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Sodium Dihydrogen Phosphate Anhydrous 99% AR Grade Reagent

Cas Number:7558-80-7
Formula: NaH2PO4
Molar Mass:119.98
EC Number:231-449-2

Quantity:
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  • 223502129

Sodium Dihydrogen Phosphate Anhydrous 99% AR Grade Reagent


Cas Number:7558-80-7

Formula: NaH2PO4

Molar Mass:119.98

EC Number:231-449-2


Physicochemical properties:

White crystalline powder. Tasteless. Micro moisture absorption.It will form acid sodium pyrophosphate at 225 to 250 ° C,and form sodium metaphosphate at 350 to 400 ° C .It is soluble in water, and acidic, almost insoluble in ethanol. Half lethal dose (rat, muscle) 250 mg/kg.


Usage:

Buffer. Softener


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

4.2~4.6

Transparency of solution

4 max

Insoluble in water,%

0.01 max

Chloride(Cl),%

0.008 max

Sulfate(SO4),%

0.015 max

Ammonium(NH4),%

0.006 max

Iron(Fe),%

0.004 max

Arsenic(As),%

0.0003 max

Heavy metals(as Pb),%

0.002 max

Ammonia settling,%

0.015 max


Not a hazardous substance or mixture.

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