93352

Base Trizma^®

≥99.0% (T), crystalline, aminopeptidase substrate, BioChemika

• Sinónimos: 2-Amino-2-(hidroximetil)-1,3-propanodiol, Base tris, THAM, Tris(hidroximetil)-aminometano, Trometamol
• Fórmula lineal: NH₂C(CH₂OH)₃
• Número de CAS: 77-86-1
• Peso molecular: 121.14
• Beilstein/REAXYS Number: 741883
• EC Number: 201-064-4
• MDL number: MFCD00004679
• UNSPSC Code: 12352104
• PubChem Substance ID: 329770229
• NACRES: NA.25

Propiedades

• product name: Base Trizma^®, ≥99.0% (T)
• description: aminopeptidase substrate
• product line: BioChemika
• assay: ≥99.0% (T)
• form: crystalline
• loss: ≤1% loss on drying, 110 °C
• pH: 10.5-12.0(4 m in water, 25 °C)
• useful pH range: 7-9
• pKa (25 °C): 8.1
• bp: 219-220 °C/10 mmHg (lit.)
• mp: 167-172 °C (lit.); 168-172 °C
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• 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

Descripción

General description

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.

Application

Trizma^® base was used as buffer for the following studies:

• Electrophoretic transfer for the specific identification of isozymes of starch debranching enzyme, α-amylase and 9-amylase.
• Electrophoretic separation of lipoproteins in polyacrylamide gels.
• Preparation of TRIS buffer having pH 8.

It may be used to compose DN buffer for DNA nick-end labeling of tissue sections.

Other Notes

Los valores de pH de todas las disoluciones tampón son dependientes de la temperatura y la concentración. Para los tampones Tris, el pH aumenta alrededor de 0,03 unidades por °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.

Legal Information

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

Información de seguridad

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves