| IUPAC Name | 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonic acid |
| Synonym | N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid, [(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]-1-propanesulfonic acid |
| Empirical formula (Hill system) | C7H17NO6S |
| Molar mass | 243.27798 g/mol |
| CAS number | 29915-38-6 |
| Beilstein Registry Number | 2452420 |
| EC Number | 249-954-1 |
| Compound ID (CID) | 121591 |
| PubChem Substance ID (SID) | 24900259 |
| Useful pH Range | 7.7 – 9.1 |
| pKa | 8.49 at 25°C8.40 at 25°C8.18 at 25°C |
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