Tetramethylammonium silicate

四甲基硅酸铵

Also known as: Tetramethylammonium silicate solution, Tetramethylammonium silicate, 16-20% in water, Tetramethylazanium silicate, Tetramethylammoniumsilicate,16%w/vaq.soln., Tetramethylammonium silicate, 45% w/v Aqueous Colloidal Solution, TETRAMETHYLAMMONIUM SILICATE, 18% AQUEOUS SOLUTION, TETRAMETHYLAMMONIUM SILICATE, 15-20 WT. % SOLUTION IN WATER, 99.99+%

Tetramethylammonium silicate (CAS 53116-81-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H48N4O4Si and a molecular weight of 388.66200 g/mol. It is also known as Tetramethylammonium silicate solution, Tetramethylammonium silicate, 16-20% in water and Tetramethylazanium silicate. Key property: a density of 1.072 g/mL at 25ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 53116-81-7
Jingsj CID: J-26662-2
Molecular Formula: C₁₆H₄₈N₄O₄Si
Chinese Name: 四甲基硅酸铵
Molecular Weight: 388.66200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.072 g/mL at 25ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Tetramethylammonium silicate?

The CAS number of Tetramethylammonium silicate is 53116-81-7.

What are the molecular formula and molecular weight of Tetramethylammonium silicate?

Tetramethylammonium silicate has molecular formula C16H48N4O4Si and molecular weight 388.66200 g/mol.

Is Tetramethylammonium silicate hazardous?

Tetramethylammonium silicate has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Tetramethylammonium silicate (CAS 53116-81-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26662-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.