TAPSO sodium
Based on 1 Customer Validation
TAPSO sodium 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 sodium 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: 99.91%
- CAS No.: 105140-25-8
- Formula: C7H16NNaO7S
- Molecular Weight:281.25
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Storage:
Store at room temperature, keep dry and cool.
In solvent -80°C, 1 year , -20°C, 6 months
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 sodium 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. 105140-25-8
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Appearance Solid
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Molecular Weight 281.25
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Formula C7H16NNaO7S
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Color White to off-white
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SMILES
OCC(NCC(CS(=O)(O[Na])=O)O)(CO)CO
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Store at room temperature, keep dry and cool
In solvent -80°C 1 year -20°C 6 months
Solvent & Solubility
H2O : 100 mg/mL (355.56 mM; Need ultrasonic)
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
* 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
* 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 (644 KB)
- English - EN (644 KB)
- Français - FR (644 KB)
- Deutsch - DE (644 KB)
- Norwegian - NO (644 KB)
- Español - ES (644 KB)
- Swedish - SV (644 KB)
- Italian - IT (644 KB)
- Korean - KR (644 KB)
- Portuguese - PT (644 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 sodium)x-(OH)y and Zn-(TAPSO sodium)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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| H2O | 1 mM | 3.5556 mL | 17.7778 mL | 35.5556 mL | 88.8889 mL |
| 5 mM | 0.7111 mL | 3.5556 mL | 7.1111 mL | 17.7778 mL | |
| 10 mM | 0.3556 mL | 1.7778 mL | 3.5556 mL | 8.8889 mL | |
| 15 mM | 0.2370 mL | 1.1852 mL | 2.3704 mL | 5.9259 mL | |
| 20 mM | 0.1778 mL | 0.8889 mL | 1.7778 mL | 4.4444 mL | |
| 25 mM | 0.1422 mL | 0.7111 mL | 1.4222 mL | 3.5556 mL | |
| 30 mM | 0.1185 mL | 0.5926 mL | 1.1852 mL | 2.9630 mL | |
| 40 mM | 0.0889 mL | 0.4444 mL | 0.8889 mL | 2.2222 mL | |
| 50 mM | 0.0711 mL | 0.3556 mL | 0.7111 mL | 1.7778 mL | |
| 60 mM | 0.0593 mL | 0.2963 mL | 0.5926 mL | 1.4815 mL | |
| 80 mM | 0.0444 mL | 0.2222 mL | 0.4444 mL | 1.1111 mL | |
| 100 mM | 0.0356 mL | 0.1778 mL | 0.3556 mL | 0.8889 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 sodium Related Classifications
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