Di-tert-butylphosphine
二叔丁基膦
Also known as: Phosphine, di-tert-butyl-, Bis(2-methyl-2-propanyl)phosphine, Di-tert-butylphosphin, Di-t-butylphosphine, HP(t-Bu)2, ditert-butylphosphane, MFCD00134241
Di-tert-butylphosphine (CAS 819-19-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H19P and a molecular weight of 146.210 g/mol. It is also known as Phosphine, di-tert-butyl-, Bis(2-methyl-2-propanyl)phosphine and Di-tert-butylphosphin. Key properties include a melting point of -17°C, a boiling point of 165.1±9.0 °C at 760 mmHg, a density of 0.79 g/mL at 25ºC(lit.) and a flash point of -18.3±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 819-19-2
- Jingsj CID
- J-9119-0
- Molecular Formula
- C8H19P
- Chinese Name
- 二叔丁基膦
- Molecular Weight
- 146.210 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -17°C |
|---|---|
| Boiling Point | 165.1±9.0 °C at 760 mmHg |
| Density | 0.79 g/mL at 25ºC(lit.) |
| Flash Point | -18.3±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Di-tert-butylphosphine?
The CAS number of Di-tert-butylphosphine is 819-19-2.
What are the molecular formula and molecular weight of Di-tert-butylphosphine?
Di-tert-butylphosphine has molecular formula C8H19P and molecular weight 146.210 g/mol.
Is Di-tert-butylphosphine hazardous?
Di-tert-butylphosphine has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Di-tert-butylphosphine (CAS 819-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9119-0 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.