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Ferrous Ammonium Sulfate Hexahydrate 99.5% AR Grade Reagent

Cas Number:7783-85-9
Formula: (NH4)2Fe(SO4)2•6H2O
Molar Mass:392.14
EC Number:233-382-4

Quantity:
  • AR
  • LABOR
  • 202402129

Ferrous Ammonium Sulfate Hexahydrate 99.5% AR Grade Reagent


Cas Number:7783-85-9

Formula: (NH4)2Fe(SO4)2·6H2O

Molar Mass:392.14

EC Number:233-382-4


Physicochemical properties:

Light blue-green crystal or powder. Sensitive to light. It gradually weathers and oxidizes in the air. Soluble in water, almost insoluble in ethanol. The relative density (d204) is 1.86. Low toxicity, half lethal dose (rat, oral) 3250mg/kg. Irritating.


Usage:

It is used to calibrate potassium permanganate solution. Formulate a ferrous ion standard solution and also used as a polymerization catalyst.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.5 min

pH (50g/L,25℃)

3.0~5.0

Insoluble in water ,%

0.005 max

Chloride(Cl),%

0.001 max

Phosphate(PO4) ,%

0.0005 max

Manganese(Mn),%

0.05 max

Iron(Fe) ,%

0.01 max

Copper(Cu),%

0.002 max

Zinc(Zn),%

0.003 max

Lead(Pb),%

0.002 max

Substances not precipitated by NH4OH(as SO4) ,%

0.1 max


Not a hazardous substance or mixture.


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