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Potassium tartrate

Potassium tartrate Structure
CAS No.
921-53-9
Chemical Name:
Potassium tartrate
Synonyms
Soluble tartar;CREAM OF TARTAR;Potassium (+POTASSIUM TARTRATE;Potassium tartarate;DIPOTASSIUM TARTRATE;POTASSIUM BITARTARATE;L-(+)-CREAM OF TARTAR;POTASSIUM (+)-TARTRATE;POTASSIUM L-BITARTRATE
CBNumber:
CB0723590
Molecular Formula:
C4H4K2O6
Molecular Weight:
226.27
MOL File:
921-53-9.mol
Modify Date:
2024/5/8 14:18:51

Potassium tartrate Properties

Density 1.954 g/mL at 25 °C(lit.)
vapor pressure 0Pa at 25℃
Flash point 200-220°C
Decomposition 200-220 ºC
Stability Stable.
LogP -1.426 (est)
CAS DataBase Reference 921-53-9(CAS DataBase Reference)
EPA Substance Registry System Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, dipotassium salt (921-53-9)

SAFETY

Risk and Safety Statements

Safety Statements  24/25
WGK Germany  1
RTECS  WW8223000
HS Code  29181300

Potassium tartrate price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ottokemi P 2522 Potassium tartrate, GR 98%+ 98%+ 921-53-9 250gm ₹3006 2022-05-26 Buy
ottokemi P 2521 Potassium tartrate 98% 921-53-9 500gm ₹1404 2022-05-26 Buy
ottokemi P 2521 Potassium tartrate 98% 921-53-9 5kg ₹11709 2022-05-26 Buy
Product number Packaging Price Buy
P 2522 250gm ₹3006 Buy
P 2521 500gm ₹1404 Buy
P 2521 5kg ₹11709 Buy

Potassium tartrate Chemical Properties,Uses,Production

Description

Potassium tartrate, dipotassium tartrate or argol has formula K2C4H4O6. It is the potassium salt of tartaric acid. It is often confused with potassium bitartrate, also known as cream of tartar. As a food additive, it shares the E number E336 with potassium bitartrate.

Chemical Properties

white crystalline powder

Uses

Potassium tartrate is the acid potassium salt of tartaric acid occurring as crystals or powder. It is relatively poorly soluble having a solubility in 100 ml of water at 0.8 g at 25°c and 6.1 g at 100°c. A 1% solution at 30°c has a ph of 3.4. Chemical names are potassium acid tartrate, potassium hydrogen tartrate, and potassium bitartrate. It functions to complex with heavy metal ions and to regulate ph; it can have a gentle laxative action if given at adequate levels. The acidulant is used in chemical leavening to release carbon dioxide which produces the loaf volume. It has limited reactivity in the cold so when used in reduced-temperature batters it has little gas evolution during the initial mixing. At room temperatures, it has a relatively fast reaction rate. It functions as a taste regulator in sugar icing and in controlled crystallization of toffees and fondants by the regulated inversion of sucrose. It is used in baked goods, crackers, candy, and puddings.

Preparation

Potassium tartrate is produced by the reaction of tartaric acid with potassium sodium tartrate (rochelle salt), and potassium sulfate, followed by filtration, purification, precipitation and drying.

Definition

ChEBI: The potassium salt of L-tartaric acid.

Purification Methods

Recrystallise it from distilled water (solubility: 0.4mL/g at 100o, 0.7mL/g at 14o). [Beilstein 3 IV 1223.]

Potassium tartrate Preparation Products And Raw materials

Raw materials

Preparation Products

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[r-(r*,r*)]-2,3-dihydroxybutanedioic acid dipotassium salt POTASSIUM HYDROGEN TARTARATE POTASSIUM L-BITARTRATE POTASSIUM L-TARTRATE MONOBASIC POTASSIUM (+)-TARTRATE POTASSIUM TARTRATE POTASSIUM HYDROGEN L-TARTRATE POTASSIUM ACID TARTRATE Dipotassium butanedioate (2R,3R)-2,3-Dihydroxybutanedioic acid dipotassium salt [2R,3R,(+)]-2,3-Dihydroxybutanedioic acid dipotassium salt L-(+)-Tartaric acid dipotassium salt,97% Soluble tartar Potassium tartrate ,99% Butanedioicacid, 2,3-dihydroxy- (2R,3R)-, potassiuM salt (1:2) Potassium tartrate semihydrate POTASSIUM BITARTARATE Butanedioicacid,2,3-dihydroxy-[R-(R*,R*)]-,dipotassiumsalt L-(+)-CREAM OF TARTAR DIPOTASSIUM TARTRATE CREAM OF TARTAR L(+)TARTARIC ACID DIPOTASSIUM L-(+)TARTARIC ACID DIPOTASSIUM SALT L(+)-TARTARIC ACID MONOPOTASSIUM SALT POTASSIUM TARTRATE 1/2-HYDRATE Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, dipotassium salt l-2,3-dihydroxybutanedioic acid dipotassium salt 2,3-dihydroxy-[theta-(theta,theta)]-butanedioicacidipotassiumsalt Potassium tartrate, 99%, for synthesis Potassium tartrate, GR 98%+ )-Tartrate, Extra Pure, SLR, Fisher Chemical Potassium (&plus Potassium tartarate Potassium L-tartaric acid 921-53-9 K2C4H4O412H2O KO2CCHOHCHOHCO2K C4H4O6K2 C4H6O62K K2C4H4O6 C4H4K2O6 Carboxylic Acid Salts Asymmetric Synthesis Chiral Building Blocks Chiral Resolution Reagents Chiral Resolving Reagents Organic Building Blocks Food additive and acidulant