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T5941

Sigma-Aldrich

Trizma® hydrochloride

BioPerformance Certified, suitable for cell culture, ≥99.0% (titration)

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Synonym(s):
TRIS HCl, TRIS hydrochloride, Tris(hydroxymethyl)aminomethane hydrochloride, Tromethane hydrochloride
Linear Formula:
NH2C(CH2OH)3 · HCl
CAS Number:
Molecular Weight:
157.60
Beilstein:
3675235
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

grade

BioPerformance Certified

Quality Level

Assay

≥99.0% (titration)

form

crystalline powder

technique(s)

cell culture | mammalian: suitable
electrophoresis: suitable

impurities

DNAse, Exonuclease; NICKase, Endonuclease; RNAse and Protease, none detected
endotoxin and total aerobic microbial count, tested
≤0.5% water (Karl Fischer)

useful pH range

7.0-9.0

pKa (25 °C)

8.1

mp

150-152 °C

solubility

H2O: 667 mg/mL

absorption

≤0.05 at 290 at 40%

suitability

suitable for electrophoresis

application(s)

diagnostic assay manufacturing

SMILES string

Cl.NC(CO)(CO)CO

InChI

1S/C4H11NO3.ClH/c5-4(1-6,2-7)3-8;/h6-8H,1-3,5H2;1H

InChI key

QKNYBSVHEMOAJP-UHFFFAOYSA-N

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This Item
T6666T3253RDD009
Trizma® hydrochloride BioPerformance Certified, suitable for cell culture, ≥99.0% (titration)

Sigma-Aldrich

T5941

Trizma® hydrochloride

Premium Grade
Trizma® hydrochloride pH 3.5-5.0 (0.5 M in H2O), BioXtra, ≥99.0% (titration)

Sigma-Aldrich

T6666

Trizma® hydrochloride

Premium Grade
Trizma® hydrochloride reagent grade, ≥99.0% (titration), crystalline

Sigma-Aldrich

T3253

Trizma® hydrochloride

Essential Grade
Trizma® hydrochloride anhydrous, free-flowing, Redi-Dri™, ≥99.0%

Sigma-Aldrich

RDD009

Trizma® hydrochloride

-
assay

≥99.0% (titration)

assay

≥99.0% (titration)

assay

≥99.0% (titration)

assay

≥99.0%

form

crystalline powder

form

powder

form

crystalline

form

powder

technique(s)

cell culture | mammalian: suitable, electrophoresis: suitable

technique(s)

-

technique(s)

-

technique(s)

-

impurities

DNAse, Exonuclease; NICKase, Endonuclease; RNAse and Protease, none detected, endotoxin and total aerobic microbial count, tested, ≤0.5% water (Karl Fischer)

impurities

Insoluble matter, passes filter test

impurities

≤0.5% water (Karl Fischer)

impurities

≤0.5% water (Karl Fischer)

mp

150-152 °C

mp

150-152 °C

mp

150-152 °C

mp

150-152 °C

General description

Tris HCl, also known as Trizma® hydrochloride, is a widely used acidic buffer for preparing buffers within the physiological pH range of 7.3 to 7.5. With a pKa of 8.08 at 25°C, Tris HCl offers a pH range of 7.0 to 9.0, matching the typical pH of living organisms. As a result, Tris HCl is an essential component of buffer solutions used in various biological, cell culture, biochemistry, and molecular biology applications. It is important to note that neither Tris base nor Tris hydrochloride on their own can provide sufficient buffering capacity. Therefore, they are typically combined to create a buffer within the pH range of 7 to 9, ensuring effective pH control.

Tris buffers are indispensable in techniques like protein electrophoresis and western blotting. In many western blot protocols, a low ionic strength Tris buffer is employed for protein transfer. The transfer duration depends on the blotting apparatus and the size range of peptides under investigation. Tris-based buffers are also commonly used in SDS-PAGE gels, running buffers, and blotting buffers.

Furthermore, Tris salts find extensive use in DNA agarose electrophoresis, particularly in the preparation of buffers like TAE (Tris acetate/EDTA) and TBE (Tris borate/EDTA). These buffers play a pivotal role in various applications, including biochemistry, protein purification, and electrophoresis. Tris HCl is a versatile and essential for maintaining the pH of biological systems and ensuring the optimal performance of biochemical, cell culture, and molecular biology techniques.

Application

Tris-HCl hasbenn used
  • as a washing and rinsing buffer in an immunohistochemical analysis(1)
  • as a component of reducing sample buffer, lysis buffer and elution buffer, in a biochemical research involving gel electrophoresis and BioLayer interferometry measurement(2)

Features and Benefits

  • Suitable for Molecular Biology and Cell Culture
  • Can be used as a Buffer component, for Electrophoresis and Protein separation
  • Tested for Endotoxins and Total Aerobic Microbial Count
  • Free from DNase, NICKase, RNase, and Protease
  • Tested to confirm low levels of heavy metal contamination, ensuring suitability for various applications
  • Effective Buffering from pH 7-9 (25 °C) with a pKa of 8.1 (25 °C)
  • Highly soluble in water

Packaging

T5941-1KT:
Each kit contains 3 x 100G samples, each sample from a uniquely manufactured lot.

Other Notes

Easily compare specifications for Trizma HCl products with the Trizma HCl specification table.
The pH values of all buffers are temperature and concentration dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05 unit per ten-fold dilution. For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode.

Legal Information

Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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