Diammonium phthalate

邻苯二甲酸铵

Also known as: 1,2-Benzenedicarboxylic acid, diammonium salt, Ammonium phthalate, Ammonium o-phthalate, Diammonium o-phthalate, 1,2-Benzenedicarboxylicacid, diammonium salt

Diammonium phthalate (CAS 523-24-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H12N2O4 and a molecular weight of 200.19200 g/mol. It is also known as 1,2-Benzenedicarboxylic acid, diammonium salt, Ammonium phthalate and Ammonium o-phthalate. Key properties include a boiling point of 378.3ºC at 760 mmHg and a flash point of 196.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
523-24-0
Jingsj CID
J-1358674-4
Molecular Formula
C8H12N2O4
Chinese Name
邻苯二甲酸铵
Molecular Weight
200.19200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point378.3ºC at 760 mmHg
Flash Point196.7ºC

Frequently Asked Questions

What is the CAS number of Diammonium phthalate?

The CAS number of Diammonium phthalate is 523-24-0.

What are the molecular formula and molecular weight of Diammonium phthalate?

Diammonium phthalate has molecular formula C8H12N2O4 and molecular weight 200.19200 g/mol.

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

Last updated:

How to cite: Jingsj. "Diammonium phthalate (CAS 523-24-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1358674-4 (accessed 2026-10-25).

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