Pseudothiohydantoin
假硫代乙内酰脲
Also known as: 2-amino-1,3-thiazol-4(5H)-one, 2-imino-1,3-thiazolidin-4-one, 2-imino-4-thiazolidinone, 2-amino-4,5-dihydro-1,3-thiazol-4-one, 4(5H)-Thiazolone, 2-amino-, 2-Imino-4-thiazolidone, 2-Thiazolin-4-one, 2-imino-, 2-aminothiazol-4(5H)-one, 2-iminothiazolidin-4-one, 2-amino-4-thiazolidinone, BUTTPARK 1487-35, EINECS 209-145-6, MFCD00003186, USAF dm-1
Pseudothiohydantoin (CAS 556-90-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H4N2OS and a molecular weight of 116.142 g/mol. It is also known as 2-amino-1,3-thiazol-4(5H)-one, 2-imino-1,3-thiazolidin-4-one and 2-imino-4-thiazolidinone. Key properties include a melting point of 249ºC, a boiling point of 253.5±23.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 107.1±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 556-90-1
- Jingsj CID
- J-49540-2
- Molecular Formula
- C3H4N2OS
- Chinese Name
- 假硫代乙内酰脲
- Molecular Weight
- 116.142 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 249ºC |
|---|---|
| Boiling Point | 253.5±23.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 107.1±22.6 °C |
Frequently Asked Questions
What is the CAS number of Pseudothiohydantoin?
The CAS number of Pseudothiohydantoin is 556-90-1.
What are the molecular formula and molecular weight of Pseudothiohydantoin?
Pseudothiohydantoin has molecular formula C3H4N2OS and molecular weight 116.142 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pseudothiohydantoin (CAS 556-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49540-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.