Skip to Content
MilliporeSigma
All Photos(2)

Key Documents

View All Documentation

178780

Sigma-Aldrich

Tetrabutylammonium hydroxide solution

greener alternative

40 wt. % in H2O

Synonym(s):

N,N,N-Tributyl-1-butanaminium hydroxide, TBAH 40, Tetra-n-butylammonium hydroxide

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
(CH3CH2CH2CH2)4N(OH)
CAS Number:
2052-49-5
Molecular Weight:
259.47
Beilstein/REAXYS Number:
3571228
MDL number:
MFCD00009425
UNSPSC Code:
12352100
PubChem Substance ID:
24850769
NACRES:
NA.21

form

liquid

Quality Level

200

greener alternative product characteristics

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

concentration

40 wt. % in H2O

refractive index

n20/D 1.405

density

0.99 g/mL at 25 °C

functional group

amine

greener alternative category

Aligned,

SMILES string

[OH-].CCCC[N+](CCCC)(CCCC)CCCC

InChI

1S/C16H36N.H2O/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H2/q+1;/p-1

InChI key

VDZOOKBUILJEDG-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Tetrabutylammonium hydroxide is a quaternary ammonium salt mainly used as a strong base and phase-transfer catalyst. It can be synthesized from tetrabutylammonium iodide.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is highly effcient and enhance catalytic efficiency. Click here for more information.

Application

Tetrabutylammonium hydroxide solution (TBAOH) may be used in the following studies:
  • For the dissolution of 10wt% cellulose under room temperature conditions.
  • As a catalyst during the synthesis of 1,2,4-oxadiazoles.
  • Preparation of TBAOH salts of fatty acids.

Caution

May crystallize below 30°C
Gentle warming and swirling should redissolve the solid

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCM9822
BCCM4177
BCCL0432
BCCJ8688
BCCH7172

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Tetrabutylammonium Hydroxide
Bos ME.
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2001)
Construction of 3, 5-substituted 1, 2, 4-oxadiazole rings triggered by tetrabutylammonium hydroxide: a highly efficient and fluoride-free ring closure reaction of O-acylamidoximes.
Otaka H, et al.
Tetrahedron Letters, 55(5), 979-981 (2014)
B B Y Lau et al.
Bioresource technology, 197, 252-259 (2015-09-08)
Aqueous solutions of tetrabutylphosphonium hydroxide have been evaluated as pretreatment media for rice husks, prior to sulphuric acid hydrolysis or cellulase enzymatic hydrolysis. Varying the water:tetrabutylphosphonium hydroxide ratio varied the rate of delignification, as well as silica, lignin and cellulose
Tetrabutylammonium Hydroxide as Titrant for Acids in Nonaqueous Solutions.
Cundiff RH and Markunas PC.
Analytical Chemistry, 28(5), 792-797 (1956)
Foaming and emulsifying properties of fatty acids neutralized by tetrabutylammonium hydroxide.
Fameau AL, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 403, 87-95 (2012)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service