1-Methyl-3-propyl-2-thiobarbituric acid

1-甲基-3-丙基-2-硫代巴比妥酸

Also known as: Dihydro-1-methyl-3-propyl-2-thioxo-4,6(1H,5H)-Pyrimidinedione, 1-Methyl-3-propyl-2-thioxodihydro-4,6(1H,5H)-pyrimidinedione, 4,6(1H,5H)-Pyrimidinedione, dihydro-1-methyl-3-propyl-2-thioxo-, 1-methyl-3-propyl-2-sulfanylidene-1,3-diazinane-4,6-dione

1-Methyl-3-propyl-2-thiobarbituric acid (CAS 57481-65-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H12N2O2S and a molecular weight of 200.25800 g/mol. It is also known as Dihydro-1-methyl-3-propyl-2-thioxo-4,6(1H,5H)-Pyrimidinedione, 1-Methyl-3-propyl-2-thioxodihydro-4,6(1H,5H)-pyrimidinedione and 4,6(1H,5H)-Pyrimidinedione, dihydro-1-methyl-3-propyl-2-thioxo-. Key properties include a boiling point of 273ºC, a density of 1.29 and a flash point of 119ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
57481-65-9
Jingsj CID
J-874330-5
Molecular Formula
C8H12N2O2S
Chinese Name
1-甲基-3-丙基-2-硫代巴比妥酸
Molecular Weight
200.25800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point273ºC
Density1.29
Flash Point119ºC

Frequently Asked Questions

What is the CAS number of 1-Methyl-3-propyl-2-thiobarbituric acid?

The CAS number of 1-Methyl-3-propyl-2-thiobarbituric acid is 57481-65-9.

What are the molecular formula and molecular weight of 1-Methyl-3-propyl-2-thiobarbituric acid?

1-Methyl-3-propyl-2-thiobarbituric acid has molecular formula C8H12N2O2S and molecular weight 200.25800 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Methyl-3-propyl-2-thiobarbituric acid (CAS 57481-65-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-874330-5 (accessed 2026-10-24).

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