Potassium hydrogen tartrate, 99%

Name: Potassium hydrogen tartrate, 99%
Brand: Vaqora Chemicals
SKU: VQ-008575

About Potassium hydrogen tartrate, 99%

Potassium hydrogen tartrate is a carboxylic acid in Extra Pure grade carrying the CAS registry number 868-14-4 at a purity of 99%. The compound has the formula C4H5KO6, corresponding to a molecular weight of 188.18 g/mol. Systematically, it is named potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate. Common synonyms include L(+)-Tartaric acid monopotassium salt and Potassium bitartrate.

In its supplied form it is white crystals. Reported physical data include a melting point of above 250 °C and a density of 1.954 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include ceramics and glass and reduction reactions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 500 g, 5 kg and 25 kg packs, Potassium hydrogen tartrate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Ceramics & glass
Reduction reactions

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium hydrogen tartrate, 99%
Catalogue No.	VQ-008575
CAS Number	868-14-4
IUPAC name	potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
Molecular formula	C₄H₅KO₆
Molecular weight	188.18 g/mol
Exact mass	187.9723
Grade	Extra Pure
Purity / assay	99%
HSN code	29181390
InChIKey	KYKNRZGSIGMXFH-ZVGUSBNCSA-M
SMILES	[C@@H]([C@H](C(=O)[O-])O)(C(=O)O)O.[K+]
PubChem CID	23681127

Physical properties
Physical form	Crystalline
Appearance	White crystals
Melting point	>250 °C
Density	1.954 g/mL at 25 °C
H-bond donors / acceptors	3 / 6
TPSA	118 Å²
Synonyms	L(+)-Tartaric acid monopotassium salt, Potassium bitartrate, Potassium hydrogen L-tartrate, Tartaric acid monopotassium salt, Acid potassium tartrate, Monopotassium tartrate, Purified cream of tartar, potassium (2R,3R)-3-carboxy-2,3-dihydroxypropanoate, INS-336(I), Monopotassium tartrate (336(i)), E-336(I), Butanedioic acid 2,3-dihydroxy-, (R-(R,R))-, monopotassium salt

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 868-14-4

ACS / AR

Potassium hydrogen tartrate, ACS 99.00–101.00%

CAS: 868-14-4
Formula: C₄H₅KO₆
MW: 188.18 g/mol

VQ-046804

Frequently asked questions

What is the CAS number of Potassium hydrogen tartrate, 99%?

The CAS Registry Number of Potassium hydrogen tartrate, 99% is 868-14-4. It is also known as L(+)-Tartaric acid monopotassium salt, Potassium bitartrate, Potassium hydrogen L-tartrate.

What is the molecular formula and molecular weight of Potassium hydrogen tartrate, 99%?

Potassium hydrogen tartrate, 99% has the molecular formula C4H5KO6 and a molecular weight of 188.18 g/mol. Its IUPAC name is potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate.

Which grade and pack sizes of Potassium hydrogen tartrate, 99% can I order?

We supply Potassium hydrogen tartrate, 99% in Extra Pure (99%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium hydrogen tartrate, 99%?

Yes. Every lot of Potassium hydrogen tartrate, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Potassium hydrogen tartrate, 99% be shipped internationally?

Yes. We export Potassium hydrogen tartrate, 99% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.