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We can only ship non-hazardous products to Rest of World

Ferric Ammonium Citrate, Green Powder

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Price: £10.95

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Stock Availability

On Shelf - Approx. UK delivery date: Friday the 20th February 2026*

In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)

4 to 6 weeks approx. (Not guaranteed)

UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland, Jersey and Guernsey.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

Applications

Food additive
Contrast medium
Lab reagent
Cyanotype printing
Reducing agent of metal salts

General

What is Ferric Ammonium Citrate, Green Powder? It is a green water-soluble powder or liquid with a variable composition, used in applications like food additives (E381), photography (cyanotype), and as in medicine and agriculture. It can be prepared from ferric hydroxide, citric acid, and ammonia. While it is used as a source of iron and can have some antiviral effects in research, its side effects can include gastrointestinal issues, a metallic taste, and darkened stools.

Consistent Quality: We provide only high-quality Ferric Ammonium Citrate, Green Powder, ensuring reliable performance in all applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and maintain product quality during transport.

Frequent Uses

Food and Drink
Used as a food additive (E381) as an acidity regulator, and is an ingredient in some soft drinks like Irn-Bru.

Medical
Employed as a contrast medium for imaging techniques.

Chemical Reagent
Serves as a reagent and iron precursor in various organic reactions and nanomaterial preparation.

Specification

Chemical Information

Molecular Weight: approx. 261.98
Molecular Formula: C6H8FeNO7
Solubility: Soluble in water
Storage: Away from light & moist air
Appearance: Dark green granules or powder. It may deliquesce in air and is affected by light

Specification

Description: Thin, transparent green scales, as granules, as a powder, or as
transparent green crystals. It may deliquesce in air and is affected by
light.
Elemental Content: 14.5 - 16% as Fe
Pb (ICP-OES): Max 2 ppm
Hg (ICP-OES): Max 1 ppm
Sulphate (SO4): Max 0.3%
Ferric Citrate: No blue precipitate forms
Oxalate: No turbidity develops within 5 min