1-(Heptafluorobutyryl)imidazole, 97%

Product Introduction

Ammonium Iron(II) Sulfate Hexahydrate (Mohr’s Salt, CAS No. 32477-35-3) is a stable ferrous iron salt widely used as a reducing agent, analytical reagent, and iron source in chemical and biochemical research.

Compared with many other iron(II) salts, Mohr’s salt exhibits improved stability against oxidation due to the presence of ammonium sulfate, making it a preferred reagent for preparing reliable ferrous ion solutions.

It is extensively applied in analytical chemistry, redox titration, environmental analysis, electrochemistry, and laboratory iron-related studies.

Mechanism / Principle

Ferrous Ion Redox Activity

Ammonium Iron(II) Sulfate Hexahydrate provides Fe²⁺ ions that participate in oxidation–reduction reactions.

Working principle:

1. The compound dissolves in water to release Fe²⁺ ions.
2. Fe²⁺ acts as an electron donor in redox reactions.
3. Fe²⁺ can be oxidized to Fe³⁺ while reducing other oxidizing species.
4. The stable ferrous ion source enables quantitative analytical measurements.

Key features:

• Stable Fe²⁺ source
• Reliable reducing capability
• Suitable for redox chemistry
• Supports quantitative analysis

Key Research Applications

1. Analytical Chemistry and Redox Titration

Mohr’s salt is widely used as a standard ferrous reagent.

Applications include:

• Permanganate titration
• Dichromate titration
• Oxidation–reduction analysis
• Standard solution preparation

2. Iron Quantification and Chemical Analysis

Used as an iron source for analytical measurements.

Applications include:

• Fe²⁺ concentration determination
• Water and environmental analysis
• Chemical quality control
• Metal ion studies

3. Redox Chemistry Research

Mohr’s salt serves as a convenient reducing reagent.

Applications include:

• Electron transfer studies
• Oxidation–reduction reaction research
• Inorganic synthesis
• Coordination chemistry

4. Electrochemistry Research

Used in iron-based electrochemical investigations.

Applications include:

• Iron redox couple studies
• Electrochemical reaction analysis
• Energy storage research
• Electrode material evaluation

5. Biochemical and Environmental Research

Ferrous ammonium sulfate is used in biological and environmental experiments.

Applications include:

• Fenton reaction studies
• Oxidative stress research
• Iron chemistry investigations
• Environmental pollutant analysis

Advantages

• High stability compared with many Fe²⁺ salts
• Reliable ferrous ion source
• Suitable for analytical applications
• Excellent redox reagent
• Widely used in laboratory chemistry
• Easy preparation of standard solutions

Storage & Handling

• Store in a cool place.
• Keep container tightly closed in a dry and well-ventilated place.
• Containers which are opened must be carefully resealed and kept upright to prevent leakage.
• Air sensitive.
• Handle under inert gas.
• Protect from moisture.
• Recommended storage temperature:-20"C

Research Areas

Researchers working in the following fields may benefit from Ammonium Iron(II) Sulfate Hexahydrate:

• Analytical chemistry
• Inorganic chemistry
• Electrochemistry
• Environmental chemistry
• Redox chemistry
• Materials science
• Biochemical research

Q1: What is Ammonium Iron(II) Sulfate Hexahydrate?

A: Ammonium Iron(II) Sulfate Hexahydrate (CAS No. 32477-35-3), also known as Mohr’s salt, is a stable Fe²⁺ salt commonly used as a reducing agent and analytical reagent.

Q2: What is Mohr’s salt used for?

A: It is mainly used for:

• Redox titration
• Iron analysis
• Preparation of Fe²⁺ standard solutions
• Oxidation–reduction studies

Q3: Why is Mohr’s salt more stable than ferrous sulfate?

A: The ammonium sulfate component helps stabilize Fe²⁺ ions and reduces oxidation to Fe³⁺ under normal storage conditions.

Q4: What is the oxidation state of iron in Mohr’s salt?

A: Iron exists as Fe²⁺ (iron(II)) in Ammonium Iron(II) Sulfate Hexahydrate.

Q5: Can Mohr’s salt be used as a reducing agent?

A: Yes. Fe²⁺ ions readily donate electrons and are commonly used in redox reactions.

Q6: What is the difference between Mohr’s salt and ferric ammonium sulfate?

A: Mohr’s salt contains Fe²⁺, while ferric ammonium sulfate contains Fe³⁺. They have different oxidation properties and applications.

Q7: How should Mohr’s salt be stored?

A: Store sealed in a dry environment and minimize exposure to air and moisture.

Q8: What are alternatives to Mohr’s salt?

A: Common alternatives include:

• Ferrous sulfate heptahydrate
• Iron(II) chloride
• Iron(II) oxalate
• Sodium dithionite