Synonyms: 2,2-Bis(hydroxymethyl)-2,2′,2″-nitrilotriethanol; 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol; Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane
Formula: C8H19NO5
Formula Weight: 209.24
CAS No.: 6976-37-0
Purity: ≥98.0% (titration)
Other Notes: Easily compare specifications for BIS-TRIS products with the BIS-TRIS specification table.
Anion Traces: sulfate (SO42-): ≤0.05%
Assay: ≥98.0% (titration)
Cation Traces: NH4+: ≤0.05%
Ign. Residue: ≤0.1%
Impurities: ≤0.1% Insoluble matter
pH: 9.0-10.1 (20-25°C, 1 M in H2O)
pKa (25°C): 6.5
Product Line: BioXtra
Quality Level: ELITE
Solubility: H2O: soluble1 M, clear, colorless
Useful pH Range: 5.8 - 7.2