Potassium tartrate , 99% , 921-53-9

Synonym(s):
Potassium bitartrate;Potassium hydrogen tartrate;Tartaric acid monopotassium salt;Potassium hydrogen L-tartrate;L-(+)-Tartaric acid monopotassium salt

CAS NO.：921-53-9

Empirical Formula: C4H4K2O6

Molecular Weight: 226.27

MDL number: MFCD00013065

EINECS: 213-067-8

PRODUCT 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)

Description and Uses

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.

Manufacture of potassium salts, medicine (cathartic), lab reagent.

Safety

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