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Ferrous Sulfate Heptahydrate FeSO4 - 5000g
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Description
Ferrous Sulfate Heptahydrate
Other Names: Iron(II) sulfate heptahydrate, Green vitriol
CAS Number: 7782-63-0
Sum Formula: FeSO₄·7H₂O
Molar Mass: 278.01 g/mol
Appearance: Pale blue-green crystalline solid
Description
Ferrous sulfate heptahydrate is an inorganic iron salt composed of divalent iron, sulfate ions, and water of crystallization. It is widely used in chemical synthesis, wastewater treatment, and as a precursor to other iron compounds. Known for its tendency to oxidize in air, it should be stored properly to maintain stability.
Chemical and Physical Properties
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Density: ~1.9 g/cm³
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Melting Point: Decomposes at ~64°C (loses water of crystallization)
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Boiling Point: Not applicable (decomposes before boiling)
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Solubility in Water: Soluble (approximately 26 g/100 mL at 20°C)
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Solubility in Other Solvents: Slightly soluble in alcohol
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Odor: Odorless
Applications
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Water Treatment: Used as a coagulant in the purification of industrial and municipal wastewater.
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Chemical Synthesis: Serves as a precursor for other iron-based compounds.
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Pigments and Dyes: Involved in dyeing processes and iron oxide pigment production.
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Laboratory Use: Employed as a reducing agent and in analytical chemistry procedures.
Safety
Signal Word: Warning
H302 (> 99.9%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (99.8%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (99.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, and P501
Handling and Storage
Storage Conditions:
Store in a dry, cool, well-ventilated place, in a tightly sealed container. Protect from air and moisture to prevent oxidation.
Handling Precautions:
Avoid dust formation. Use protective equipment to prevent skin and eye contact. Ensure proper ventilation during handling.