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Inorganic Salts

Ferrous Sulphate Heptahydrate AR/ACS

RA000112 CAS 7782-63-0 AR/ACS

Ferrous Sulphate Heptahydrate AR/ACS (CAS 7782-63-0): laboratory reagent of AR/ACS grade from the ReagentAtlas catalogue. Pack sizes: 500 g. Submit your requirement to request a quotation.

Identity

Product code
RA000112
CAS number
7782-63-0
Grade
AR/ACS
Purity
99%
Molecular formula
FeSO 4 .7H 2 O
Molecular weight
278.01

Synonyms: Iron(II) Sulphate heptahydrate

Classification

Technical Data

Physical state
Solid
Shelf life
36 Months
HS code
2833.2910

Properties

PropertyValue
Physical state at 20 °C Solid
pH value 3 - 4 at 50 g/l at 25 °C
Melting point/ Freezing point [°C] 64 °C
Boiling point [°C] > 300°C
Vapour pressure mm/Hg 14.6 mm Hg at 25 °C
Density [g/cm3] 1.898 g/cm3 at 25 °C
Solubility in water [% weight] 48.6 g/100 g water @ 500C

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecification
Appearance Light blue or blue-green or green powder or crystals
Assay Min 99.0%
Ferric ion (Fe+3) Max 0.1%
Copper (Cu) Max 0.005%
Insoluble matter Max 0.01%
pH (5% solution in water) 3.0 - 4.0
Chloride (Cl) Max 0.001%
Phosphate (PO4) Max 0.001%
Manganese (Mn) Max 0.05%
Zinc (Zn) Max 0.005%
Calcium (Ca) Max 0.005%
Magnesium (Mg) Max 0.002%
Potassium (K) Max 0.002%
Sodium (Na) Max 0.02%

4 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
500 g RA000112-500G