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Disodium Hydrogen Phosphate Anhydrous 99% AR Grade Reagent

Cas Number:7558-79-4
Formula: Na2HPO4
Molar Mass:141.96
EC Number:231-448-7

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Model:
AR
Brand:
LABOR
Code:
209102129

Disodium Hydrogen Phosphate Anhydrous 99% AR Grade Reagent

Cas Number:7558-79-4

Formula: Na₂HPO₄

Molar Mass:141.96

EC Number:231-448-7

Physicochemical properties:

White crystalline powder. It is easy to absorb moisture. It can absorb 2~7mol of water in a long time in the air. It is soluble in about 8 parts of water and insoluble in ethanol, The pH is 9.1 while 1% aqueous solution at 25 ° C. The minimum lethal dose (rat, abdominal cavity) is 1000mg/kg.

Usage:

Analytical reagents. Buffer. Softener. Printing and dyeing industry fire retardant. Fabric weighting agent.

Packing:

500g/25kg

Disodium Hydrogen Phosphate Anhydrous 99% Sodium Hydrogen Phosphate; Disodium Monohydrogen Phosphate AR Grade Reagent

Item of Analysis	Standard
Assay,%	99.0 min
pH(30g/L,25℃)	8.7~9.3
Transparency of solution	4 max
Insoluble in water,%	0.01 max
Loss on drying,%	0.2 max
Chloride(Cl),%	0.002 max
Sulfate(SO₄) ,%	0.005 max
Nitrogen compounds(N) ,%	0.002 max
Arsenic(As),%	0.001 max
Iron(Fe),%	0.002 max
Heavy metals(as Pb),%	0.001 max

Item of Analysis	Standard
Assay,%	99.0 min
pH(30g/L,25℃)	8.7~9.3
Transparency of solution	4 max
Insoluble in water,%	0.01 max
Loss on drying,%	0.2 max
Chloride(Cl),%	0.002 max
Sulfate(SO₄) ,%	0.005 max
Nitrogen compounds(N) ,%	0.002 max
Arsenic(As),%	0.001 max
Iron(Fe),%	0.002 max
Heavy metals(as Pb),%	0.001 max

Disodium Hydrogen Phosphate Anhydrous 99% AR Grade Reagent

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