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Fórmula lineal:
NH2C(CH2OH)3 · HCl
Número CAS:
Peso molecular:
157.60
NACRES:
NA.25
UNSPSC Code:
12161700
Beilstein/REAXYS Number:
3675235
MDL number:
Servicio técnico
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Permítanos ayudarlebiological source
synthetic
Quality Level
grade
reagent grade
assay
≥99%
form
crystalline
storage condition
(Tightly closed. Dry)
impurities
<0.5% water
color
white
useful pH range
7.0-9.0
pKa (25 °C)
8.1
mp
~150.7 °C
solubility
water: 1.5 g/mL, clear, colorless
cation traces
Fe: ≤5 ppm, Pb: ≤5 ppm
storage temp.
room temp
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
General description
Tris HCl, or Trizma® hydrochloride, serves as a widely utilized acidic buffer with a pKa of 8.08 at 25°C, offering a pH range of 7.0 to 9.0, aligning with the typical pH of living organisms. It is a crucial component in buffer solutions for diverse biological, cell biology, and biochemistry applications. Notably, Tris base and Tris hydrochloride individually lack sufficient buffering capacity, necessitating their combination to create effective buffers within the pH range of 7 to 9.
Essential in protein electrophoresis and western blotting techniques, Tris buffers, particularly low ionic strength versions, are employed for protein transfer. They are also commonly used in SDS-PAGE gels, running buffers, and blotting buffers. Additionally, Tris salts, integral to DNA agarose electrophoresis, contribute to buffer preparations like TAE (Tris acetate/EDTA) and TBE (Tris borate/EDTA), playing pivotal roles in biochemistry, protein purification, and electrophoresis applications. Overall, Tris HCl proves to be a versatile and indispensable component, ensuring optimal pH in biological systems for effective biochemical and cell biology research.
Essential in protein electrophoresis and western blotting techniques, Tris buffers, particularly low ionic strength versions, are employed for protein transfer. They are also commonly used in SDS-PAGE gels, running buffers, and blotting buffers. Additionally, Tris salts, integral to DNA agarose electrophoresis, contribute to buffer preparations like TAE (Tris acetate/EDTA) and TBE (Tris borate/EDTA), playing pivotal roles in biochemistry, protein purification, and electrophoresis applications. Overall, Tris HCl proves to be a versatile and indispensable component, ensuring optimal pH in biological systems for effective biochemical and cell biology research.
Features and Benefits
- Ideal as a Biological buffer for Cell Biology and Biochemical research
- Effective Buffering from pH 7-9 (25 °C) with a pKa of 8.1 (25 °C)
- Tested to confirm low levels of heavy metal contamination, ensuring suitability for various applications
Other Notes
Los valores de pH de todas las disoluciones tampón son dependientes de la temperatura y la concentración. En el caso de los tampones Tris, el pH aumenta alrededor de 0,03 unidades por cada °C de disminución de la temperatura, y disminuye 0,03-0,05 unidades al ser diluido por 10. Para aplicaciones precisas, debe utilizarse un peachímetro cuidadosamente calibrado con un electrodo de vidrio/calomelano combinados.
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The pH values of all buffers are temperature and concentration-dependent. For Tris buffers, pH increases by about 0.03 unit per °C decrease in temperature and decreases by 0.03-0.05 unit per ten-fold dilution.
For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode.
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
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Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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