Potassium Bitartrate

Synonym(s)

: Potassium hydrogen tartrate, potassium 3-carboxy-2,3-dihydroxypropanoate 1(+)

Mol. Formula

: C4H5KO6

EC / List no.

: 212-769-1

CAS no.

: 868-14-4

Molecular weight

: 188,18

Potassium tartrate is the potassium salt of tartaric acid. It is used as a by-product in wine production during the fermentation process.

Application

» This substance is used in the following products: metal surface treatment products, metalworking fluids, explosives, paper chemicals and dyes, plant protection products, varnishes and waxes, textile treatment products and paints, welding and soldering products.
» This substance is used in the manufacture of: chemicals, fabricated metal products, and electrical, electronic and optical equipment.
» Used in machine wash liquids/detergents, automotive care products, paints, coatings or adhesives, fragrances and air fresheners.

Product Specifications

Physical and Chemical Properties
» Potassium bitartrate appears as a colorless, white crystalline powder.
» It has an acidic taste.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	230
Boiling point	°C	318
Density	g/cm³	1.98	20 °C
Solubility	g/ L	5.7	20 °C, Soluble with water
Vapor pressure	hPa	30.69	25.2 °C
LogP		-5.14
Flash point	°C	209.4- 210
Autoignition temperature	°C	425
pH		6.5- 8.5	20- 25 °C, 1.47- 50 g/L