CAS #:

Linear Formula:

(CH3)4N(OH) · 2SiO2

MDL Number:


EC No.:



(2N) 99% Tetramethylammonium Silicate Solution
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(3N) 99.9% Tetramethylammonium Silicate Solution
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(4N) 99.99% Tetramethylammonium Silicate Solution
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(5N) 99.999% Tetramethylammonium Silicate Solution
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Tetramethylammonium Silicate Solution Properties (Theoretical)

Compound Formula C4H13NO5Si2
Molecular Weight 211.32
Appearance Colorless Liquid
Melting Point N/A
Boiling Point N/A
Density 1.070 g/mL
Solubility in H2O N/A
Exact Mass 388.344483
Monoisotopic Mass 388.344483

Tetramethylammonium Silicate Solution Health & Safety Information

Signal Word Danger
Hazard Statements H314
Hazard Codes C
Precautionary Statements P280-P305+P351+P338-P310
Risk Codes 34
Safety Statements 26-36/37/39-45
RTECS Number N/A
Transport Information UN 3267 8 / PGII
WGK Germany 3
GHS Pictograms

About Tetramethylammonium Silicate Solution

Tetramethylammonium Silicate Solution is one of numerous organo-metallic compounds sold by American Elements under the trade name AE Organo-Metallics™ for uses requiring non-aqueous solubility such as recent solar energy and water treatment applications. Similar results can sometimes also be achieved with Nanoparticles and by thin film deposition. Note American Elements additionally supplies many materials as solutions. Tetramethylammonium Silicate Solution is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. Additional technical, research and safety information is available.

Tetramethylammonium Silicate Solution Synonyms

Tetramethyl ammonium silicate, TMA silicate

Chemical Identifiers

Linear Formula (CH3)4N(OH) · 2SiO2
MDL Number MFCD00467080
EC No. N/A
Beilstein/Reaxys No. N/A
Pubchem CID 16212866
IUPAC Name dioxosilane; tetramethylazanium; hydroxide
SMILES C[N+](C)(C)C.[OH-].O=[Si]=O.O=[Si]=O
InchI Identifier InChI=1S/C4H12N.2O2Si.H2O/c1-5(2,3)4;2*1-3-2;/h1-4H3;;;1H2/q+1;;;/p-1

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements


See more Nitrogen products. Nitrogen is a Block P, Group 15, Period 2 element. Its electron configuration is [He]2s22p3. Nitrogen is an odorless, tasteless, colorless and mostly inert gas. It is the seventh most abundant element in the universe and it constitutes 78.09% (by volume) of Earth's atmosphere. Nitrogen was discovered by Daniel Rutherford in 1772.


See more Silicon products. Silicon (atomic symbol: Si, atomic number: 14) is a Block P, Group 14, Period 3 element with an atomic weight of 28.085. Silicon Bohr MoleculeThe number of electrons in each of Silicon's shells is 2, 8, 4 and its electron configuration is [Ne] 3s2 3p2. The silicon atom has a radius of 111 pm and a Van der Waals radius of 210 pm. Silicon was discovered and first isolated by Jöns Jacob Berzelius in 1823. Silicon makes up 25.7% of the earth's crust, by weight, and is the second most abundant element, exceeded only by oxygen. The metalloid is rarely found in pure crystal form and is usually produced from the iron-silicon alloy ferrosilicon. Elemental SiliconSilica (or silicon dioxide), as sand, is a principal ingredient of glass, one of the most inexpensive of materials with excellent mechanical, optical, thermal, and electrical properties. Ultra high purity silicon can be doped with boron, gallium, phosphorus, or arsenic to produce silicon for use in transistors, solar cells, rectifiers, and other solid-state devices which are used extensively in the electronics industry.The name Silicon originates from the Latin word silex which means flint or hard stone.


January 29, 2023
Los Angeles, CA
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