The question of whether ferric phosphate (FePO4) is a highly oxidizable and moisture-sensitive chemical can be analyzed based on its chemical properties and storage requirements.

I. Chemical Properties  

Ferric phosphate, also known as iron(III) phosphate, is an inorganic compound with the chemical formula FePO4. It is typically a white or light red crystalline powder, soluble in hydrochloric acid and sulfuric acid, but insoluble in cold water and nitric acid. Ferric phosphate mainly exists in three forms: ferric phosphate (FePO4), iron(III) metaphosphate (Fe(PO3)3), and iron(III) pyrophosphate (Fe4(P2O7)3). It has good rust-resistant properties, redox activity, and film-forming ability.

II. Oxidizing Properties  

Ferric phosphate is a relatively stable compound and does not easily oxidize under normal storage and usage conditions. However, if ferric phosphate is exposed to air for extended periods or comes into contact with oxygen, acids, oxidizing agents, or other reactive substances, its properties may change, potentially leading to fire or explosion risks. Therefore, it is essential to avoid direct contact with such substances during storage and use to ensure safety.

III. Moisture Sensitivity  

Ferric phosphate does not absorb large amounts of moisture under normal conditions but is prone to local moisture absorption in humid environments. If ferric phosphate becomes moist, its properties may be affected, and its effectiveness may be reduced. Therefore, it is necessary to take proper moisture control measures during storage and transportation to ensure its dryness and stability.

IV. Storage Requirements  

To maintain the quality and stability of ferric phosphate, the following storage requirements should be observed:  

·Cool and Dry: It should be stored in a cool, dry environment, avoiding direct sunlight and high temperatures.  

·Good Ventilation: The storage area should be well-ventilated to prevent moisture buildup and mold growth.  

·Avoid Contact: Ferric phosphate should be kept away from oxygen, acids, oxidizing agents, and other reactive substances to prevent property changes.  

·Regular Inspection: The stored ferric phosphate should be inspected periodically to ensure it remains dry, free from clumping, and unspoiled.

Ferric phosphate is not a highly oxidizable or moisture-sensitive chemical, but it is still important to avoid contact with oxygen, acids, oxidizing agents, and to implement necessary moisture control measures during storage and use to ensure its stability and effectiveness.