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| Product Name | TES sodium salt, CAS 70331-82-7, purity >99% |
| Catalog No. | ATR-B-YJL-0210 |
| Description | 2-[(Tris(hydroxymethyl)methyl)amino]-1-ethanesulfonic acid sodium salt, commonly known as TES sodium salt, is a biological buffering agent used in biology, biotechnology, biochemistry, and medical research. It consists of sodium ions and the anionic form of TES, giving it buffering characteristics suited to biological systems. TES sodium salt has a pKa of 7.5 at 25 °C and an effective pH range of 6.8–8.2. It also exhibits good thermal and chemical stability, allowing it to retain its properties under elevated-temperature and high-pH conditions. |
| Intended Use | Used as a biological buffer in cell culture, protein electrophoresis, chromatography, and other biochemical or biological experiments. |
| Package Specifications | 25 kg/drum |
| Key Features | Effective pH range of 6.8–8.2 pKa of 7.5 at 25 °C Helps maintain a stable pH environment in biological systems Suitable for cell culture, protein electrophoresis, and chromatography Good thermal and chemical stability |
| Purity | >99% |
| Molecular Weight | 253.24 |
| pH Range / Optimal pH | 6.8–8.2 |
| Molecular Formula | C6H16NNaO6S |
| Alias | TES sodium salt; 2-[(Tris(hydroxymethyl)methyl)amino]-1-ethanesulfonic acid sodium salt |
| CAS Number | 70331-82-7 |
| pKa | 7.5 at 25 °C |
For research use only, not for clinical use.
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