Ferrous Sulfate (Iron II Sulfate) Heptahydrate, ACS

Used for quantitative analysis of nitrates.

Synonyms:
Iron II Sulfate Heptahydrate

CAS No:
7782-63-0

Molecular Formula:
FeSO4•7H2O

Molecular Weight:
278.02

Appearance:
Bluish geen crystals

Purity:
≥99%

Melting Point:
65°C (approx.)

pH:
3-4 (25°C, 50g/L)

Density:
1.898g/ml at 25°C (lit.)

Insoluble Matter:
≤0.01%

Calcium:
≤0.005%

Chloride:
≤0.001%

Copper:
≤0.005%

Ferric Ion (Fe3+):
≤0.1%

Magnesium:
≤0.002%

Manganese:
≤0.05%

Phosphate:
≤0.001%

Potassium:
≤0.002%

Sodium:
≤0.002%

Zinc:
≤0.005%

Substance not precipitated by NH4OH:
≤0.05

Solubility (20%):
Green colored clear solution

Storage and Stability:
May be stored at RT.

Warning:
Irritant! Moisture sensitive!

Meets or exceeds ACS Specifications