Tripotassium citrate

INS 332(ii)

Used as an antioxidant — Codex also lists it as acidity regulator, emulsifying, salt, sequestrant, stabilizer.

Tripotassium citrate is an acidity regulator and emulsifying salt used where a sodium-free alternative to trisodium citrate is needed.

Where it is and isn’t permitted

Status of Tripotassium citrate by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
Jurisdiction	Status	Scope and limits	Citation
United StatesFood and Drug Administration	Not listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.
Codex AlimentariusCodex Alimentarius Commission / JECFA	Permitted, with conditions	20 food categories no numerical limit (good manufacturing practice) Show every food category 01.1.3 Fluid Buttermilk (plain) — GMP 01.2.1.2 Fermented milks (plain), heat-treated after fermentation — GMP 01.2.2 Renneted milk (plain) — GMP 01.4.1 Pasteurized cream (plain) — GMP 01.4.2 Sterilized and UHT creams, whipping and whipped creams, and reduced fat creams (plain) — GMP 01.8.2 Dried whey and whey products, excluding whey cheeses — GMP 02.1.1 Butter oil, anhydrous milkfat, ghee — GMP 02.1.2 Vegetable oils and fats — GMP 02.1.3 Lard, tallow, fish oil, and other animal fats — GMP 04.2.2.1 Frozen vegetables (including mushrooms and fungi, roots and tubers, pulses and legumes, and aloe vera), seaweeds and nuts and seeds — GMP 08.1.1 Fresh meat, poultry and game, whole pieces or cuts — GMP 08.1.2 Fresh meat, poultry and game, comminuted — GMP 09.2 Processed fish and fish products, including molluscs, crustaceans, and echinoderms — GMP 11.4 Other sugars and syrups (e.g. xylose, maple syrup, sugar toppings) — GMP 12.1.2 Salt substitutes — GMP 13.1.1 Infant formulae — GMP 13.1.2 Follow-up formulae — GMP 13.1.3 Formulae for special medical purposes for infants — GMP 13.2 Complementary foods for infants and young children — GMP 14.1.5 Coffee, coffee substitutes, tea, herbal infusions, and other hot cereal and grain beverages, excluding cocoa — GMP	CXS 192-1995 Table Three, INS 332(ii)and 20 further provisionsretrieved 2026-09-07

Every name it appears under

36 recorded names. A label may use any of them.

INS number

332(ii)

CAS registry number

7778-49-6
866-84-2

Other names

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, potassium salt (1:3)
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, potassium salt (1:?)
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tripotassium salt
2-Hydroxy-2,3-propanetricarboxylic acid, potassium salt(1:x)
86R1NVR0HW
ACALKA
anhydrous tripotassium citrate
Anhydrous, Potassium Citrate
CCRIS 6566
citric acid tripotassium salt (anh.)
citric acid tripotassium salt (anhydrous)
Citric acid, potassium salt
Citric acid, tripotassium salt
HSDB 1248
K citrate
Kajos
Kaliksir
Litocit
Porekal
potassium 2-hydroxypropane-1,2,3-tricarboxylate
potassium citrate (anh.)
POTASSIUM CITRATE [MI]
Potassium citrate anhydrous
Potassium Cltrate
Potassium tribasic citrate
Potassiumcitrate
Seltz-K
tri potassium citrate
tripotassium 2-hydroxypropane-1,2,3-tricarboxylate
TRIPOTASSIUM CITRATE
tripotassium citrate (anh.)
tripotassium citrate (anhydrous)
Urocit K

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.

Tripotassium citrate

Where it is and isn’t permitted

What it is made from

Every name it appears under

INS number

CAS registry number

Other names

Hazard reference values

Evidence and how bodies read it

Sources for this page