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87726

Sigma-Aldrich

Tetramethylammonium hydrogen sulfate monohydrate

crystallized, ≥98.0% (T)

Synonym(s):

N,N,N-trimethyl-methanaminium sulfate hydrate

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About This Item

Linear Formula:
(CH3)4N(HSO4) · H2O
CAS Number:
103812-00-6
Molecular Weight:
189.23
Beilstein/REAXYS Number:
4829202
MDL number:
MFCD00150356
UNSPSC Code:
12352116
PubChem Substance ID:
57653262
NACRES:
NA.22

Quality Level

100

assay

≥98.0% (T)

form

crystals

quality

crystallized

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

General description

Crystals of tetramethylammonium hydrogen sulfate monohydrate generally exhibit ferroelectricity in the temperature range from -104 °C to 40 °C.

Application

Tetramethylammonium hydrogen sulfate monohydrate can be used as a phase transfer catalyst in polymer synthesis.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Spontaneous polymer thin film assembly and organization using mutually immiscible side chains.
Sun, F et al.
Journal of the American Chemical Society, 118(8), 1856-1866 (1996)
Ferroelectric properties of tetramethylammonium hydrogen sulfate hydrate (N(CH3)?4HSO4.H2O).
Suzuki, Haruhiko et al.
Jpn J. App. Phys., Part I, 24, 353-355 (1985)

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