Sodium phosphate monobasic dihydrate

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Other name: 

Sodium dihydrogen phosphate
Sodium Phosphate Monobasic Dihydrate

 

CAS No.: 7758-80-7

Molecular Formula: 

NaH2PO4·2H2O

Molecular Weight: 156.02
 

Characters: Colorless rhombic system crystal with slight hygroscopicity, easily soluble in water

Specifications:

Sodium phosphate monobasic dihydrate Reagent grade A.R. Reagent grade C.P. USP31
Item Spec. Spec. Spec.
Assay % ≥99 ≥98 98.0-103.0
Clarity test Pass Pass
PH(50g/l25°C) 4.2-4.6 4.2-4.6 4.1-4.5
Water insoluble% ≤0.01 ≤0.02 ≤0.2
Chlorides(CL) % ≤0.005 ≤0.01 ≤0.014
Sulphates(SO4)% ≤0.005 ≤0.01 ≤0.15
Nitrates(NO3)% ≤0.001 ≤0.002
Ammonium(NH4)% ≤0.002 ≤0.005
Fe% ≤0.001 ≤0.005
As% ≤0.001 ≤0.005 ≤0.0008
Heav metal % ≤0.001 ≤0.005 ≤0.002
K% ≤0.02 ≤0.1
Ammonia precipitates % ≤0.01 ≤0.02
Water % .10-15
Aluminium, calcium and related compositions Clear
Organic volatiles Pass

Product Usage: It is used for boiler water treatment, electroplating, leather making, baking powder, detergents; as raw material for the manufacture of sodium hexametahposphate.

Packaging: In 25Kg/woven bag lined with double-layer plastic bag

Storage Precautions: Stored in dry and draughty warehouse, avoid dampness and heating.

Sodium phosphate monobasic dihydrate


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