Ferric ammonium citrate
1185-57-5 · 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium iron(3+) salt · 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium iron(3+) salt (1:?:?) · 2-HYDROXY-1,2,3-PROPANETRICARBOXYLIC ACID AMMONIUM IRON (3+) SALT · Ammonii ferri citras · Ammonium ferric citrate · Ammonium iron(3+) 2-hydroxy-1,2,3-propanetricarboxylate · Ammonium iron(3+) citrate · Ammonium iron(III) citrate · Citric acid, ammonium iron salt, green · Citric acid, ammonium iron(3+) salt · Ferri Seltz · Ferri-ammoniumcitrat, braunes · Ferric ammonium citrate · FERRIC AMMONIUM CITRATE (USP) · FERRIC AMMONIUM CITRATE CONTAINS NOT LESS THAN 16.5 PERCENT AND NOT MORE THAN 18.5 PERCENT OF IRON · Ferric Ammonium Citrate, Brown · Ferric ammonium citrate, green · Ferriseltz · Ferrum citricum ammoniatum fuscum · HSDB 446 · Ins no.381 · Ins-381 · Iron ammonium citrate · Iron ammonium citrate, green · iron(3+) 2-hydroxypropane-1,2,3-tricarboxylic acid amine · UVP74NG1C5 · E381 · 381 · iron(3+) 2-hydroxypropane-1,2,3-tricarboxylate ammoniate · Ferric ammonium citrateINS 381CAS 1185-57-5
Used as an anticaking agent.
Ferric ammonium citrate is an iron fortificant and an anticaking agent for salt.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| United States | Permitted | 21 CFR 184.1296retrieved 2026-09-07 | |
| Codex Alimentarius | Permitted, with conditions | 1 food category highest permitted level 10 mg/kg | CXS 192-1995 Table One, INS 381, food category 14.1.4.3retrieved 2026-09-07 |
What it is made from
Made by dissolving ferric hydroxide in citric acid and neutralising with ammonia.
- Vegan
- Vegetarian
- CAS registry number
- 1185-57-5
- InChIKey
- FRHBOQMZUOWXQL-UHFFFAOYSA-N
- PubChem
- CID 118984355
Every name it appears under
31 recorded names. A label may use any of them.
E number
- E381
INS number
- 381
CAS registry number
- 1185-57-5
As it appears in regulation
- Ferric ammonium citrate
Other names
- 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium iron(3+) salt
- 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium iron(3+) salt (1:?:?)
- 2-HYDROXY-1,2,3-PROPANETRICARBOXYLIC ACID AMMONIUM IRON (3+) SALT
- Ammonii ferri citras
- Ammonium ferric citrate
- Ammonium iron(3+) 2-hydroxy-1,2,3-propanetricarboxylate
- Ammonium iron(3+) citrate
- Ammonium iron(III) citrate
- Citric acid, ammonium iron salt, green
- Citric acid, ammonium iron(3+) salt
- Ferri Seltz
- Ferri-ammoniumcitrat, braunes
- Ferric ammonium citrate
- FERRIC AMMONIUM CITRATE (USP)
- FERRIC AMMONIUM CITRATE CONTAINS NOT LESS THAN 16.5 PERCENT AND NOT MORE THAN 18.5 PERCENT OF IRON
- Ferric Ammonium Citrate, Brown
- Ferric ammonium citrate, green
- Ferriseltz
- Ferrum citricum ammoniatum fuscum
- HSDB 446
- Ins no.381
- Ins-381
- Iron ammonium citrate
- Iron ammonium citrate, green
- iron(3+) 2-hydroxypropane-1,2,3-tricarboxylic acid amine
- UVP74NG1C5
Systematic names
- iron(3+) 2-hydroxypropane-1,2,3-tricarboxylate ammoniate
Hazard reference values
No reference value for this substance in the sources we hold.
Evidence and how bodies read it
Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.
Sources for this page
- ecfr retrieved 2026-09-07
- gsfa retrieved 2026-09-07
Full licence terms and publisher details on Sources. How this page is built and updated: Method.
Machine-readable:/api/v1/additives/ferric-ammonium-citrate.json