EMAIL THIS PAGE TO A FRIEND
93359 Sigma

TES

BioUltra, ≥99.5% (calc. based on dry substance, T)

Synonym: 2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acid, N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid, TES free acid

  • CAS Number 7365-44-8

  • Empirical Formula (Hill Notation) C6H15NO6S

  • Molecular Weight 229.25

  •  Beilstein Registry Number 1957061

  •  EC Number 230-906-3

  •  MDL number MFCD00007532

  •  PubChem Substance ID 24889852

Purchase

Properties

Related Categories Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers, Zwitterionic More...
InChI Key   JOCBASBOOFNAJA-UHFFFAOYSA-N
product line   BioUltra
assay   ≥99.5% (calc. based on dry substance, T)
impurities   insoluble matter, passes filter test
ign. residue   ≤0.1% (as SO4)
loss   ≤0.5% loss on drying, 110 °C
pH   3.5-5.0 (25 °C, 1 M in H2O)
useful pH range   6.8 - 8.2
pKa (25 °C)   7.5
mp   ~225 °C (dec.)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤500 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤200 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤100 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 0.055
  λ: 280 nm Amax: 0.045

Description

Other Notes

Hydrogen ion buffer for biological research; Suitable buffer for epidermal cell growth at pH 7.4-7.9 where additional buffering capacity is required

Application

TES is a physiological Good′s buffer (pH 74.-7.9) used in biological research applications. It is often compared to other Good′s buffers for chemistry and optimal performance in a given system.

Price and Availability


Interactive Buffer Table
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
Protocols & Articles

Related Content

BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Peer-Reviewed Papers
15

References

Set your institution to view full text papers.
Related Products

Technical Service:

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

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?