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TAPSO Free Acid


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Catalog #T1010
TAPSO Free Acid 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.
CAS Number68399-81-5
Molecular FormulaC7H17NO7S
Molecular Weight259.3
AppearanceWhite crystalline powder
Solubility (0.1M, dH2O)Clear, colorless and complete
Water (KF)1%
pH (1%)4.7-5.3
Absorbance (A280) (1M dH2O)0.02
Absorbance (A260) (1M dH2O)0.04
DNaseNone detected
RNaseNone detected
ProteaseNone detected
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 names3-[N-tris-(hydroxymethyl)methylamino]-2-hydroxypropanesulfonic acid

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