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Key Documents

RDD014

Sigma-Aldrich

BIS-TRIS propane

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

Synonym(s):

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

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About This Item

Linear Formula:
CH2[CH2NHC(CH2OH)3]2
CAS Number:
Molecular Weight:
282.33
Beilstein:
1786109
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

grade

anhydrous

Quality Level

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

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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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Articles

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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