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178780

Tetrabutylammonium hydroxide solution

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40 wt. % in H₂O, solution

Synonym(s):

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

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About This Item

Linear Formula:
(CH3CH2CH2CH2)4N(OH)
CAS Number:
2052-49-5
Molecular Weight:
259.47
NACRES:
NA.21
PubChem Substance ID:
24850769
UNSPSC Code:
12352100
MDL number:
MFCD00009425
Beilstein/REAXYS Number:
3571228
Concentration:
40 wt. % in H2O
Form:
liquid
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Product Name

Tetrabutylammonium hydroxide solution, 40 wt. % in H2O

form

liquid

Quality Level

200

reaction suitability

core: ammonium

greener alternative product characteristics

Catalysis
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concentration

40 wt. % in H2O

refractive index

n20/D 1.405

pH

14 (100 °C)

solubility

water: soluble

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

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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.
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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.

Disclaimer

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

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN9301
SHBT0387
SHBS8091
BCCM9822
BCCM4177

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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)
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Global Trade Item Number

SKUGTIN
178780-2.5L04061837548611
178780-1L04061837548604
178780-250ML04061837548628
178780-50ML04061837548635

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