

Colorless crystal or white crystalline powder. Odorless.It will lose all of the water of crystallization at 100 ° C. It is soluble in water, and almost insoluble in ethanol, its aqueous solution is acidic. The pH of the 0.1 mol/L aqueous solution at 25 ° C is 4.5. The relative density is 1.915. The melting point is 60 ° C. The product also has a molecule of crystal water.

Usage:

Buffer. Softener. Production of sodium hexametaphosphate and sodium pyrophosphate. Determination of magnesium. A modified white medium is prepared in a single sports species.

Packing:

500g/25kg

Sodium Dihydrogen Phosphate 99% Sodium Dihydrogen Orthophosphate; Sodium Phosphate Monobasic Dihydrate AR Grade Reagent

Item of Analysis	Standard
Assay,%	99.0 min
pH(50g/L,25℃)	4.2~4.6
Transparency of solution	3 max
Insoluble in water,%	0.01 max
Chloride(Cl),%	0.005 max
Sulfate(SO₄),%	0.005 max
Nitrate(NO₃),%	0.001 max
Ammonium(NH₄),%	0.002 max
Arsenic(As),%	0.0002 max
Potassium(K),%	0.02 max
Iron(Fe),%	0.001 max

Item of Analysis	Standard
Assay,%	99.0 min
pH(50g/L,25℃)	4.2~4.6
Transparency of solution	3 max
Insoluble in water,%	0.01 max
Chloride(Cl),%	0.005 max
Sulfate(SO₄),%	0.005 max
Nitrate(NO₃),%	0.001 max
Ammonium(NH₄),%	0.002 max
Arsenic(As),%	0.0002 max
Potassium(K),%	0.02 max
Iron(Fe),%	0.001 max

Sodium Dihydrogen Phosphate 99% AR Grade Reagent

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