Potassium tartrate

Description

White crystals or granular powder. Potassium tartrate is formed when tartaric acid reacts with potassium carbonate.

Synonyms and Related Terms

potassium bitartrate; soluble tartar; vegetable salt; tartrate of potass

Risks

• Contact may cause irritation.
• Echemi: SDS

Physical and Chemical Properties

Soluble in water to form a slightly alkaline solution (pH = 7-8). Insoluble in ethanol.

Composition	K2C4H4O6 - 1/2 H2O
CAS	921-53-9
Melting Point	200 C (dec)
Density	1.98 g/ml
Molecular Weight	mol. wt. = 235.28

Resources and Citations

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7849