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A15178 Iron(II) sulfate heptahydrate, 98%

CAS Number
Ferrous sulfate, dried

Stock No. Size Price ($) Quantity Availability
A15178-36 500g 31.20
A15178-0E 2500g 99.90
A15178-0C 10000g 286.00
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Iron(II) sulfate heptahydrate, 98%


Chemical Properties

Formula Weight
278.02 (151.91anhy)
Melting point
64° -6H{2}O
Storage & Sensitivity
Air Sensitive. Store under Argon. Ambient temperatures.
Soluble in water. Insoluble in alcohol.


Iron(II) sulfate heptahydrate is used as a precursor to prepare other iron compounds such as a lawn conditioner and a mordant for wool dyeing. It is actively used in the manufacture of ink including iron gall ink. As a reducing agent, it participates in the reduction of chromate in cement. It is also used in industrial water treatment plants to remove phosphate. It is also used in the gold refining process to precipitate metallic gold. Woodworkers use aqueous solutions of ferrous sulfate to color maple wood a silvery hue. It finds application in the treatment of iron chlorosis, which arises due to deficiency of iron in horticulture.


Air and moisture sensitive. Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Store in cool place. Incompatible with strong oxidizing agents.

Literature References

Harman, D. G.; Gorkin, R.; Stevens, L.; Thompson, B.; Wagner, K.; Weng, B.; Wallace, G. G. Poly (3, 4-ethylenedioxythiophene): dextran sulfate (PEDOT: DS)-A highly processable conductive organic biopolymer. Acta Biomater. 2015, 14, 33-42.

Setifi, Z.; Setifi, F.; Francuski, B. M.; Novakovic, S. B.; Merazig, H. Crystal structure of tetraaqua [2-(pyridin-2-yl)-1H-imidazole-2N2, N3] iron (II) sulfate. Acta Crystallogr E Crystallogr Commun 2015, 71 (4), 346-349.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H315-H319-H336-H373

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause drowsiness or dizziness. May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements: P260-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P314-P330-P332+P313-P362-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Get medical advice/attention if you feel unwell. Rinse mouth. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


  • A12915

    Zinc sulfate heptahydrate, 98%
  • A14491

    Magnesium sulfate heptahydrate, 99+%
  • A15310

    Potassium peroxydisulfate, 97%
  • A16195

    Sodium pyrophosphate decahydrate, 97+%
  • 14178

    Copper(II) sulfate pentahydrate, ACS, 98.0-102.0%

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