TAPSO
Based on 1 Customer Validation
TAPSO is a commonly used biological buffer and pH-stabilizing reagent, with an effective pH range of 7-8 and a pKa range of 7.5-9. TAPSO contains a Tris group, exhibits considerable reactivity, and can interact with zwitterionic glycine peptides.
For research use only. We do not sell to patients.
- Purity: 98.0%
- CAS No.: 68399-81-5
- Formula: C7H17NO7S
- Molecular Weight:259.28
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Storage:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
TAPSO can be used to prepare buffer solutions, and is suitable for preparing buffer solutions with a pH range of 7.0 to 8.2[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 68399-81-5
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Appearance Solid
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Molecular Weight 259.28
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Formula C7H17NO7S
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Color White to off-white
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SMILES
O=S(CC(O)CNC(CO)(CO)CO)(O)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Solvent & Solubility
H2O : 100 mg/mL (385.68 mM; Need ultrasonic)
DMSO : 50 mg/mL (192.84 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (271 KB)
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SDS (394 KB)
- English - EN (394 KB)
- Français - FR (394 KB)
- Deutsch - DE (394 KB)
- Norwegian - NO (394 KB)
- Español - ES (394 KB)
- Swedish - SV (394 KB)
- Italian - IT (394 KB)
- Korean - KR (394 KB)
- Portuguese - PT (394 KB)
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Handling Instructions (2659 KB)
References
[1]. Machado CM, et al. Interpretation of non-Nernstian slopes in graphic analysis of data collected in pH range close to deprotonation of a ligand Part I. A glass electrode potentiometric and polarographic study of Cd-(TAPSO)x-(OH)y and Zn-(TAPSO)x-(OH)y systems. Talanta. 2006 Jan 15;68(3):819-30. [Content Brief]
[2]. Liu C, et al. Ultra-Stable Aqueous Zinc-Metal Batteries Achieved via Bio-Inspired Buffer Additive Engineering. Small. 2025;21(51):e11095. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO / H2O | 1 mM | 3.8568 mL | 19.2842 mL | 38.5683 mL | 96.4209 mL |
| 5 mM | 0.7714 mL | 3.8568 mL | 7.7137 mL | 19.2842 mL | |
| 10 mM | 0.3857 mL | 1.9284 mL | 3.8568 mL | 9.6421 mL | |
| 15 mM | 0.2571 mL | 1.2856 mL | 2.5712 mL | 6.4281 mL | |
| 20 mM | 0.1928 mL | 0.9642 mL | 1.9284 mL | 4.8210 mL | |
| 25 mM | 0.1543 mL | 0.7714 mL | 1.5427 mL | 3.8568 mL | |
| 30 mM | 0.1286 mL | 0.6428 mL | 1.2856 mL | 3.2140 mL | |
| 40 mM | 0.0964 mL | 0.4821 mL | 0.9642 mL | 2.4105 mL | |
| 50 mM | 0.0771 mL | 0.3857 mL | 0.7714 mL | 1.9284 mL | |
| 60 mM | 0.0643 mL | 0.3214 mL | 0.6428 mL | 1.6070 mL | |
| 80 mM | 0.0482 mL | 0.2411 mL | 0.4821 mL | 1.2053 mL | |
| 100 mM | 0.0386 mL | 0.1928 mL | 0.3857 mL | 0.9642 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
TAPSO Related Classifications
HY-D0878 Related Classifications
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