1,3-Dimethyl-5-phenylbarbituric acid

1,3-二甲基-5-苯基巴比妥酸

Also known as: (5-PHENYL-1,3-DIMETHYL)BARBITURIC ACID, 1,3-DIMETHYL-5-PHENYL-2,4,6(1H,3H,5H)-PYRIMIDINETRIONE, 1,3-Dimethyl-5-phenyl-pyrimidine-2,4,6-trione, 1,3-Dimethyl-5-phenylpyrimidine-2,4,6(1H,3H,5H)-trione, 1,3-dimethyl-5-phenyl-1,3-diazinane-2,4,6-trione, 5-PHENYL-1,3-DIMETHYL-BARBITURIC ACID, AURORA KA-3845, EINECS 230-981-2, MFCD00100797

1,3-Dimethyl-5-phenylbarbituric acid (CAS 7391-66-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O3 and a molecular weight of 232.23500 g/mol. It is also known as (5-PHENYL-1,3-DIMETHYL)BARBITURIC ACID, 1,3-DIMETHYL-5-PHENYL-2,4,6(1H,3H,5H)-PYRIMIDINETRIONE and 1,3-Dimethyl-5-phenyl-pyrimidine-2,4,6-trione. Key properties include a boiling point of 352.7ºC at 760mmHg, a density of 1.274g/cm3 and a flash point of 155.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7391-66-4
Jingsj CID
J-1492445-9
Molecular Formula
C12H12N2O3
Chinese Name
1,3-二甲基-5-苯基巴比妥酸
Molecular Weight
232.23500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point352.7ºC at 760mmHg
Density1.274g/cm3
Flash Point155.2ºC

Frequently Asked Questions

What is the CAS number of 1,3-Dimethyl-5-phenylbarbituric acid?

The CAS number of 1,3-Dimethyl-5-phenylbarbituric acid is 7391-66-4.

What are the molecular formula and molecular weight of 1,3-Dimethyl-5-phenylbarbituric acid?

1,3-Dimethyl-5-phenylbarbituric acid has molecular formula C12H12N2O3 and molecular weight 232.23500 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3-Dimethyl-5-phenylbarbituric acid (CAS 7391-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492445-9 (accessed 2026-10-22).

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