Bis-Tris

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£178.00

SKU:: B2102
Molecular Weight:: 209.24
Storage Conditions:: RT
Supplier:: United States Biological
CAS Number:: 6976-37-0
Extra Details:: BIS-TRIS, is a commonly used buffering agent that exhibits only a very small shift in dissociation constant. 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 CAS No: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight: 209.24 Purity (Titration): ≥99% Appearance: White powder Solubility (0.1M, H2O): Clear, complete pH (1% H2O): 8.8-9.8 pKa (25°C): 6.3-6.7 Water (KF): ≤1% Heavy Metals (Pb): ≤0.0003% Iron: ≤0.0003% Infrared Spectrum: Conforms to reference A280 (0.1M H2O): ≤0.04 A340 (0.1M H2O): ≤0.02 Melting Point: 103-105°C (lit) Storage and Stability: Powder is stable for 12 months after receipt at RT.