Potassium tartrate, 98%

Name: Potassium tartrate, 98%
Brand: Vaqora Chemicals
SKU: VQ-014073

About Potassium tartrate, 98%

Listed under CAS 921-53-9, Potassium tartrate is an alkali metal compound available from Vaqora Chemicals (Extra Pure grade) at a purity of 98%. Formula C4H4K2O6, molecular weight 226.27 g/mol. Systematically, it is named dipotassium, (2R,3R)-2,3-dihydroxybutanedioate. Alternative names: L-Tartaric acid dipotassium salt and INS-336(II).

In its supplied form it is a white powder. Store in a tightly closed container in a cool, dry and well-ventilated place. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Typical applications include analytical determinations and materials research. Buyers come mainly from academic and industrial research.

Available in 500 g, 5 kg and 25 kg packs, Potassium tartrate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Analytical determinations
Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium tartrate, 98%
Catalogue No.	VQ-014073
CAS Number	921-53-9
IUPAC name	dipotassium;(2R,3R)-2,3-dihydroxybutanedioate
Molecular formula	C₄H₄K₂O₆
Molecular weight	226.27 g/mol
Exact mass	225.9282
Grade	Extra Pure
Purity / assay	98%
HSN code	29420090
InChIKey	AVTYONGGKAJVTE-OLXYHTOASA-L
SMILES	[C@@H]([C@H](C(=O)[O-])O)(C(=O)[O-])O.[K+].[K+]
PubChem CID	8984

Physical properties
Physical form	Powder
Appearance	White powder
H-bond donors / acceptors	2 / 6
TPSA	121 Å²
Synonyms	L-Tartaric acid dipotassium salt, INS-336(II), E-336(II), Butanedioic acid, 2,3-dihydroxy-(2R,3R)-, dipotassium salt, Butanedioic acid, 2,3-dihydroxy-(2R,3R)-, potassium salt (1:2), Dipotassium tartrate, Potassium L-tartrate, Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, dipotassium salt, dipotassium (2R,3R)-2,3-dihydroxybutanedioate, (2R,3R)-2,3-dihydroxysuccinic acid, potassium salt, Cream of tartar, Potassium L-tartrate hydrate

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 921-53-9

AR

Potassium tartrate, GR 98%+

CAS: 921-53-9
Formula: C₄H₄K₂O₆
MW: 226.27 g/mol

VQ-014074

Frequently asked questions

What is the CAS number of Potassium tartrate, 98%?

The CAS Registry Number of Potassium tartrate, 98% is 921-53-9. It is also known as L-Tartaric acid dipotassium salt, INS-336(II), E-336(II).

What is the molecular formula and molecular weight of Potassium tartrate, 98%?

Potassium tartrate, 98% has the molecular formula C4H4K2O6 and a molecular weight of 226.27 g/mol.

Which grade and pack sizes of Potassium tartrate, 98% can I order?

We supply Potassium tartrate, 98% in Extra Pure (98%) 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 tartrate, 98%?

Yes. Every lot of Potassium tartrate, 98% 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 tartrate, 98% be shipped internationally?

Yes. We export Potassium tartrate, 98% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.