Skip to Content
Merck
All Photos(3)

Documents

S2377

Sigma-Aldrich

Potassium sodium tartrate tetrahydrate

ReagentPlus®, ≥99%

Synonym(s):

L(+)-Tartaric acid potassium Sodium salt, Rochelle salt, Seignette salt

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
KOCOCH(OH)CH(OH)COONa · 4H2O
CAS Number:
6381-59-5
Molecular Weight:
282.22
Beilstein:
6113568
EC Number:
206-156-8
MDL number:
MFCD00150989
UNSPSC Code:
12352100
PubChem Substance ID:
24899519
NACRES:
NA.21

Agency

suitable for SM 4500 - NH3

Quality Level

200

product line

ReagentPlus®

Assay

≥99%

SMILES string

O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O

InChI

1S/C4H6O6.K.Na.4H2O/c5-1(3(7)8)2(6)4(9)10;;;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;4*1H2/q;2*+1;;;;/p-2/t1-,2-;;;;;;/m1....../s1

InChI key

VZOPRCCTKLAGPN-ZFJVMAEJSA-L

Looking for similar products? Visit Product Comparison Guide

General description

Potassium sodium tartrate tetrahydrate is a ferroelectric crystal with a high piezoelectric effect and electromechanical coupling coefficient.

Application

Potassium sodium tartrate tetrahydrate has been used in the preparation of 3,5-dinitrosalicylic acid solution used in the determination of the reducing sugar.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL9867
BCCK6990
BCCJ0588
BCCG5953
BCCG0478

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

Copper(II) sulfate pentahydrate ACS reagent, ≥98.0%

Sigma-Aldrich

209198

Copper(II) sulfate pentahydrate

The effect of ultrasound in combination with thermal treatment on the germinated barley?s alpha-amylase activity.
Yaldagard M, et al.
Korean Journal of Chemical Engineering, 25(3), 517-523 (2008)
Fundamentals of Piezoelectric Sensorics: Mechanical, Dielectric, and Thermodynamical Properties of Piezoelectric Materials, 11-11 (2010)
Organic nonvolatile memory devices based on ferroelectricity.
Naber RCG, et al.
Advanced Materials, 22(9), 933-945 (2010)
Pallavi Kumari et al.
International journal of molecular sciences, 21(18) (2020-09-13)
A variety of methods to detect cellulase secretion by microorganisms has been developed over the years, none of which enables the real-time visualization of cellulase activity on a surface. This visualization is critical to study the interaction between soil-borne cellulase-secreting
Ghina Ali et al.
Biotechnology progress, 31(4), 883-889 (2015-04-29)
The immobilization of pullulanase from Klebsiella pneumoniae by grafting was investigated. Pullulanase was linked after activation of alginate via a covalent bond between the amine groups of the enzyme and the carboxylic acid groups of alginate. The immobilization yield was
View All Related Papers

Protocols

Enzymatic Assay of β-AMYLASE (EC 3.2.1.2)

Beta-amylase is found in bacteria, fungi, and plants. To measure β-amylase activity, this assay uses a colorimetric spectrophotometric stop reaction at 540 nm.

Enzymatic Assay of α-Amylase (EC 3.2.1.1)

Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.

Related Content

Environmental Methods Consumables Look Up Tool

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service