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Chemical reagent
Ammonium iron (II) sulfate, hexahydrate

Product name

Ammonium iron (II) sulfate, hexahydrate

Specification

Reagent grade

Molecular formula

(NH4)2Fe(SO4)2·6H2O

CAS

7783-85-9

H.S. CODE

2842909090

Molecular weight

392.14

Appearance

Light blue-green crystals

Package

25KG Woven bags or fiber drums

Property

    A soil white or yellowish powder, namely into a brown liquid. Soluble in water and alcohol. Anhydrous ferric density for 3.097 g/cm ^ 3. Become acidic aqueous solution, heating through 480 ℃ when decompose, release sulphur trioxide become trioxide iron, avoid light, moistureproof, sealing preservation.

Application

  As an analytical reagent, sugar to quantitatively measure, iron catalyst, mordant DTC system pigment, drugs.

Test standardGB/T661-2011

Test items

Specification

AR grade

CP grade

Appearance

Light blue-green crystals

Light blue-green crystals

Assay

99.5%

99.0%

pH

3.0~5.0

3.0~5.0

Water insoluble

0.005%

0.02%

Chloride

0.001%

0.005%

Phosphate

0.0005%

0.002%

Manganese

0.05%

-

Iron

0.01%

0.02%

Copper

0.002%

0.01%

Zinc

0.003%

0.02%

Lead

0.002%

0.004%

Substances not precipitated by ammonium hydroxide

0.1%

0.2%

Storage

    Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.


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