Ammonium Ferrous Sulfate 6 Hydrate ACS

PRODUCT :

AMMONIUM FERROUS SULFATE 6-HYDRATE ACS

Product Information:

Alternate Name

AMMONIUM IRON(II) SULFATE 6-hydrate

Molecular Formula

(NH₄)₂Fe(SO₄)₂.6H₂O

Molecular weight

392.14

Density

1.86 g/cm² @20°C

CAS No.

[7783-85-9]

HS Code

2842 90 90

EC No.

233-151-8

Storage

Without limitations

R phrase

---

S phrase

S 24/25

Chemical/Physical Data:

Odour

odourless

Form

solid crystals

Colour

pale greenish

Bulk density

~ 820 kg/m3

pH value

3.0 – 5.0  (5%w/v solution in distilled water, 20°C)

Solubility in water

269 g/l, 20°C

Melting point

100°C

Thermal decomposition

100-110°C

Toxicity Data:

LD50 oral

LD oral rat 3250 mg/kg

Specifications:

Test Solution (10%w/v in water + 1ml sulfuric acid)

Solution is clear and pale greenish

Assay

98.5 – 101.5%

Maximum limits of Impurities:

Insoluble matter

0.01%

Phosphate, as PO4

0.003%

Calcium, as Ca

0.005%

Copper, as Cu

0.003%

Magnesium, as Mg

0.002%

Manganese, as Mn

0.01%

Potassium, as K

0.002%

Sodium, as Na

0.02%

Zinc, as Zn

0.003%

Ferric ion, as Fe⁺³

0.01% (Due to inherent oxidation, ferric ion (Fe+3) content may increase on storage)