Triisobutylphosphine sulfide
Also known as: Cyanex-471X, NSC 222464, Phosphine sulfide, tris(2-methylpropyl)-, Phosphinesulfide, triisobutyl-, Phosphorane, tris(2-methylpropyl)-, sulfide, TIBPS, Tri-i-butylphosphine sulfide, Triisobutylphosphine sulphide, Triisobutyl-phosphinsulfid, Tris(2-methylpropyl)phosphine sulfide, tris(2-methylpropyl)-sulfanylidene-λ5-phosphane
Triisobutylphosphine sulfide (CAS 3982-87-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H27PS and a molecular weight of 234.382 g/mol. Key properties include a melting point of 57-60ºC, a boiling point of 288.3±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 128.1±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3982-87-4
- Jingsj CID
- J-1602032-9
- Molecular Formula
- C12H27PS
- Molecular Weight
- 234.382 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 57-60ºC |
|---|---|
| Boiling Point | 288.3±23.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 128.1±22.6 °C |
| Exact Mass | 234.157104 |
| PSA | 41.90000 |
| LogP | 3.07 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.464 |
Frequently Asked Questions
What is the CAS number of Triisobutylphosphine sulfide?
The CAS number of Triisobutylphosphine sulfide is 3982-87-4.
What are the molecular formula and molecular weight of Triisobutylphosphine sulfide?
Triisobutylphosphine sulfide has molecular formula C12H27PS and molecular weight 234.382 g/mol.
What are the upstream and downstream products of Triisobutylphosphine sulfide?
For Triisobutylphosphine sulfide, Upstream Products: isobutylmagnesium bromide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triisobutylphosphine sulfide (CAS 3982-87-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1602032-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.