Merck
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T1503

Sigma-Aldrich

Trizma® base

Primary Standard and Buffer, ≥99.9% (titration), crystalline

Synonym(s):
2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Tris(hydroxymethyl)aminomethane, Trometamol
Linear Formula:
NH2C(CH2OH)3
CAS Number:
Molecular Weight:
121.14
Beilstein:
741883
Número de EC:
Número MDL:
ID de la sustancia en PubChem:
NACRES:
NA.25

Nivel de calidad

descripción

aminopeptidase substrate

ensayo

≥99.9% (titration)

formulario

crystalline

pH

10.5-12

useful pH range

7-9

pKa (25 °C)

8.1

bp

219-220 °C/10 mmHg (lit.)

mp

167-172 °C (lit.)

solubilidad

methanol: soluble 26 mg/mL at 25 °C
ethylene glycol: soluble 79.1 mg/mL at 25 °C
water: soluble (678 g/l at 20 °C)

absorción

≤0.05 at 290 nm at 40%

application(s)

diagnostic assay manufacturing

SMILES string

NC(CO)(CO)CO

InChI

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

InChI key

LENZDBCJOHFCAS-UHFFFAOYSA-N

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Trizma® base Primary Standard and Buffer, ≥99.9% (titration), crystalline

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Trizma® base

assay

≥99.9% (titration)

assay

≥99.9% (titration)

assay

≥99.9% (titration)

assay

≥99.7% (T)

form

crystalline

form

crystalline

form

crystalline powder

form

crystalline

pH

10.5-12

pH

10.0-11.5

pH

10.0-11.5

pH

10.5-11.5 (25 °C, 10% in H2O)

mp

167-172 °C (lit.)

mp

167-172 °C (lit.)

mp

167-172 °C (lit.)

mp

167-172 °C (lit.), 168-172 °C

solubility

methanol: soluble 26 mg/mL at 25 °C, ethylene glycol: soluble 79.1 mg/mL at 25 °C, water: soluble (678 g/l at 20 °C)

solubility

water: soluble (400 g plus 600 mL of water)

solubility

water: soluble (666 mg/ml, yielding a clear colorless solution)

solubility

water: soluble (678 g/l at 20 °C)

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

-

Descripción general

40% (w/w) solution in water is clear and colorless.
Tris is an established basimetric standard and buffer used in biochemistry and molecular biology. It may be used by itself as a buffer or as a component of mixed buffer formulations, such as Tris-EDTA (TE) buffer, Tris-acetate-EDTA (TAE) buffer, Tris-borate-EDTA (TBE) buffer, etc. It is pure, essentially stable, relatively non-hygroscopic and has a high equivalent weight.

Aplicación

Trizma® base has been used:
  • as a component of H buffer (cell dissociation buffer)
  • for washing and saturation of wells in double sandwich ELISA immunoenzymatic technique
  • as an assay buffer for reconstitution of extracted and dried protein samples
  • to prepare Tris-HCl buffer that is used to stabilize proteins
  • as a buffer to extract carotenoid from tubers
  • as a component of sample buffer during protein extraction prior to western blotting
  • as a component of sample buffer for sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE)
  • to prepare simulated body fluid (SBF) for calcium phosphate (CaP) resorption assay
  • as a buffer for polydopamine (PDA) deposition on stainless steel (SS) substrate

Otras notas

Easily compare specifications for Trizma products with the Trizma 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.

Información legal

Trizma is a registered trademark of Sigma-Aldrich Co. LLC

Código de clase de almacenamiento

11 - Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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