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Ferrous Sulphide Extra Pure
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Ferrous Sulphate heptahydrate 99% Extra Pure

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SHORT DESCRIPTION

Ferrous Sulphate Heptahydrate 99% Extra Pure is a high-purity laboratory-grade chemical commonly used as a reliable source of ferrous ions (Fe²⁺) in analytical chemistry and educational experiments. With its vivid blue-green crystalline appearance, this compound plays a crucial role in redox reactions, qualitative analysis, and titration procedures. It is frequently utilized in the preparation of iron standards, as a reducing agent, and in experiments that demonstrate oxidation-reduction principles. Due to its high level of purity, it is well-suited for controlled laboratory environments where consistent and accurate results are essential. Proper storage in a cool, dry place is recommended, as the compound is prone to oxidation and moisture sensitivity.

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Description

USES

Primary Laboratory Uses:

  1. Source of Fe²⁺ ions:
     Commonly used in analytical and inorganic chemistry experiments where ferrous (iron(II)) ions are required.

  2. Reagent in redox titrations:
     Acts as a reducing agent in permanganate and dichromate titrations for standardization or analysis of oxidizers.

  3. Precipitation reactions and qualitative analysis:
     Helps in identification and separation of anions and cations by forming precipitates with other compounds.

  4. Preparation of iron compounds:
     Used to synthesize other iron-based salts and coordination complexes in lab research.

Secondary Laboratory Uses:

  1. Demonstrations of oxidation states and color changes:
     Useful in teaching redox chemistry as Fe²⁺ readily oxidizes to Fe³⁺, showing distinct color changes.

  2. Nutrient in plant physiology experiments:
     Serves as an iron supplement in hydroponic and soil studies investigating micronutrient deficiencies.

  3. Simulated wastewater treatment studies:
     Applied in lab-scale research to evaluate the role of ferrous ions in phosphate removal or heavy metal precipitation.

  4. Corrosion experiments:
     Used to investigate rusting and oxidation of iron, especially in controlled electrochemical studies.
KEY PRODUCT FEATURES

KEY ATTRIBUTES

1. Basic Identification Attributes

  • Chemical Name: Ferrous Sulphate Heptahydrate

  • Synonyms: Iron(II) sulfate heptahydrate, Green vitriol, Copperas

  • Chemical Formula: FeSO₄·7H₂O

  • Molecular Weight: 278.01 g/mol

  • Grade: Extra Pure (Laboratory Reagent Grade, 99%)

  • Appearance: Blue-green crystalline solid

  • Odor: Odorless

2. Physical & Chemical Properties

  • Solubility: Soluble in water

  • Melting Point: Decomposes before melting (~64°C loses water)

  • pH (5% solution): ~3.0–4.0

  • Hygroscopic: Yes

  • Stability: Stable under recommended storage; oxidizes slowly in air to form brown iron(III) compounds

3. Safety & Hazard Attributes

  • GHS Classification:

    • Harmful if swallowed (Acute toxicity Category 4)

    • Causes eye irritation (Category 2A)

    • May cause respiratory irritation (STOT SE Category 3)

  • Hazard Statements:

    • H302: Harmful if swallowed

    • H319: Causes serious eye irritation

    • H335: May cause respiratory irritation

  • PPE Requirements:

    • Gloves

    • Safety goggles

    • Lab coat

    • Dust mask (if powder is airborne)

  • First Aid Measures:

    • Inhalation: Move to fresh air; seek medical attention if symptoms persist

    • Skin Contact: Rinse with water and soap

    • Eye Contact: Flush thoroughly with water for 15 minutes

    • Ingestion: Rinse mouth, do not induce vomiting; consult physician immediately

4. Storage & Handling Attributes

  • Storage Conditions:

    • Store in cool, dry place in tightly sealed container

    • Protect from light and air exposure

    • Avoid exposure to moisture

  • Handling Notes:

    • Minimize dust generation

    • Avoid breathing dust

    • Wash hands thoroughly after use

5. Regulatory & Compliance Attributes

  • CAS Number: 7782-63-0

  • EC Number: 231-753-5

  • UN Number: Not classified as hazardous for transport

  • Hazard Class: Not applicable

  • Packaging Group: Not applicable

6. Laboratory Applications

  • Primary Uses:

    • Reagent in redox titrations and analytical chemistry

    • Source of ferrous ion in chemical synthesis

    • Demonstrating oxidation and crystal growth in experiments

  • Secondary Uses:

    • Nutrient in plant and algae growth media

    • Catalyst in Fenton’s reagent for oxidation studies

    • Educational demonstration of iron salt reactions

 

SAFETY HANDLING PRECAUTIONS

SAFETY MEASURES

SAFETY & HANDLING

  • Irritant – may cause eye, skin, or respiratory irritation

  • Can stain skin and surfaces

  • Avoid contact with oxidizing agents and moisture

Storage:

  • Store in a cool, dry place, in air-tight containers

  • Keep away from light, air, and acids to avoid oxidation

FIRST AID MEASURES

  • Inhalation: Move to fresh air; seek attention if irritation persists

  • Skin Contact: Wash off thoroughly with soap and water

  • Eye Contact: Rinse eyes for several minutes; consult physician if needed

  • Ingestion: Rinse mouth; do not induce vomiting; seek medical help

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