Ammonium iron(III) oxalate trihydrate (CAS 13268-42-3)

Ammonium iron(III) oxalate trihydrate (CAS 13268-42-3), commonly known as Ferric Ammonium Oxalate (CAS 13268-42-3), is a distinct green crystalline solid widely used in industrial and chemical applications. With the molecular formula (NH₄)₃Fe(C₂O₄)₃·3H₂O, this compound is characterized by its high solubility in water and photosensitive properties. Supplied by AECOCHEM, this high-purity reagent serves as a critical component in photography, electroplating, and the synthesis of advanced magnetic materials.

Key Advantages and Applications

Ammonium iron(III) oxalate trihydrate (CAS 13268-42-3) offers a unique combination of chemical reactivity and physical stability, making it essential for several high-tech sectors.

Photographic and Printing Agent

• Blueprint Production: It is a primary ingredient in the production of blueprint paper (cyanotypes), utilizing its light-sensitive properties to create high-contrast images.
• Photography: Acts as a key component in photographic emulsions and toning processes.

Precursor for Iron Oxides

• Material Synthesis: Serves as an excellent precursor for the preparation of high-quality iron oxide pigments and magnetic materials.
• Thin Films: Specifically used in the preparation of Langmuir-Blodgett magnetic thin films for advanced electronic applications.

Highly Soluble and Pure

• Solubility: Very soluble in water, allowing for easy integration into aqueous solutions for various chemical processes.
• Purity: AECOCHEM supplies material with an assay of 99.0% min and low insoluble sludge (0.025% max), ensuring consistent reaction results.

Functional Material Synthesis

• Organic Synthesis: Used as a catalyst or reagent in organic chemical reactions.
• Electroplating: Plays a vital role in the electroplating industry for depositing uniform metal coatings.

Analytical Chemistry and Industry

• Precipitation Agent: Effectively used as a precipitant for calcium and magnesium in analytical procedures.
• Chemical Reagent: A reliable standard for laboratory testing and industrial quality control.

Technical Specifications

Safety Profile and Storage

Proper handling of Ammonium iron(III) oxalate trihydrate (CAS 13268-42-3) is essential to maintain product integrity and safety.

• Light Sensitivity: The compound is light-sensitive and should be stored in opaque, tightly sealed containers to prevent degradation.
• Storage Conditions: Keep in a cool, dry, and well-ventilated area. Protect from moisture as the substance is hygroscopic.
• Fire Safety: While stable, standard fire guard protocols should be observed during storage.

FAQ

Below are answers to common questions regarding the handling, storage, and properties of Ammonium iron(III) oxalate trihydrate, ensuring safe and effective use in your industrial processes.

What safety and operational precautions should be observed?

When handling Ammonium iron(III) oxalate trihydrate (CAS 13268-42-3), strict operational protocols are necessary to maintain safety and product quality.

• Protective Equipment: Always wear appropriate personal protective equipment (PPE), including chemical safety goggles and gloves, to prevent direct contact with skin and eyes.
• Ventilation: Ensure the working area is well-ventilated to avoid inhaling dust particles generated during the handling of the crystalline powder.
• Hygiene: Wash hands thoroughly after handling the substance, and avoid eating or drinking in the immediate work area.

How to Storage?

Proper storage is critical to maintaining the chemical stability of Ferric Ammonium Oxalate.

• Environment: Store in a cool, dry, and well-ventilated area away from direct sunlight and heat sources.
• Container Integrity: Keep the container tightly sealed when not in use to prevent contamination and moisture absorption.
• Segregation: Store away from strong oxidizing agents and incompatible materials to prevent hazardous reactions.

Is it light-sensitive?

Yes, Ammonium iron(III) oxalate trihydrate (CAS 13268-42-3) is highly light-sensitive.

• Photochemical Reaction: As a key component in blueprint paper and photography, it reacts to light by reducing iron(III) to iron(II). Exposure to light during storage will degrade the product's quality and effectiveness.
• Packaging: It must be stored in opaque containers or dark environments to preserve its chemical structure.

What are the safety risks?

While stable under normal conditions, there are specific safety risks associated with this compound.

• Irritation: The substance can cause irritation to the skin, eyes, and respiratory tract upon contact or inhalation.
• Toxicity: Like many oxalates, it can be harmful if swallowed. It acts as a chelating agent and can affect calcium metabolism in the body.
• Dust Explosion Hazard: Fine dust dispersed in air in sufficient concentrations can pose a dust explosion hazard under specific conditions.

What is the decomposition point?

Understanding the thermal properties is important for processing and safety.

• Melting/Decomposition: Ammonium iron(III) oxalate trihydrate (CAS 13268-42-3) has a melting point of approximately 161°C (rough estimate). At this temperature, the compound begins to decompose rather than simply melting.
• Thermal Breakdown: Heating beyond this point releases toxic fumes, including carbon oxides and nitrogen oxides, requiring appropriate thermal safety controls.

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