Merck
All Photos(2)

648311

Millipore

Tris Base, ULTROL® Grade

Useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25°C. Absorbance (1.0 M, H2O, 260 nm):0.05.

Synonym(s):
Tris base, Trometamol, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris(hydroxymethyl)aminomethane, tris(Hydroxymethyl)aminomethane
Linear Formula:
NH2C(CH2OH)3
CAS Number:
Molecular Weight:
121.14
Beilstein:
741883
Número MDL:

Nivel de calidad

100

ensayo

≥99% dry basis (titration)

formulario

crystalline solid

manufacturer/tradename

Calbiochem®

condiciones de almacenamiento

OK to freeze

color

white

useful pH range

7-9

pKa (25 °C)

8.1

bp

219-220 °C/10 mmHg (lit.)

mp

167-172 °C (lit.)

solubilidad

water: 1 M

trazas de catión

heavy metals: ≤5 ppm

enviado en

ambient

temp. de almacenamiento

10-30°C

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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Descripción general

Absorbance (1.0 M, H2O, 260 nm): <0.05.
Widely used as a biological buffer (absorbance: <0.05 at 260 nm, 1.0 M, H2O). A 1.0 M solution in H2O has a pH range of 10.3-11.3 and a pKa of 8.3 at 20°C.
Useful in the pH range of 10.3-11.3. Has a pKa of 8.1 at 25°C.

Envase

1 kg in Glass bottle
5, 25 kg in Fibre carton

Advertencia

Toxicity: Irritant (B)

Información legal

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

Código de clase de almacenamiento

11 - Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

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