2-Isocyanatothiophene
2-噻吩异氰酸酯
Also known as: 2-Thienyl isocyanate, Thien-2-yl isocyanate, Thiophen-2-isocyanate, 2-Isocyanatothiophene, 2-Thienyl isocyanate 85%, MFCD02677700
2-Isocyanatothiophene (CAS 2048-57-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3NOS and a molecular weight of 125.148 g/mol. It is also known as 2-Thienyl isocyanate, Thien-2-yl isocyanate and Thiophen-2-isocyanate. Key properties include a melting point of 108-110ºC, a boiling point of 161.5±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 51.5±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2048-57-9
- Jingsj CID
- J-1071877-1
- Molecular Formula
- C5H3NOS
- Chinese Name
- 2-噻吩异氰酸酯
- Molecular Weight
- 125.148 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 108-110ºC |
|---|---|
| Boiling Point | 161.5±13.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 51.5±19.8 °C |
Frequently Asked Questions
What is the CAS number of 2-Isocyanatothiophene?
The CAS number of 2-Isocyanatothiophene is 2048-57-9.
What are the molecular formula and molecular weight of 2-Isocyanatothiophene?
2-Isocyanatothiophene has molecular formula C5H3NOS and molecular weight 125.148 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Isocyanatothiophene (CAS 2048-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071877-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.