Request a Quote

Products

Selected chemical raw materials supplied with consistent specifications, quality documentation and professional export support.

‹

  • Ferrous sulfate CAS#7720-78-7
  • Ferrous sulfate CAS#7720-78-7
  • Ferrous sulfate CAS#7720-78-7
  • Ferrous sulfate CAS#7720-78-7
  • Ferrous sulfate CAS#7720-78-7

›

Ferrous sulfate CAS#7720-78-7

Ferrous sulfate CAS#7720-78-7

Basic Information

Green vitriol (iron(II) sulfate, FeSO₄·7H₂O) has been known since the 13th century and is traditionally obtained by crystallization from iron or iron-based materials reacted with dilute sulfuric acid.


High Solubility & Multiple Hydration Forms：The heptahydrate forms green monoclinic crystals with high water solubility (296 g/L at 25 °C) and can be converted into mono-, tetra-, or anhydrous forms through controlled dehydration processes.


Thermal Transformation Capability：Upon heating, iron(II) sulfate undergoes systematic dehydration and eventually decomposes at high temperatures to form iron(III) oxide (Fe₂O₃), releasing sulfur dioxide and sulfur trioxide.


Industrial Relevance of Iron(III) Oxide：The resulting iron(III) oxide, also known as hematite, is a stable, high-temperature-resistant material widely used in industry. It dissolves in dilute acids to form iron(III) salts and can be reduced to metallic iron under controlled conditions.


Can't Find The Product You Need?

Tell Us Your Product Requirements, Specifications And Target Industry, Our Professional Team Will Reply You Within 24 Hours.

+86 18953904499
+86 18953904499
Contact us

Navigation

Contact Us

+86 18953904499
+86 18953904499
sales06@hhdchem.com

Send Us A Message

product description

Products Description of Ferrous sulfate CAS#7720-78-7

Ferrous sulfate (green vitriol, FeSO₄·7H₂O) is a water-soluble iron compound produced from iron and dilute sulfuric acid. It has heptahydrate, tetrahydrate and monohydrate forms, and decomposes to industrial-grade hematite (iron(III) oxide) and sulfur oxides when strongly heated.


Product Applications of Ferrous sulfate CAS#7720-78-7

Ferrous sulfate is a high-bioavailability iron source (20% elemental iron as heptahydrate, 32% as dried form) used in nutritional supplements and food fortification (baking mixes, infant foods, cereals, pasta). Encapsulated grades have better stability. It is also a key raw material for sulfur dioxide, sulfuric acid and iron-based compound production.

Product Information

Parameters


Melting pointdecomposes at 671℃ [JAN85]
density3.65
vapor pressure0Pa at 20℃
storage temp.Store at +15°C to +25°C.
solubilityWater (Slightly)
formwhite orthorhombic crystals
colorwhite orthorhombic crystals, crystalline; hygroscopic
Odorat 100.00?%. odorless
PH2.5 (20°C, 50g/L in H2O)
Water Solubilityg/100g solution H2O: 13.6 (0°C), 22.8 (25°C), 24.0 (100°C); solid phase, FeSO4 · 7H2O (0°C, 25°C), FeSO4 ·H2O (100°C) [KRU93]
Dielectric constant14.2（14℃）
Cosmetics Ingredients FunctionsASTRINGENT
InChIInChI=1S/Fe.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChIKeyBAUYGSIQEAFULO-UHFFFAOYSA-L
SMILES[Fe+2].S([O-])([O-])(=O)=O
CAS DataBase Reference7720-78-7(CAS DataBase Reference)
NIST Chemistry ReferenceFerrous sulfate(7720-78-7)
EPA Substance Registry SystemFerrous sulfate (7720-78-7)


Safety Information


Risk Statements25
Safety Statements45
HS Code28332910
Hazardous Substances Data7720-78-7(Hazardous Substances Data)
ToxicityLD50 oral in rat: 319mg/kg


Factory Showcase

详情-工厂

Shipping And Transportation

详情-物流

FAQ

Are you a manufacturer or a trading company?
Shandong Honghuida Chemical Co., Ltd. is a chemical product supplier and export company. We maintain long-term partnerships with reputable domestic manufacturers to provide customers with reliable chemical supplies and export services.

 

What are your main products?
We supply a wide range of chemical products, including basic chemical raw materials, fine chemicals, organic solvents, chemical intermediates, coating additives, plastic additives, and water treatment chemicals. Please contact our sales team for specific products, specifications, and availability.

 

Can you provide samples?
Samples are available for selected products. Sample and shipping costs depend on the product, quantity, and destination. Sample fees may be deducted from a subsequent commercial order upon agreement.

 

What is your minimum order quantity?
The minimum order quantity depends on the product, purity, packaging, and shipping method. Small trial orders are generally accepted. Please contact our sales team for details.

 

How can I get a quotation?
Please provide the product name, required specification or purity, quantity, packaging requirements, destination port, and preferred Incoterm. We will provide a quotation as soon as possible.

Contact Us

Submit

Related Recommendations

Inquiry