Tetramethylammonium hydrogen phthalate

四甲基邻苯二甲酸氢铵

Also known as: Tetramethylammonium phthalate monobasic, Tetramethylammonium biphthalate, Phthalic acid mono(tetramethylammonium) salt, Mono-tetramethylammonium phthalate, Monotetramethylammonium hydrogen phthalate, Methanaminium, N,N,N-trimethyl-, 1,2-benzenedicarboxylate (1:1), 2-carboxybenzoate, tetramethylazanium

Tetramethylammonium hydrogen phthalate (CAS 79723-02-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H17NO4 and a molecular weight of 239.26800 g/mol. It is also known as Tetramethylammonium phthalate monobasic, Tetramethylammonium biphthalate and Phthalic acid mono(tetramethylammonium) salt. Key property: a melting point of 142-146ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
79723-02-7
Jingsj CID
J-1499013-7
Molecular Formula
C12H17NO4
Chinese Name
四甲基邻苯二甲酸氢铵
Molecular Weight
239.26800 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point142-146ºC

Frequently Asked Questions

What is the CAS number of Tetramethylammonium hydrogen phthalate?

The CAS number of Tetramethylammonium hydrogen phthalate is 79723-02-7.

What are the molecular formula and molecular weight of Tetramethylammonium hydrogen phthalate?

Tetramethylammonium hydrogen phthalate has molecular formula C12H17NO4 and molecular weight 239.26800 g/mol.

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

Last updated:

How to cite: Jingsj. "Tetramethylammonium hydrogen phthalate (CAS 79723-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499013-7 (accessed 2026-10-22).

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