85-1346-45　TAPSO Free Acid 100g　CAS No:68399-81-5　T1010

特徴

• 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
• 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.