Skip to Content
Merck

Key Documents

View All Documentation

Skip To

T0772

Sigma-Aldrich

TES sodium salt

≥99% (titration)

Synonym(s):

Sodium 2-((1,3-dihydroxy-2-(hydroxymethyl)-propan-2-yl)amino)ethane sulfonate, TES NA, N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid sodium salt

Sign Into View Organizational & Contract Pricing

Select a Size

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C6H14NNaO6S
CAS Number:
70331-82-7
Molecular Weight:
251.23
MDL number:
MFCD00065482
UNSPSC Code:
12161700
PubChem Substance ID:
24899912
NACRES:
NA.25
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Level

200

Assay

≥99% (titration)

form

crystalline powder

impurities

≤7% water content (Karl Fischer)

useful pH range

6.8-8.2

pKa (25 °C)

7.5

solubility

water: 0.333 g/mL, clear to slightly hazy, colorless

cation traces

Pb: ≤5 ppm

application(s)

diagnostic assay manufacturing

SMILES string

[Na+].OCC(CO)(CO)NCCS([O-])(=O)=O

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

TES sodium salt belongs to the category of zwitterionic buffers that contain ionizable groups of both positive and negative charges. It has a high water solubility and can effectively stabilize pH levels within the physiological pH range of 6.8 to 8.2 over a broad range of temperatures. TES sodium salt is used in the preparation of electrophoresis buffers. It is one of the commonly used Good buffers in biochemistry and molecular biology research.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SLCK6557
SLCK0338
SLCG2793
SLCC8254
SLBZ9577

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

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