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86880 Sigma-Aldrich

Tetrabutylammonium hydroxide solution

technical, ~40% in H2O (~1.5 M)

  • CAS Number 2052-49-5

  • Linear Formula (CH3CH2CH2CH2)4N(OH)

  • Molecular Weight 259.47

  •  Beilstein Registry Number 3571228

  •  MDL number MFCD00009425

  •  PubChem Substance ID 329769336

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Properties

Related Categories Acids & Bases, Ammonium Salts, Bases, Chemical Synthesis, Essential Chemicals,
InChI Key   VDZOOKBUILJEDG-UHFFFAOYSA-M
grade   technical
concentration   ~40% in H2O (~1.5 M)
impurities   ≤3% halides (as bromide)
density   0.995 g/cm3
anion traces   sulfate (SO42-): ≤3000 mg/kg

Description

Caution

may crystallize; can be redissolved on heating to 40°C

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.

General description

The product is ~40% solution of tetrabutylammonium hydroxide in H2O. Tetrabutylammonium hydroxide has been synthesized from tetrabutylammonium iodide. TBAOH dissolved in anhydrous isopropyl alcohol is widely employed as titrant for weak acids.

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Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3267 8 / PGII
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles

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Peer-Reviewed Papers
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