| IUPAC name | 2-[Bis-(2-hydroxyethyl)-amino]-2-hydroxymethyl-propane-1,3-diol |
| Synonym | Bis-(2-hydroxy-ethyl-amino-tris(hydroxymethyl)-methane, 2,2-Bis(hydroxymethyl)- 2,2,2-nitrilotriethanol, Bis-tris Methane |
| Molecular formula | C8H19NO5 |
| Molar mass | 209.2418 g/mol |
| CAS number | 6976-37-0 |
| RTECS number | TY2900000 |
| Appearance | White crystalline powder |
| Melting point | 102-106°C (375-379K) |
| Useful pH Range | 5.8 – 7.2 |
| pKa at 25°C | 6.46 |
| Applications | buffer |
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