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Tetrabutylammonium hydroxide

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Tetrabutylammonium hydroxide Basic information

Product Name:
Tetrabutylammonium hydroxide
Synonyms:
  • 1-Butanaminium,N,N,N-tributyl-,hydroxide
  • 1-ButanaminiumN,N,N-tributyl-,hydroxide
  • aqueoussolution
  • n,n,n-tributyl-1-butanaminiuhydroxide
  • TBAOH (40% in Water)
  • n,n,n-tributyl-1-butanaminiumhydroxide
  • IPC-TBA-OH
  • Tetrabutylammonium Hydroxide (10% in Methanol) [for non-aqueous titration]
CAS:
2052-49-5
MF:
C16H37NO
MW:
259.47
EINECS:
218-147-6
Product Categories:
  • quarternary ammonium bases
  • Ion-pair Reagents
  • AnionicHPLC
  • Chromatography/CE Reagents
  • Ion Pair
  • Ion Pair Reagents
  • Ammonium Hydroxides (Quaternary)
  • Analytical Chemistry
  • HPLC Ion-Pair Reagents for Acidic Samples
  • Volumetric Solutions
  • Ion Pair Reagents - Anionic Concentrate
  • Ion Pair Reagents - Anionic
  • Reagent Grade
  • metal hydroxide
  • By Reference Material
  • Reference Material Perchloric acidVolumetric Solutions
  • AmmoniumChemical Synthesis
  • Chemical Synthesis
  • Ionic Liquids
  • Organic Bases
  • Synthetic Reagents
  • Organic BasesVolumetric Solutions
  • ACS GradeChemical Synthesis
  • Essential Chemicals
  • Routine Reagents
  • S - Z
  • Base Solutions
  • Titration
  • Organic BasesEssential Chemicals
  • Reagent GradeVolumetric Solutions
  • Ion-Pair Reagents for HPLC
  • Quaternary Ammonium Compounds
  • S - ZTitration
  • Solutions for non-aqueous titrations
  • Salt Solutions
Mol File:
2052-49-5.mol
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Tetrabutylammonium hydroxide Chemical Properties

Melting point:
27-30 °C(lit.)
Boiling point:
100 °C
Density 
0.995
vapor density 
1 (vs air)
vapor pressure 
2.3 kPa (@ 20°C)
refractive index 
1.4
Flash point:
7°C
storage temp. 
Store below +30°C.
solubility 
Miscible with organic solvents.
form 
Solution
Specific Gravity
0.8586
color 
APHA: ≤30
Odor
Odorless
PH Range
14
Water Solubility 
Soluble in water, methanol.
Sensitive 
Air Sensitive/Hygroscopic
BRN 
3571228
Exposure limits
ACGIH: TWA 200 ppm; STEL 250 ppm (Skin)
OSHA: TWA 200 ppm(260 mg/m3)
NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3)
Stability:
Volatile
InChIKey
VDZOOKBUILJEDG-UHFFFAOYSA-M
LogP
1.517 at 25℃
CAS DataBase Reference
2052-49-5(CAS DataBase Reference)
EPA Substance Registry System
1-Butanaminium, N,N,N-tributyl-, hydroxide (2052-49-5)
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Safety Information

Hazard Codes 
C,T,F,Xn
Risk Statements 
34-36/38-23/24/25-11-67-39/23/24/25-36-65-63-38-48/20-35-20/21/22-10-68/20/21/22
Safety Statements 
7-16-26-36/37/39-45-36/37-62-27
RIDADR 
UN 3267 8/PG 2
WGK Germany 
1
RTECS 
BS5425000
9-34
Hazard Note 
Highly Flammable/Toxic/Corrosive/Air Sensitive/Hygroscopic
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29239000

MSDS

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Tetrabutylammonium hydroxide Usage And Synthesis

Chemical Properties

Aqueous solution.

Uses

Tetrabutylammonium hydroxide(TBAOH) is a quaternary ammonium salt mainly used as a strong base and phase-transfer catalyst. TBAOH may be used as an ion-pairing reagent in mobile phase preparation for reverse phase ion-pair high performance liquid chromatography during chromium (III) and chromium (VI) determination.

Preparation

Tetrabutylammonium hydroxide was prepared by the ion exchange between gel type strong basic anion exchange resin(OH-) and aqueous solution of tetrabutylammonium bromide.

General Description

The product is 54.0-56.0% 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.

Flammability and Explosibility

Flammable

Tetrabutylammonium hydroxide Preparation Products And Raw materials

Preparation Products

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