Merck
All Photos(1)

154563

Sigma-Aldrich

Tris(hydroxymethyl)aminomethane

ultrapure grade, ≥99.9%

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

grado

ultrapure grade

ensayo

≥99.9%

formulario

solid

useful pH range

7-9

pKa (25 °C)

8.1

bp

219-220 °C/10 mmHg (lit.)

mp

167-172 °C (lit.)

solubilidad

water: 0.66 g/mL, clear, colorless

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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Aplicación

Buffer and primary pH standard. pKa=8.3 at 20°C. Auxiliary material in pharmaceutical science.

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