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Merck

33742

Sigma-Aldrich

Base Trizma®

≥99.5%, crystalline, puriss p.a., aminopeptidase substrate

Sinónimos:

2-Amino-2-(hidroximetil)-1,3-propanodiol, Base tris, THAM, Tris(hidroximetil)-aminometano, Trometamol

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About This Item

Fórmula lineal:
NH2C(CH2OH)3
Número de CAS:
Peso molecular:
121.14
Beilstein/REAXYS Number:
741883
EC Number:
MDL number:
UNSPSC Code:
12352104
PubChem Substance ID:

product name

Base Trizma®, puriss. p.a., buffer substance, ≥99.5%

description

aminopeptidase substrate

grade

puriss. p.a.

assay

≥99.5%

form

crystalline

impurities

≤0.0005% heavy metals (as Pb)
≤0.5% water (Karl Fischer)

ign. residue

≤0.05% (as SO4)

color

white

pH

10.3-10.8 (0.1 M)

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

water: soluble (678 g/l at 20 °C)

anion traces

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤10 mg/kg

cation traces

Fe: ≤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

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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

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


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