| IUPAC name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| Synonym | TROMETHAMINE, Trometamol, Tham, Tris, Tris buffer, Trisamine, Tris(Hydroxymethyl)aminomethane, Pehanorm, Talatrol |
| Empirical formula (Hill system) | C4H11NO3 |
| Molar mass | 121.13504 g/mol |
| CAS number | 77-86-1 |
| Beilstein Registry Number | 741883 |
| EC Number | 201-064-4 |
| Compound ID (CID) | 6503 |
| PubChem Substance ID (SID) | 24899973 |
| Useful pH Range | 7.0 – 9.0 |
| pKa | 8.20 at 20°C8.06 at 25°C7.72 at 37°C |
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