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T1010 TAPSO Free Acid CAS: 68399-81-5

Specifications
CAS Number
68399-81-5
Grade
Molecular Biology Grade
MDL Number
MFCD00038352
Molecular Formula
C₇H₁₇NO₇S
Molecular Weight
259.28
EU Commodity Code
38220090
Shipping Temp
RT
Storage Temp
RT
2-Hydroxy-3-[tris(hydroxymethyl)methylamino]-1-propanesulfonic acid; N-[Tris(hydroxymethyl)methyl]-3-amino-2-hydroxypropanesulfonic acid

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.

Synonyms
2-Hydroxy-3-[tris(hydroxymethyl)methylamino]-1-propanesulfonic acid; N-[Tris(hydroxymethyl)methyl]-3-amino-2-hydroxypropanesulfonic acid
CAS Number
68399-81-5
Molecular Formula
C₇H₁₇NO₇S
Molecular Weight
259.28
Appearance
White crystalline powder
Purity
≥99%
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
DNase
None detected
RNase
None detected
Protease
None detected
Storage and Stability
May be stored at RT.
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