BIS-TRIS propane

SIGMA/RDD014 - anhydrous, free-flowing, Redi-Dri^™, ≥99.0%

Synonym: 1,3-Bis[tris(hydroxymethyl)methylamino]propane

CAS Number: 64431-96-5
Empirical Formula (Hill Notation): C₁₁H₂₆N₂O₆
Molecular Weight: 282.33
EC Number: 264-899-3
MDL Number: MFCD00004689
Linear Formula: CH₂[CH₂NHC(CH₂OH)₃]₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-RDD014-100G	100 g	$272.00 1/EA	Add To Favorites
45-RDD014-500G	500 g	$866.00 1/EA	Add To Favorites
45-RDD014-1KG	1 kg	$1540.00 1/EA	Add To Favorites

The Redi-Dri™ packaging system eliminates the common issue of clumping that is noted with many hygroscopic salts and buffers and provides free-flowing, ready-to- use material at all times.

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: RDD014-100G

Properties
Descriptions
Safety Info.
Basic Data

absorption	≤0.05 at 290 at 30 % (w/w)
assay	≥99.0%
cation traces	heavy metals (as Pb): ≤5 ppm
form	powder
grade	anhydrous
impurities	≤0.2% water (Karl Fischer)
	≤0.5% tris(hydroxymethyl aminomethane (H-NMR)
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
mp	164-165 °C (lit.)
pH	9.0-10.1 (20-25 °C, 1 M in water)
pKa (25 °C)	(1) 6.8, (2) 9.0
product line	Redi-Dri^™
quality	free-flowing
Quality Level	100
SMILES string	OCC(CO)(CO)NCCCNC(CO)(CO)CO
solubility	H₂O: 30 % (w/w), clear, colorless
useful pH range	6.3-9.5

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
Packaging:	1 kg in poly drum
Packaging:	100, 500 g in poly bottle

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0%
mp	164-165 °C (lit.)
UNSPSC	12161700

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