1,3-Diethyl-2-thiobarbituric acid
1,3-二乙基-2-硫代巴比妥酸
Also known as: 1,3-DIETHYL-2-THIOBARBITURIC ACID, 1,3-Diethyl-2-sulfanylidene-1,3-diazinane-4,6-dione, 1,3-Diethyldihydro-2-thioxopyrimidine-4,6(1H,5H)-dione, 1,3-DETB, Thiobarbital (incorrect, but sometimes used)
1,3-Diethyl-2-thiobarbituric acid (CAS 5217-47-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H19N5O3 and a molecular weight of 413.429 g/mol. It is also known as 1,3-DIETHYL-2-THIOBARBITURIC ACID, 1,3-Diethyl-2-sulfanylidene-1,3-diazinane-4,6-dione and 1,3-Diethyldihydro-2-thioxopyrimidine-4,6(1H,5H)-dione. Key properties include a melting point of 109-112 °C(lit.), a boiling point of 551.3±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 287.2±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5217-47-0
- Jingsj CID
- J-43548-4
- Molecular Formula
- C23H19N5O3
- Chinese Name
- 1,3-二乙基-2-硫代巴比妥酸
- Molecular Weight
- 413.429 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109-112 °C(lit.) |
|---|---|
| Boiling Point | 551.3±50.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 287.2±30.1 °C |
| Exact Mass | 413.148804 |
| PSA | 72.71000 |
| LogP | 4.81 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.670 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H317 — May cause an allergic skin reaction
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,3-Diethyl-2-thiobarbituric acid?
The CAS number of 1,3-Diethyl-2-thiobarbituric acid is 5217-47-0.
What are the molecular formula and molecular weight of 1,3-Diethyl-2-thiobarbituric acid?
1,3-Diethyl-2-thiobarbituric acid has molecular formula C23H19N5O3 and molecular weight 413.429 g/mol.
Is 1,3-Diethyl-2-thiobarbituric acid hazardous?
1,3-Diethyl-2-thiobarbituric acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H317 — May cause an allergic skin reaction.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Diethyl-2-thiobarbituric acid (CAS 5217-47-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43548-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.