T0772

TES sodium salt

≥99% (titration)

• Synonym(s): Sodium 2-((1,3-dihydroxy-2-(hydroxymethyl)-propan-2-yl)amino)ethane sulfonate, TES NA, N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid sodium salt
• Empirical Formula (Hill Notation): C₆H₁₄NNaO₆S
• CAS Number: 70331-82-7
• Molecular Weight: 251.23
• NACRES: NA.25
• PubChem Substance ID: 24899912
• UNSPSC Code: 12161700
• MDL number: MFCD00065482

Properties

• Quality Segment: 200
• assay: ≥99% (titration)
• form: crystalline powder
• impurities: ≤7% water content (Karl Fischer)
• useful pH range: 6.8-8.2
• pKa (25 °C): 7.5
• solubility: water: 0.333 g/mL, clear to slightly hazy, colorless
• cation traces: Pb: ≤5 ppm
• application(s): diagnostic assay manufacturing
• SMILES string: [Na+].OCC(CO)(CO)NCCS([O-])(=O)=O
• InChI: 1S/C6H15NO6S.Na/c8-3-6(4-9,5-10)7-1-2-14(11,12)13;/h7-10H,1-5H2,(H,11,12,13);/q;+1/p-1
• InChI key: GUXMFAHOYNRHBI-UHFFFAOYSA-M

Description

General description

TES sodium salt belongs to the category of zwitterionic buffers that contain ionizable groups of both positive and negative charges.[1] It has a high water solubility and can effectively stabilize pH levels within the physiological pH range of 6.8 to 8.2 over a broad range of temperatures.[1] TES sodium salt is used in the preparation of electrophoresis buffers. It is one of the commonly used Good buffers[2] in biochemistry and molecular biology research.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable