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Sigma-Aldrich

Tetrabutylammonium bisulfate

puriss., ≥99.0% (T)

Synonym(s):

Tetrabutylammonium hydrogen sulfate

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About This Item

Linear Formula:
(CH3CH2CH2CH2)4N(HSO4)
CAS Number:
32503-27-8
Molecular Weight:
339.53
Beilstein/REAXYS Number:
3599663
EC Number:
251-068-5
MDL number:
MFCD00011637
UNSPSC Code:
12352100
PubChem Substance ID:
57653204
NACRES:
NA.21

grade

puriss.

Quality Level

200

assay

≥99.0% (T)

form

crystals

mp

169-173 °C

solubility

H2O: soluble 10 % (w/v), clear, colorless

SMILES string

OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC

InChI

1S/C16H36N.H2O4S/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-5(2,3)4/h5-16H2,1-4H3;(H2,1,2,3,4)/q+1;/p-1

InChI key

SHFJWMWCIHQNCP-UHFFFAOYSA-M

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General description

Tetrabutylammonium bisulfate, a quaternary ammonium salt, is a phase-transfer reagent.

Application

Tetrabutylammonium bisulfate may be employed in the following studies:
  • As a catalyst during the synthesis of β-amino alcohols and 1,2-diols.
  • As a phase transfer catalyst for the synthesis of asymmetrical ethers.
  • To compose the mobile phase for use in high performance liquid chromatographic (HPLC) analysis.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 2

flash_point_f

348.1 °F - closed cup

flash_point_c

175.6 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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