TES, free acid

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Cat.No. 5891 - TES, free acid | C6H15NO6S | CAS No. 7365-44-8
Description: Buffering agent; pKa at physiolgical pH (7.4) at 25°C
Chemical Name: N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid
Purity: ≥99%
Reviews (1)
Literature (1)

Biological Activity

Buffering agent. Working pH range: 6.8 - 8.2. used in a range of protein assays. Forms complexes with DNA and affects restriction enzyme kinetics.

Technical Data

M. Wt 229.25
Formula C6H15NO6S
Storage Store at RT
Purity ≥99%
CAS Number 7365-44-8
PubChem ID 81831
Smiles OCC(NCCS(=O)(O)=O)(CO)CO

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
water 22.93 100

Preparing Stock Solutions

The following data is based on the product molecular weight 229.25. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 4.36 mL 21.81 mL 43.62 mL
5 mM 0.87 mL 4.36 mL 8.72 mL
10 mM 0.44 mL 2.18 mL 4.36 mL
50 mM 0.09 mL 0.44 mL 0.87 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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TES free acid makes good buffer.
By Anonymous on 02/11/2019
Species: Human

TES dissolved in dH2O to prepare buffer. 10N NaOH used to adjust pH.I will recommand buying the product.

Store at 4ᵒC.

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