RDD014

BIS-TRIS propane

anhydrous, free-flowing, Redi-Dri^™, ≥99.0%

• Synonym(s): 1,3-Bis[tris(hydroxymethyl)methylamino]propane
• Linear Formula: CH₂[CH₂NHC(CH₂OH)₃]₂
• CAS Number: 64431-96-5
• Molecular Weight: 282.33
• Beilstein: 1786109
• EC Number: 264-899-3
• MDL number: MFCD00004689
• UNSPSC Code: 12161700
• PubChem Substance ID: 329824223
• NACRES: NA.25

Properties

• grade: anhydrous
• Quality Level: 100
• product line: Redi-Dri^™
• Assay: ≥99.0%
• form: powder
• quality: free-flowing
• impurities: ≤0.2% water (Karl Fischer); ≤0.5% tris(hydroxymethyl aminomethane (H-NMR)
• pH: 9.0-10.1 (20-25 °C, 1 M in water)
• useful pH range: 6.3-9.5
• pKa (25 °C): (1) 6.8, (2) 9.0
• mp: 164-165 °C (lit.)
• solubility: H₂O: 30 % (w/w), clear, colorless
• cation traces: heavy metals (as Pb): ≤5 ppm
• absorption: ≤0.05 at 290 at 30 % (w/w)
• SMILES string: OCC(CO)(CO)NCCCNC(CO)(CO)CO
• InChI: 1S/C11H26N2O6/c14-4-10(5-15,6-16)12-2-1-3-13-11(7-17,8-18)9-19/h12-19H,1-9H2
• InChI key: HHKZCCWKTZRCCL-UHFFFAOYSA-N

Description

Application

• Comparing solution-gate and bottom-gate nanowire field-effect transistors on pH sensing with different salt concentrations and surface modifications.: This study investigates the pH sensing performance of nanowire field-effect transistors with varying salt concentrations and surface modifications, using BIS-TRIS propane as a buffer. The findings highlight the importance of buffer choice in optimizing sensor sensitivity and stability (Hu et al., 2024).


• Laser-induced tuning of graphene field-effect transistors for pH sensing.: This research explores the use of BIS-TRIS propane in the laser-induced tuning of graphene field-effect transistors for enhanced pH sensing capabilities. The study demonstrates improved sensor accuracy and response times (Lampinen et al., 2023).


• Protein association on multimodal chromatography media.: This study utilizes BIS-TRIS propane in multimodal chromatography to investigate protein associations, aiming to enhance the efficiency of protein purification processes (Muca and Antos, 2023).


• Novel anion exchange membrane chromatography method for the separation of empty and full adeno-associated virus.: BIS-TRIS propane is employed in a novel anion exchange membrane chromatography method to separate empty and full adeno-associated viruses, demonstrating its effectiveness in biotechnological applications (Hejmowski et al., 2022).

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable