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358967

Sigma-Aldrich

Tetramethylammonium hydrogensulfate hydrate

98%

Synonym(s):

N,N,N-Trimethyl-methanaminium hydrogensulfate hydrate

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About This Item

Linear Formula:
(CH3)4N(HSO4) · xH2O
CAS Number:
Molecular Weight:
171.22 (anhydrous basis)
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

form

solid

mp

292-295 °C (lit.)

SMILES string

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

InChI

1S/C4H12N.H2O4S.H2O/c2*1-5(2,3)4;/h1-4H3;(H2,1,2,3,4);1H2/q+1;;/p-1

InChI key

VSJXNAHOWBCQRE-UHFFFAOYSA-M

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Application

Tetramethylammonium hydrogensulfate hydrate is generally used as a phase transfer catalyst. It can also be used as a derivatizing agent for gas chromatography-mass spectrometry (GC-MS) applications.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Green oxidation with aqueous hydrogen peroxide.
Noyori R, et al.
Chemical Communications (Cambridge, England), 16, 1977-1986 (2003)
Analysis of chlorophenoxy acid herbicides in water by large-volume on-line derivatization and gas chromatography?mass spectrometry.
Ding W H, et al.
Journal of Chromatography A, 896(1-2), 111-116 (2000)

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