Comparing E337 - Potassium sodium tartrate vs E336II - Dipotassium tartrate

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Overview

E337 - Potassium sodium tartrate

Potassium sodium tartrate (E337) is a tartrate salt used in foods to bind trace metals and help keep products stable over shelf life. Also known as Rochelle salt, it supports color, flavor, and texture in sweets, syrups, drinks, and some baked goods.

E336II - Dipotassium tartrate

Dipotassium tartrate (E336ii) is the potassium salt of tartaric acid that works mainly as an acidity regulator in foods and drinks. It helps keep pH stable, which protects flavor, color, and texture in products such as beverages, confections, and baked goods. It is also known as potassium tartrate or dipotassic tartrate.

Synonyms

E337

Potassium sodium tartrate

E336ii

Dipotassium tartrate

dipotassic tartrate

Potassium tartrate

Functions

acidity regulator sequestrant stabilizer

acidity regulator sequestrant

Origins

Products

Found in 0 products

Found in 11 products

Search rank & volume

#370220 / mo🇺🇸U.S.

#44770 / mo🇺🇸U.S.

Awareness score

Awareness data is not available.

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Search volume over time

Interest over time for 2 keywords in U.S. during the last 10 years.

Interest over time for 4 keywords in U.S. during the last 10 years.

Popular questions

E337 sodium potassium tartrate is in what foods?
It’s used as a sequestrant and stabilizer in some beverages (e.g., soft drinks and juices), jams/jellies, sugar syrups and confectionery, and occasionally in processed fruits/vegetables or baking mixes; look for E337 on ingredient lists.
How to grow potassium sodium tartrate crystal?
Dissolve the salt in hot water to make a saturated solution, then let it cool or evaporate slowly to form crystals; larger crystals grow best from a clean seed crystal and in low humidity because Rochelle salt is deliquescent.
How to prepare potassium sodium tartrate?
It is produced by neutralizing tartaric acid with sodium and potassium bases (e.g., carbonates) and crystallizing the tetrahydrate (Rochelle salt). For food use, obtain food‑grade E337 rather than attempting home preparation.
How to prepare potassium sodium tartrate solution from sodium and potasium tartarate?
Simply dissolve sodium tartrate and potassium tartrate together in water to the desired concentration; in solution this is effectively potassium sodium tartrate, while isolating the true double salt requires crystallization from an equimolar mix.
How to prepare potassium sodium tartrate solution from sodium and potassium tartrate?
Dissolve appropriate amounts of sodium tartrate and potassium tartrate in water to reach your target strength; the mixed ions give a solution equivalent to potassium sodium tartrate, though the double salt forms only on crystallization.