TES (buffer)

TES (buffer)

Names
IUPAC name 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]ethanesulfonic acid
Other names TES free acid
Identifiers
CAS Number	7365-44-8 Y
ChemSpider	73842 N
Jmol 3D model	Interactive image
PubChem	6992013
InChI 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) N Key: JOCBASBOOFNAJA-UHFFFAOYSA-N N InChI=1/C6H15NO6S/c8-3-6(4-9,5-10)7-1-2-14(11,12)13/h7-10H,1-5H2,(H,11,12,13) Key: JOCBASBOOFNAJA-UHFFFAOYAR
SMILES C(CS(=O)(=O)O)NC(CO)(CO)CO
Properties
Chemical formula	C6H15NO6S
Molar mass	229.25 g/mol
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

TES is used to make buffer solutions. It has a pK_a value of 7.550 (I=0, 25°C). It is one of the Good's buffers and can be used to make buffer solutions in the pH range 6.8–8.2. It is one of the components of Test yolk buffer medium used for refrigeration of semen and transport.