Classification
Product TypeIngredient
Product FormPowder / Granules (Food-Grade Inorganic Salt)
Industry PositionFood Additive (Acidity Regulator / Stabilizer)
Market
Potassium carbonate is a globally traded inorganic food additive (INS 501(i)) used primarily for acidity regulation and stabilization, with permissions and use conditions referenced in the Codex GSFA. International trade commonly maps to HS 283640 ("potassium carbonates"), where 2023 UN Comtrade-derived data show major export supply coming from Korea, Germany, France, Italy, China, and the United States. On the demand side, India is a leading importer by value in 2023, alongside large import demand in the United States, Japan, and major EU economies. Because it is an industrially manufactured salt rather than a crop-derived commodity, supply is non-seasonal and market dynamics hinge on industrial capacity, food-grade compliance (JECFA/FCC), and trade logistics rather than harvest calendars.
Market GrowthNot Mentioned
Major Producing Countries- South KoreaLargest exporter by value for HS 283640 (potassium carbonates) in 2023 (proxy for major production/processing footprint).
- GermanyTop exporter by value for HS 283640 in 2023 among individual EU member states.
- FranceTop exporter by value for HS 283640 in 2023.
- ItalyTop exporter by value for HS 283640 in 2023.
- ChinaSignificant exporter by value for HS 283640 in 2023.
- United StatesSignificant exporter by value for HS 283640 in 2023.
Major Exporting Countries- South KoreaTop exporter by value for HS 283640 (potassium carbonates) in 2023.
- GermanyMajor exporter by value for HS 283640 in 2023.
- FranceMajor exporter by value for HS 283640 in 2023.
- ItalyMajor exporter by value for HS 283640 in 2023.
- ChinaMajor exporter by value for HS 283640 in 2023.
- United StatesMajor exporter by value for HS 283640 in 2023.
Major Importing Countries- IndiaTop importer by value for HS 283640 (potassium carbonates) in 2023.
- United StatesMajor importer by value for HS 283640 in 2023.
- JapanMajor importer by value for HS 283640 in 2023.
- GermanyMajor importer by value for HS 283640 in 2023.
- FranceMajor importer by value for HS 283640 in 2023.
- TurkiyeMajor importer by value for HS 283640 in 2023.
- SpainMajor importer by value for HS 283640 in 2023.
Specification
Physical Attributes- Chemical formula: K2CO3 (potassium salt of carbonic acid).
- White, hygroscopic/deliquescent solid; readily soluble in water and forms a strongly alkaline solution.
Compositional Metrics- Food-grade procurement commonly references identity and purity conformance to JECFA specifications and/or Food Chemicals Codex (FCC) monographs (e.g., assay/purity and impurity limits), rather than agricultural grade descriptors.
Grades- Food-grade potassium carbonate: specification conformance referenced to FCC and/or JECFA monographs (buyer and regulator dependent).
- Technical/industrial grade potassium carbonate: not intended for direct food use without food-grade specification conformity.
ProcessingUsed as an alkaline pH-control ingredient (acidity regulator) and stabilizer under Codex GSFA provisions (INS 501(i)).
Supply Chain
Value Chain- Industrial manufacture (via potassium hydroxide/carbon dioxide routes) -> purification to food-grade specification -> quality documentation (e.g., FCC/JECFA references, CoA) -> packaging -> distributor/industrial users -> food manufacturing use under GMP/quantum satis conditions where permitted.
Demand Drivers- Regulatory-permitted functional use as an acidity regulator and stabilizer (Codex GSFA; INS 501(i)).
- Use in multiple Codex GSFA food categories under GMP or specified limits (e.g., dried pastas/noodles; certain dairy and beverage categories), supporting steady industrial demand linked to processed-food output.
Risks
Trade Concentration HighGlobal cross-border supply for potassium carbonates (HS 283640, which includes potassium carbonate trade) is concentrated in a relatively small set of exporting countries (notably Korea, Germany, France, Italy, China, and the United States in 2023), while large importing dependence is visible in India and other major industrial economies. Disruptions affecting one or more key exporting hubs (industrial outages, trade restrictions, or freight constraints) can quickly tighten availability for import-reliant markets.Pre-qualify multiple food-grade suppliers across different exporting countries; maintain safety stock for critical formulations; specify equivalence to recognized monographs (FCC/JECFA) to broaden eligible sourcing.
Food Safety MediumAs an inorganic salt used for pH control, potassium carbonate must meet food-grade identity and purity expectations; contamination/adulteration or off-spec impurities (e.g., heavy metals) represent a direct compliance and recall risk for downstream food manufacturers.Require FCC and/or JECFA specification alignment, routine impurity testing per buyer risk plan, and complete traceability/CoA review for each lot.
Regulatory Compliance MediumPermitted uses and maximum-use concepts differ by regulatory framework (e.g., Codex GSFA provisions and EU 'quantum satis' authorization for potassium carbonates), and the trade code often aggregates 'potassium carbonates' rather than pure potassium carbonate alone. Misclassification, incorrect labeling (INS/E-number), or use outside category permissions can trigger border holds and enforcement actions.Map each finished product use-case to the destination market’s additive permissions (Codex/EU/US as applicable), and ensure labeling and technical function claims match the applicable framework.
FAQ
What is the Codex INS number and primary Codex functional class for potassium carbonate?In Codex GSFA, potassium carbonate is INS 501(i). Codex lists it with functional classes including acidity regulator and stabilizer.
Which countries are major exporters and importers in global trade for potassium carbonates (HS 283640) in 2023?In 2023 trade data for HS 283640 (potassium carbonates), major exporters by value include Korea, Germany, France, Italy, China, and the United States, while major importers by value include India, the United States, Japan, Germany, and France.
Is potassium carbonate recognized under U.S. regulations as a direct food ingredient, and what quality reference is cited?U.S. regulations include potassium carbonate in 21 CFR 184.1619, and that section cites the Food Chemicals Codex (FCC) specifications by incorporation by reference.