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| | 2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Basic information |
| Product Name: | 2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid | | Synonyms: | N-[2-HYDROXY-1,1-BIS(HYDROXYMETHYL)ETHYL]TAURINE;N-TRIS(HYDROXYMETHYL)METHYL-2-AMINO-ETHANESULPHONIC ACID;N-TRIS(HYDROXYMETHYL)METHYL-2-AMINOETHANESULFONIC ACID;2-[TRIS(HYDROXYMETHYL)METHYL]-2-AMINOETHANE SULFONIC ACID;2-[TRIS(HYDROXYMETHYL)METHYLAMINO]-1-ETHANESULFONIC ACID;2-[[TRIS(HYDROXYMETHYL)METHYL]AMINO]ETHANESULFONIC ACID;2-([2-HYDROXY-1,1-BIS(HYDROXYMETHYL)ETHYL]AMINO)ETHANESULFONIC ACID;TES free acid | | CAS: | 7365-44-8 | | MF: | C6H15NO6S | | MW: | 229.25 | | EINECS: | 230-906-3 | | Product Categories: | Biochemistry;Good's Buffers;Buffer | | Mol File: | 7365-44-8.mol | ![2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Structure](CAS/GIF/7365-44-8.gif) |
| | 2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Chemical Properties |
| Melting point | ~225 °C (dec.) | | density | 1.260 (estimate) | | refractive index | 1.5500 (estimate) | | storage temp. | Keep in dark place,Sealed in dry,Room Temperature | | solubility | H2O: 1 M at 20 °C, clear, colorless | | form | Crystalline Powder | | color | White | | Odor | Odorless | | PH | 3.5-5.0 (25℃, 1M in H2O) | | PH Range | 6.8 - 8.2 | | pka | 7.5(at 25℃) | | Water Solubility | SOLUBLE | | λmax | λ: 260 nm Amax: 0.055
λ: 280 nm Amax: 0.045 | | Merck | 14,9176 | | BRN | 1957061 | | InChIKey | JOCBASBOOFNAJA-UHFFFAOYSA-N | | CAS DataBase Reference | 7365-44-8(CAS DataBase Reference) | | EPA Substance Registry System | Ethanesulfonic acid, 2-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]- (7365-44-8) |
| | 2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Usage And Synthesis |
| Chemical Properties | White/clear crystalline powder | | Uses | A structural analog to Tris buffer. | | Uses | Biological buffer. | | Uses | TES is a commonly used buffering agent. | | Definition | ChEBI: N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid is a Good's buffer substance, pKa = 7.5 at 20 ℃. It is a member of ethanolamines, an amino sulfonic acid and a TES. It is functionally related to a taurine. It is a tautomer of a N-tris(hydroxymethyl)methyl-2-ammonioethanesulfonate. | | Purification Methods | Crystallise the acid from hot EtOH containing a little water. |
| | 2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Preparation Products And Raw materials |
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