Water TreatmentIn Stock

Ferrous Sulphate Heptahydrate

Name: Zenco Systems Ltd - Chemical Division
Address: Industrial Area, Enterprise Road, KCB Building, Nairobi, Kenya
Telephone: +254114591982
Price range: KES

Ferrous Sulphate Heptahydrate is a vital chemical used primarily in water treatment and manufacturing industries across East Africa.

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Packaging

25kg bags, 50kg drums

Supply Region

Kenya, East Africa

Supplier

Zenco Systems Ltd

What is Ferrous Sulphate Heptahydrate?

When specifying Ferrous Sulphate Heptahydrate, industrial buyers often prioritize consistent purity, reliable supply chains, and predictable performance in water treatment processes or manufacturing inputs. This compound, chemically represented as FeSO4·7H2O, is a pale green crystalline solid widely applied across East Africa’s industrial sectors including water treatment, agriculture, and pigment production. Its demand in Kenya, Uganda, Tanzania, and neighboring countries reflects its utility as a cost-effective agent for phosphate removal and iron supplementation.

The significance of Ferrous Sulphate Heptahydrate extends beyond simple chemical usage; it acts as an iron source in animal feeds, a processing aid in wastewater treatment, and an intermediate in manufacturing pigments and other iron salt formulations. Zenco Systems Ltd ensures steady delivery of this chemical to industrial customers in East Africa, reinforcing its role as a backbone chemical essential for modern environmental management and manufacturing practices.

Ferrous Sulphate Heptahydrate: Detailed Product Overview

Ferrous Sulphate Heptahydrate consists of iron in the +2 oxidation state complexed with sulfate ions and seven molecules of water of crystallization. This hydration state influences the compound’s physical stability, solubility, and reactivity. In aqueous systems, it readily dissolves, producing Fe2+ ions that react with phosphates and other impurities. This makes it an effective coagulant in water treatment, precipitating phosphates as insoluble iron phosphate compounds, thereby reducing eutrophication risks.

Chemically, its mild acidic reaction arises due to hydrolysis of Fe2+ ions forming ferrous hydroxides under neutral to alkaline pH. These properties dictate how it behaves in process waters, affecting dosing rates and interaction with other treatment chemicals. Performance characteristics such as purity and particle size distribution impact solubility and handling — factors that Zenco Systems Ltd monitors carefully to meet industrial standards.

Besides water treatment, this chemical serves as a precursor in synthesizing pigments and acts as a micronutrient supplement in agriculture and animal nutrition. The iron supplied in its ferrous form is more bioavailable for plant uptake and animal metabolism than other iron sources. However, careful handling and storage are necessary due to its potential to oxidize to ferric sulfate, diminishing efficacy over time. Buyers from Kenya and surrounding East African countries value consistent quality coupled with timely delivery, which Zenco Systems Ltd guarantees through stringent supply chain management.

Applications and Uses of Ferrous Sulphate Heptahydrate

Water treatment

Ferrous Sulphate Heptahydrate is primarily employed as a coagulant and phosphate remover in wastewater and drinking water treatment. When dosed into wastewater, the Fe2+ ions precipitate phosphates by forming insoluble iron phosphate complexes. This reduces nutrient loads that cause algal blooms and protects aquatic ecosystems. Typical dosing varies depending on phosphate concentration but is usually between 20 to 50 mg/L. It also aids in floc formation by neutralizing suspended particles, improving settling rates.

Phosphate removal

Industries generating nutrient-rich effluents use ferrous sulfate heptahydrate to chemically precipitate phosphates from wastewater streams. The iron in its ferrous state reacts rapidly with phosphate ions, forming stable precipitates that can be removed by sedimentation or filtration. This process aligns with environmental discharge regulations and is a cost-effective remediation method within Kenya and East Africa’s urban and industrial settings.

Pigment manufacturing

Ferrous Sulphate Heptahydrate acts as a key raw material in manufacturing iron oxide pigments used in paints, coatings, and construction materials. It undergoes controlled oxidation and thermal treatments to convert the iron(II) sulfate into iron(III) oxide variants with specific color shades. This chemical pathway enables producing pigments with consistent tone and durability.

Agricultural iron supplements

In agriculture, this compound provides an accessible iron source for correcting chlorosis in crops grown on alkaline or calcareous soils prevalent in parts of East Africa. Applied via soil amendment or foliar sprays, it supports essential plant physiological processes. Ferrous Sulphate Heptahydrate’s solubility allows rapid uptake, enhancing crop yields and quality.

Animal feed additive

Used as an iron fortifier in animal nutrition, ferrous sulfate heptahydrate addresses iron deficiencies in livestock diets. Its bioavailability helps prevent anemia and supports growth performance. Inclusion rates vary with species and physiological status. Suppliers like Zenco Systems Ltd ensure feed-grade quality appropriate for this application.

Looking for alternatives for a specific process? Browse the full Water Treatment range or ask our technical team which grade fits your application.

Benefits and Advantages

Efficient phosphate removal

Ferrous Sulphate Heptahydrate offers rapid and effective precipitation of phosphate ions, which is critical for meeting wastewater discharge standards. This efficiency stems from its direct chemical reaction with phosphates forming insoluble complexes that can be easily separated. This property results in lower treatment costs compared to alternative phosphate removal chemicals.

Versatility across industries

The chemical’s multiple functional roles—from water treatment to manufacturing and agriculture—make it a versatile procurement choice. Industries benefit from a single reliable supplier that provides a product fulfilling diverse technical requirements, reducing supplier complexity and enhancing operational efficiency.

High bioavailability of iron

In both agricultural and animal feed applications, the ferrous (Fe2+) ion is more readily absorbed than ferric iron forms. This means crops and livestock receive immediate nutritional benefits, supporting growth and health efficiently, which reduces supplementation volumes and operational costs.

Stable storage and long shelf life

When stored properly in cool, dry conditions separated from oxidizing agents, Ferrous Sulphate Heptahydrate maintains its crystalline form and chemical integrity over extended periods. This stability ensures predictable performance and reduces inventory obsolescence risks for industrial users.

Packaging Information

Ferrous Sulphate Heptahydrate is commonly supplied in 25 kg polypropylene bags and 50 kg steel drums suitable for industrial handling and storage. These package sizes facilitate manageable dosing quantities for water treatment plants and manufacturing facilities across Kenya, Uganda, Tanzania, and wider East Africa. For bulk users, options such as palletized deliveries can be arranged through Zenco Systems Ltd, allowing for cost-effective logistics and seamless cross-border distribution within the region.

Standard formats: 25kg bags, 50kg drums

Storage and Handling

Store Ferrous Sulphate Heptahydrate in a cool, dry, and well-ventilated area, away from oxidizing agents such as nitrates or chlorates which can cause hazardous decompositions. The product should be kept in tightly sealed original containers to minimize moisture absorption and oxidative degradation. Handling requires personal protective equipment including gloves and eye protection since the dust or concentrated solutions may irritate skin and mucosa. Exposure to air and moisture over extended periods may lead to oxidation forming ferric sulfate, reducing chemical efficacy.

Safety Information

Ferrous Sulphate Heptahydrate is classified as an irritant to skin, eyes, and respiratory tract. Users should wear gloves, goggles, and dust masks when handling the powder or concentrated solutions. In case of contact, affected areas should be rinsed immediately with plenty of water. Avoid ingestion and prolonged inhalation of dust. For large spills, containment and neutralization using appropriate absorbents are recommended, followed by disposal according to local environmental regulations. Consult the product’s Safety Data Sheet (SDS) for comprehensive hazard and first aid information.

Technical Specifications

GradeConfirm with supplier

PurityConfirm with supplier

FormulaFeSO4·7H2O

Packaging25kg bags, 50kg drums

AppearancePale green crystalline solid

CAS Number7782-63-0

SolubilitySoluble in water, approximately 80 g/100 mL at 20°C

Chemical NameFerrous Sulphate Heptahydrate

Storage ConditionsCool, dry, ventilated place away from oxidizing substances

pH (aqueous solution)Approximately 3.0 to 4.5

Applications

Water treatment
Phosphate removal
Pigment manufacturing
Agricultural iron supplements
Animal feed additive

Technical Data Sheet (TDS)

GradeConfirm with supplier

PurityConfirm with supplier

FormulaFeSO4·7H2O

Packaging25kg bags, 50kg drums

AppearancePale green crystalline solid

CAS Number7782-63-0

SolubilitySoluble in water, approximately 80 g/100 mL at 20°C

Chemical NameFerrous Sulphate Heptahydrate

Storage ConditionsCool, dry, ventilated place away from oxidizing substances

pH (aqueous solution)Approximately 3.0 to 4.5

Product Features

- Pale green crystalline solid
- Hydrated with seven water molecules
- Soluble in water with mild acidic pH
- Source of bioavailable ferrous iron
- Effective phosphate precipitant
- Stable under proper storage

Industries Served

- Water treatment
- Agriculture
- Animal nutrition
- Pigment manufacturing
- Mining
- Wastewater management

Product Overview

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Frequently Asked Questions About Ferrous Sulphate Heptahydrate

What is Ferrous Sulphate Heptahydrate used for in water treatment?

It is used primarily to remove phosphates by precipitating them as insoluble iron phosphate, aiding nutrient control in wastewater and improving water quality.

What is the typical dosing range for Ferrous Sulphate Heptahydrate in wastewater applications?

Typical dosing varies from 20 to 50 mg/L depending on phosphate concentration and wastewater characteristics.

Can Ferrous Sulphate Heptahydrate be used as an iron supplement in agriculture?

Yes, it is widely used to correct iron deficiencies in crops, improving plant health especially in alkaline soils.

What packaging sizes are available for Ferrous Sulphate Heptahydrate from Zenco Systems Ltd?

It is supplied in 25 kg bags and 50 kg drums, with bulk and palletized shipping options available for East African customers.

Is Ferrous Sulphate Heptahydrate safe to handle?

It requires standard safety precautions including gloves, eye protection, and dust masks due to its irritant nature. Always refer to the Safety Data Sheet (SDS).

How should Ferrous Sulphate Heptahydrate be stored to maintain quality?

Store in a cool, dry, and well-ventilated area away from oxidizers and moisture to prevent degradation and oxidization.

Does Zenco Systems Ltd supply Ferrous Sulphate Heptahydrate outside Kenya?

Yes, we supply reliably across East Africa including Uganda, Tanzania, Rwanda, Burundi, South Sudan, Ethiopia, Somalia, and the DRC.

What purity and grade specifications are available for this chemical?

Purity and grade can vary depending on application requirements; please confirm with the supplier and request the certificate of analysis.

Is Ferrous Sulphate Heptahydrate food grade?

Ferrous Sulphate Heptahydrate for food or pharmaceutical use requires specific certifications; typically, Zenco Systems Ltd supplies industrial grades for water treatment and manufacturing.