Tetramethylammonium fluoride tetrahydrate

四甲基氟化铵四水合物

Also known as: Tetramethylammonium fluoride tetrahydrate (8CI,9CI), Methanaminium, N,N,N-trimethyl-, fluoride, tetrahydrate (9CI), Tetramethylazanium fluoride tetrahydrate, N,N,N-Trimethylmethanaminium fluoride tetrahydrate, Tetramethylammonium fluoride.4H2O, [M4N]F

Tetramethylammonium fluoride tetrahydrate (CAS 17787-40-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H20FNO4 and a molecular weight of 165.204 g/mol. It is also known as Tetramethylammonium fluoride tetrahydrate (8CI,9CI), Methanaminium, N,N,N-trimethyl-, fluoride, tetrahydrate (9CI) and Tetramethylazanium fluoride tetrahydrate. Key properties include a melting point of 39-42 °C(lit.) and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17787-40-5
Jingsj CID
J-36883-8
Molecular Formula
C4H20FNO4
Chinese Name
四甲基氟化铵四水合物
Molecular Weight
165.204 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point39-42 °C(lit.)
Flash Point>230 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Tetramethylammonium fluoride tetrahydrate?

The CAS number of Tetramethylammonium fluoride tetrahydrate is 17787-40-5.

What are the molecular formula and molecular weight of Tetramethylammonium fluoride tetrahydrate?

Tetramethylammonium fluoride tetrahydrate has molecular formula C4H20FNO4 and molecular weight 165.204 g/mol.

Is Tetramethylammonium fluoride tetrahydrate hazardous?

Tetramethylammonium fluoride tetrahydrate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Tetramethylammonium fluoride tetrahydrate (CAS 17787-40-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36883-8 (accessed 2026-10-23).

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