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Merck
CN

426318

Tetramethylammonium hydroxide solution

1.0 M±0.02 M in H₂O, solution, ACS reagent grade

Synonym(s):

N,N,N-trimethyl-methanaminium hydroxide, TMAH, TMAOH

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About This Item

Linear Formula:
(CH3)4N(OH)
CAS Number:
75-59-2
Molecular Weight:
91.15
NACRES:
NA.21
PubChem Substance ID:
24866695
UNSPSC Code:
12352100
MDL number:
MFCD00008280
Beilstein/REAXYS Number:
3558708

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Product Name

Tetramethylammonium hydroxide solution, ACS reagent

InChI

1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1

SMILES string

[OH-].C[N+](C)(C)C

InChI key

WGTYBPLFGIVFAS-UHFFFAOYSA-M

grade

ACS reagent

form

liquid

concentration

1.0 M±0.02 M in H2O

ign. residue

≤5 ppm

color

APHA: ≤10

refractive index

n20/D 1.3497

bp

100 °C

density

1.005 g/mL at 25 °C

anion traces

chloride (Cl-): ≤0.03%

cation traces

K: ≤2 ppm
Na: ≤2 ppm

functional group

amine

Quality Level

200

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Application

Tetramethylammonium hydroxide solution can be used as:
  • A reagent in the organocatalyzed photoinduced Birch reduction of arenes to 1,4-cyclohexadienes.
  • A catalyst to synthesize 1,2-dihydro-1-arylnaphtho-oxazine-3-one derivatives via one-pot three-component condensation reaction of 2-naphthol, aromatic aldehydes, and urea.
  • A peptizing agent for magnetite nanoparticles to promote repulsive stabilization forces.
  • A template in the hydrothermal synthesis of hierarchical zeolite T aggregates with different sizes.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - STOT RE 2 Dermal - STOT SE 2

target_organs

Central nervous system, Liver,thymus

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW5220
MKCV2454
MKCS1253
MKCQ2224
MKCN0479

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Mei Fang et al.
Nanotechnology, 23(14), 145601-145601 (2012-03-22)
Magnetite nanoparticles have been prepared by co-precipitation using a custom-designed jet mixer to achieve rapid mixing (RM) of reactants in a timescale of milliseconds. The quick and stable nucleation obtained allows control of the particle size and size distribution via
Man Xu et al.
Environmental science & technology, 47(1), 110-118 (2012-06-12)
Elucidating dissolution kinetics and mechanisms at carbonate mineral-water interfaces is essential to many environmental and geochemical processes, including geologic CO(2) sequestration in deep aquifers. In the present work, effects of background electrolytes on dolomite (CaMg(CO(3))(2)) reactivity were investigated by measuring
L Lemée et al.
Bioresource technology, 117, 234-241 (2012-05-24)
Lignocellulosic biomass was submitted to a biological pretreatment prior to a catalytic hydroliquefaction in order to produce biofuel. The biodegradation process was conducted over 3 months in a reactor under controlled conditions. During the biodegradation process the organic matter was
N Kodiah Beyeh et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(18), 5552-5557 (2012-04-11)
The non-covalent interactions of different upper-rim-substituted C(2)-resorcinarenes with tetramethylammonium salts were analyzed in the gas phase in an Electrospray Ionization Fourier-transform ion-cyclotron-resonance (ESI-FTICR) mass spectrometer and by (1)H NMR titrations. The order of binding strengths of the hosts towards the
M R Faria et al.
International journal of pharmaceutics, 446(1-2), 183-190 (2013-02-21)
This work assesses the characteristics of magnetoliposomes of soybean phosphatidylcholine (SPC):cholesterol (Chol) loaded with superparamagnetic iron oxide nanoparticles (IONPs) stabilized with tetramethylammonium hydroxide (TMAOH) and their capacity to enhance magnetic resonance imaging (MRI) contrast. Magnetoliposomes of SPC were used for
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