Potassium tartrate, GR 98%+

Name: Potassium tartrate, GR 98%+
Brand: Vaqora Chemicals
SKU: VQ-014074

About Potassium tartrate, GR 98%+

Potassium tartrate (CAS 921-53-9) is an alkali metal compound offered by Vaqora Chemicals in AR grade, specified at ≥98% purity. With the molecular formula C4H4K2O6, it has a molar mass of 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 buffer preparation and cell and microbial culture. Buyers come mainly from academic and industrial research.

We offer Potassium tartrate in 250 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Buffer preparation
Cell & microbial culture

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium tartrate, GR 98%+
Catalogue No.	VQ-014074
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	AR
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

Extra Pure

Potassium tartrate, 98%

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

VQ-014073

Frequently asked questions

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

The CAS Registry Number of Potassium tartrate, GR 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, GR 98%+?

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

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

We supply Potassium tartrate, GR 98%+ in AR (≥98%) grade, in 250 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium tartrate, GR 98%+?

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

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