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Tris Base Basic information

Chemical Properties Uses of Biology Uses

Product Name: Tris Base

Synonyms: OmniPur TRIS -CAS 77-86-1 - Calbiochem;Tris Base, Molecular Biology Grade - CAS 77-86-1 - Calbiochem;Tris Base, ULTROL Grade - CAS 77-86-1 - Calbiochem;Tris Buffer, 1.0 M, pH 8.0, Molecular Biology Grade - CAS 77-86-1 - Calbiochem;Tris Buffer, 100 mM, pH 7.4, Molecular Biology Grade - CAS 77-86-1 - Calbiochem;Tris(Hydroxymethyl)aminomethane (Trometamol) high purity;1-[ethyl(hydroxymethyl)amino]ethane-1,2-diol;TRIS,Tromethamine, Trometamol

CAS: 77-86-1

MF: C4H11NO3

MW: 121.14

EINECS: 201-064-4

Product Categories: tris;Pharmaceutical intermediates;API;ACS Grade Buffers;Amino Alcohols;Biological Buffers;Buffers A to Z;Building Blocks;Chemical Synthesis;Organic Building Blocks;Oxygen Compounds;Buffer;Biochemistry;Reagents for Electrophoresis

Mol File: 77-86-1.mol

Tris Base Structure

Tris Base Chemical Properties

Melting point 167-172 °C(lit.)

Boiling point 219-220 °C10 mm Hg(lit.)

density 1,353 g/cm3

vapor pressure 0.0267 hPa (20 °C)

refractive index 1.4170 (estimate)

Fp 219-220°C/10mm

storage temp. 2-8°C

solubility H2O: 4 M at 20 °C, clear, colorless

form crystalline

color white

PH 10.5-12.0(4 m in water, 25 °C)

PH Range 7 - 9

pka 8.1(at 25℃)

Water Solubility 550 g/L (25 ºC)

λmax λ: 260 nm Amax: 0.10

λ: 280 nm Amax: 0.08

Sensitive Hygroscopic

Merck 14,9772

BRN 741883

Stability: Stable. Incompatible with bases, strong oxidizing agents. Protect from moisture.

InChIKey LENZDBCJOHFCAS-UHFFFAOYSA-N

CAS DataBase Reference 77-86-1(CAS DataBase Reference)

NIST Chemistry Reference 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-(77-86-1)

EPA Substance Registry System Tris(hydroxymethyl)aminomethane (77-86-1)