INTRODUCTION
Ferric Ammonium Citrate (FAC) is a mixture of indefinite composition that contains ferric and ammonium cations and citrate(3−) anions.
It may be obtained as red crystals or a brownish yellow powder or as green crystals or powder. Distinguishing feature of this compound is that it is very soluble in water, in contrast to ferric citrate which is not very soluble.
| Synonyms | Ammonium ferric citrate Iron(III) ammonium citrate |
| CAS no. | 1185-57-5 |
| EINECS no. | 214-686-6 |
| Molecular formula | Variable (Complex Salt) |
| Molecular weight | Variable (Complex Salt) |
| Structure |  |
APPLICATIONS
FAC has a wide range of applications and therapeutic uses, including:
| As a food ingredient, it has an INS number 381, and is used as an acidity regulator. |
| As a nutritional supplement. |
| As a hematinic that tends to stimulate blood cell formation or to increase the hemoglobin in the blood. |
| Source of iron in treating iron-deficiency anemia. It is less constipating than inorg forms of iron. It is free from astringent & irritant properties. |
| As a reducing agent of metal salts of low activity like gold and silver. |
| In medical imaging, it is used as a contrast medium. |
| With potassium ferricyanide as part of the cyanotype photographic process. |
| Used in Kligler iron deeps to determine hydrogen sulfide production in microbial metabolism. |
| Inks & Digital Inks. |
| Water purification & Pool chemicals. |
| Finishing & Flux. |
SPECIFICATIONS – reference BP
| Test | Unit | Specification |
|---|---|---|
| Description | – | Thin, transparent, dark red scales or granules or brownish red powder, odorless; deliquescent in moist air and is affected by light |
| Solubility (at 20⁰C) | – | Soluble in 0.5% part of water. Almost insoluble in 95% ethanol |
| Identification | – | Should be positive for Iron, Ammonia and Citrates as per BP |
| Arsenic | ppm | Max 4 |
| Lead (Pb) | ppm | Max 30 |
| Zinc (Zn) | – | Sample should be less turbid than standard |
| Sulphate | % | NMT 0.3 |
| Assay (as Fe) as such basis | % w/w | 20.5 – 22.5 |
– Spray dried homogeneous powder & granules
STORAGE
Keep well closed, protected against light, dry and at room temperature.
ExSyn offers this product on commercial scale and welcomes inquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please get in touch with us.
Adenosine is a naturally occurring purine nucleoside composed of adenine and ribose, present in all living cells. It plays a vital role in biochemical processes such as energy transfer (ATP/ADP), signal transduction, and regulation of physiological functions, and is widely used in pharmaceutical applications.
Methyl-2-Methoxy-5-Sulfamoyl Benzoate (MSMB) is a sulfur containing organic building block acting as a chemical intermediate. MSMB contains ester and sulfamoyl functional groups, which make it useful as a pharmaceutical and fine-chemical intermediate.
Imidazolidinyl urea is a widely used antimicrobial preservative in the cosmetic and personal care industry. It is a formaldehyde-releasing compound that effectively inhibits the growth of bacteria, yeast, and molds, thereby extending the shelf life of formulations. Due to its broad-spectrum efficacy and cost-effectiveness, it is commonly used in rinse-off and leave-on products within regulated concentration limits.
Phosphorodiamidites are a unique class of phosphorus-based compounds characterized by one P–O bond and two P–N moieties. 2-Cyanoethyl tetraisopropylphosphorodiamidite plays a crucial role in solid-phase oligonucleotide synthesis. Beyond their application as synthetic precursors for oligonucleotides, phosphorodiamidites have also been reported as valuable starting materials for the synthesis of industrially relevant polymers and flame-resistant materials, including adhesives, coatings, and laminates.
Ferric maltol is an oral iron complex composed of ferric iron (Fe³⁺) chelated with maltol, designed to improve iron absorption while reducing common gastrointestinal side effects associated with traditional iron salts. It is primarily used in the management of iron deficiency with better tolerability.
Phosphatidylcholine (PC) is one of the most important phospholipids derived from soya lecithin and represents a key structural component of cell membranes. Phosphatidylcholine 90% refers to a highly purified grade where the PC content is enriched to around 90% through specialized extraction and purification steps.
Indorez® Kota Resin is a modified non self-cured phenolic resin, it can increase rubber adhesion to steel, polyester, rayon, nylon, aramid and other fabric cord. It’s an adhesive agent, acts as methylene acceptor, can 100% replace resorcinol and resorcinol resins in resorcinol- formaldehyde-silica, enhance adhesion between rubber and reinforcing materials.
Glyceryl Stearate Citrate (GSC) is a plant-derived, biodegradable emulsifier commonly used in cosmetics and personal-care products. It functions primarily as an anionic oil-in-water (O/W) emulsifier, helping blend oils and water into smooth, stable creams and lotions. Its natural origin and gentle profile make it popular in eco-certified, organic, and sensitive-skin formulations.
DL-Serine is a racemic mixture of both the D- and L-forms of the amino acid serine, which is a polar, nonessential amino acid. It is an α-amino acid characterized by its hydroxyl-containing side chain, which enables it to take part in numerous biochemical reactions and synthetic processes. It functions as a pivotal intermediate in the biosynthesis of amino acids, including glycine and cysteine, underscoring its essential role in cellular metabolism. Moreover, it constitutes a critical pharmaceutical intermediate for the synthesis of a broad spectrum of therapeutic agents and drug candidates.