Flavor ingredient regulatory record
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is a natural complex flavoring material in the savory family, FEMA GRAS under FEMA number 5000 (CAS 7447-40-7). Its odor is salty, mineral, briny, earthy.
- FEMA
- 5000
- CAS
- 7447-40-7
- EC
- 231-211-8
GRAS status: FEMA GRAS. Source: FEMA Flavor Ingredient Library.
Structure
Material
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is a natural complex material rather than a single molecule, so it has no one structure. FEMA lists it as Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium.
Identity
Also known as: Potassium chloride (KCl), Potassium chloride, Potassium monochloride, Enseal, Chloropotassuril, Kalitabs, Potavescent, Rekawan, Klotrix, Kaon-Cl, Slow K, Super K (salt).
Can Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium be labeled natural?
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium occurs in nature, so the label depends on the route: Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium won from a natural source by a physical, enzymatic or microbiological process is natural flavor in the United States, and synthesized Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is artificial. The EU and UK follow the same logic without a middle class; Mercosur and Mexico label synthetic Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium identical-to-natural.
- United States
- Natural or artificial, by process
- European Union and UK
- Natural only from natural material
- Mercosur and Mexico
- Natural or identical-to-natural
How each market defines the classes: natural vs artificial flavor under 21 CFR 101.22.
Regulatory status, with citations
United States
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is FEMA GRAS under FEMA number 5000. It is cited in the Code of Federal Regulations at 21 CFR 172.515.
European Union and United Kingdom
No EU FL number is on file for Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium. That is not a finding either way. The Union List covers defined flavouring substances, so natural complex materials are handled as flavouring preparations under Parts B to F and never receive a number, and substances used as additives sit under Regulation 1333/2008 instead. Confirm the position before EU or UK use.
JECFA (WHO / FAO)
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium has not been evaluated by JECFA as a flavouring agent, or no evaluation is on file.
Other US flags
Not on the California Proposition 65 list.
TSCA Inventory status
A flavor ingredient is also an industrial chemical. Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium appears on the EPA Toxic Substances Control Act Chemical Substance Inventory under CAS 7447-40-7, where EPA names it Potassium chloride (KCl).
Active in US commerce
EPA designates this substance active, so no Notice of Activity Form B is required before manufacturing. What active and inactive mean.
EPA publishes no regulatory flags on this listing. What the flags mean.
From the EPA non-confidential TSCA Inventory, July 2026 release. EPA also maintains a confidential portion it does not publish. Search the Inventory by CAS number.
Odor and taste
Odor: Salty, mineral, briny, earthy.
Taste: Salty, umami, mineral.
Where it is used
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is used in seasoning, snack foods, soups and marinades, typically as a savory note.
More salts in this index
Prepared Mixture of Potassium Chloride, Magnesium Sulfate and Calcium Lactate
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium FAQ
Is Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium on the FEMA GRAS list?
It is. FEMA number 5000 covers Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium. It is also codified at 21 CFR 172.515.
What is the FEMA number for Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium?
The FEMA number for Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is 5000 and its CAS registry number is 7447-40-7. FEMA files it in the savory flavor category.
Is Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium natural or artificial?
Since Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is found in nature, US labeling follows how it was obtained: natural flavor from a natural source and a natural process, artificial when Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is synthesized. The EU and UK follow the same logic without a middle class; Mercosur and Mexico label synthetic Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium identical-to-natural.
What is Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium used for?
Prepared Mixture of Chloride Salts of Potassium, Magnesium and Calcium is described as salty, mineral, briny, earthy. On the palate it is salty, umami, mineral. It shows up in seasoning, snack foods, soups and marinades.
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Guides: What Is FEMA GRAS? · Natural vs artificial · Filing a GRAS notification
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Sources and attribution. The FEMA number and GRAS status on this page name a conclusion reached by the Expert Panel of the Flavor and Extract Manufacturers Association of the United States. FDA does not list this substance by FEMA number in its Substances Added to Food inventory. Its identity is attested by FDA Substances Added to Food, EPA TSCA Chemical Substance Inventory, matched on CAS 7447-40-7.
FEMA publishes its own entry for this substance in the FEMA Flavor Library, which is the authoritative record and is worth reading alongside this page.
Ambrose Compliance is not affiliated with, endorsed by, or sponsored by FEMA. FEMA and FEMA GRAS are used here as identifiers for a published regulatory determination, not as marks of any relationship between FEMA and Ambrose.
About this page. Facts come from the FDA Substances Added to Food inventory, the Code of Federal Regulations, the EPA TSCA Inventory, the EU Union List, JECFA and the Ambrose database, with FEMA's published determination cited where it applies; parts of the text are written by Ambrose AI, which can make mistakes. Check the cited source before relying on anything here. This is not regulatory or legal advice.