Iron Phosphate

CAS NO. 51833-68-2

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Inorganic Salt Metal Phosphate Hydrated Forms Iron Fortificant Food Additive Mineral Supplement Fertilizer API Intermediate Coating Chemical

Product Description

Applications

Parameter	Standard Specification
Product Name	Ferric Orthophosphate (Iron(III) Phosphate)
Synonyms	Iron(3+) Phosphate; Ferric Phosphate; Iron Orthophosphate; FePO₄
CAS Number	51833-68-2
Molecular Formula	FeO₄P
Molecular Weight	150.82 g/mol
Appearance	White to light yellow powder
Iron (Fe) Assay	26.0 – 32.0%
Loss on Ignition (800°C, 1h)	≤ 32.5%
Fluoride Content	≤ 0.005%
Lead (Pb)	≤ 4 mg/kg
Arsenic (As)	≤ 3 mg/kg
Mercury (Hg)	≤ 3 mg/kg
Reference Standard	Conforms to Food Chemicals Codex (FCC V) specifications
Standard Packaging	25 kg/drum
Typical Application	Food and feed additive (iron source)

✓ Conformed with the requirements of FCC V standard.

Specifications shown are typical values. Current Certificate of Analysis and Safety Data Sheet are available on request and take precedence over this page.

Industrial Applications of Ferric Orthophosphate (CAS 51833-68-2)

Ferric Orthophosphate (also known as Iron(III) Phosphate, Iron(3+) Phosphate, or FePO₄, CAS 51833-68-2) is an inorganic iron-phosphorus compound with a class of use that has been established across several industries for many decades. The application areas below are provided as non-exhaustive industry references. End users remain responsible for confirming regulatory suitability and qualification testing for their specific formulations.

• Food Fortification Ingredient

Historically used as an iron source in packaged foods and dietary supplements. Offers color and taste neutrality in finished products. Material supplied by Nexal conforms to FCC V specifications; end users independently verify compliance with applicable FDA food-additive and CGMP requirements for their formulations.

End Products: Breakfast cereals, enriched flour, pasta, bread, dietary supplement tablets

• Slug & Snail Bait Active Ingredient

The use of iron phosphate as the active ingredient in slug and snail baits has been established in the organic-agriculture industry for several decades and is referenced on the USDA National Organic Program materials list. Finished-bait formulators are responsible for obtaining applicable EPA pesticide product registrations for their commercial products.

End Products: Slug and snail bait pellets, garden-use molluscicide formulations

• Ceramic Glazes & Pigmentation

Ferric phosphate has long been used in ceramic glazes as a colorant and flux, producing characteristic reddish-brown pigmentation on firing. A classical workshop raw material in both tile production and studio pottery.

End Products: Ceramic tile glazes, decorative pottery finishes, glass colorants

• Phosphate Conversion Coatings

A historical chemistry used in iron phosphate conversion coatings for pre-paint treatment of steel and other ferrous substrates, supporting paint adhesion. Finished conversion-coating bath design and optimization is carried out by coating-line formulators.

End Products: Metal pretreatment baths, industrial primer systems, general-purpose protective finishes

• Industrial & Municipal Water Treatment

Iron-phosphate-based chemistries appear in a range of industrial and municipal water-treatment unit operations. Selection of product grade, purity, and dosing is determined by the treatment-plant engineer in accordance with applicable local regulations and certifications.

End Products: Industrial-water conditioning formulations, municipal wastewater treatment chemistries

Supply & Logistics: Nexal Inc. maintains Ferric Orthophosphate (CAS 51833-68-2) in 25 kg drums. Current Certificate of Analysis and Safety Data Sheet are available on request and take precedence over any general information presented on this page.