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You are here:Home » Biochemicals » Biochem-Molecular Biology » TES, Sodium Salt

TES, Sodium Salt


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Catalog #T2905
TES Sodium Salt is a biological buffer (zwitterionic) designed by Good, et al., and typically referred to as Good’s buffer useful in cell culture media formulations. Selection of biological buffer systems should include the following criteria exclusion by biological membranes, low absorption between 240 and 700nm, chemically stable, and stable to temperature and concentration changes.
Identity (IR) Conforms to reference
Solubility (20%)
Colorless, clear, complete
Absorbance (290nm) 0.10
Absorbance (280nm) 0.30
Absorbance (260nm) 0.50
pH (1%, dH2O)9.5-10.1
Water Content (By KF) 7.0%
Residue On Ignition 0.1%
Heavy Metals 0.0001%
CAS Number70331-82-7
Molecular FormulaC6H14NO6SNa
Molecular Weight251.23
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesN-[tris-hydroxymethyl]methyl-2-aminoethanesulfonic acid sodium salt

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