Alternative Name
2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acid; N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid; TES free acid; 2-([2-Hydroxy-1,1-Bis(Hydroxymethyl)Ethyl]Amino)Ethanesulfonic Acid; 2-[Tris(Hydroxymethyl)Methyl]-2-Aminoethane Sulfonic Acid; 2-[Tris(Hydroxymethyl)Methylamino]-1-Ethanesulfonic Acid; 2-[[1,3-Dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]ethane-1-sulfonic acid; 2-[[2-Hydroxy-1,1-Bis(Hydroxymethyl)Ethyl]Amino]-Ethanesulfonicaci; 2-[[Tris(Hydroxymethyl)Methyl]Amino]Ethanesulfonic Acid; 2-{[1,3-Dihydroxy-2-(Hydroxymethyl)Propan-2-Yl]Amino}Ethanesulfonic Acid; Ethanesulfonic acid, 2-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]-; N-Tris(Hydroxymethyl)Methyl-2-Amino-Ethanesulphonic Acid; N-Tris(Hydroxymethyl)Methyl-2-Aminoethanesulfonic Acid; N-[2-Hydroxy-1,1-Bis(Hydroxymethyl)Ethyl]Taurine; N-[Tris(hydroxymethyl)methyl]aminoethanesulfonic acid; TES (buffering agent); Taurine, N-[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]-
Other Properties
Absorbance (A280nm): ≤ 0.02
Assay (Titration): ≥ 99.0% (anhydrous basis)
CAS RN: 7365-44-8
EC Number: 230-906-3
Loss on Drying: ≤ 1.0%
Solubility (5% in water): Clear, colourless solution
UV Absorption (0.1M in H2O): A260nm: ≤ 0.02
pH (1% in water): 4.2 - 4.8
pKa: 7.2 - 7.6 (25°C)
InChi
1S/C6H15NO6S/c8-3-6(4-9,5-10)7-1-2-14(11,12)13/h7-10H,1-5H2,(H,11,12,13)