Tris(3-hydroxypropyl)phosphine oxide
三(3-羟基丙基)氧化膦
Also known as: 1-Propanol, 3,3',3''-phosphinylidynetris-, 3,3',3''-Phosphinylidynetris(1-propanol), 3,3',3''-phosphoryltripropan-1-ol, 3-[bis(3-hydroxypropyl)phosphoryl]propan-1-ol, HISHICOLIN PO-500, PO 500, FR-T, C 300, THP oxide, LR-670 A Flame retardant for PCB & Resin
Tris(3-hydroxypropyl)phosphine oxide (CAS 51805-42-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H21O4P and a molecular weight of 224.23400 g/mol. It is also known as 1-Propanol, 3,3',3''-phosphinylidynetris-, 3,3',3''-Phosphinylidynetris(1-propanol) and 3,3',3''-phosphoryltripropan-1-ol. Key properties include a boiling point of 506ºC at 760 mmHg, a density of 1.157g/cm3 and a flash point of 259.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51805-42-6
- Jingsj CID
- J-1088437-1
- Molecular Formula
- C9H21O4P
- Chinese Name
- 三(3-羟基丙基)氧化膦
- Molecular Weight
- 224.23400 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 506ºC at 760 mmHg |
|---|---|
| Density | 1.157g/cm3 |
| Flash Point | 259.8ºC |
Frequently Asked Questions
What is the CAS number of Tris(3-hydroxypropyl)phosphine oxide?
The CAS number of Tris(3-hydroxypropyl)phosphine oxide is 51805-42-6.
What are the molecular formula and molecular weight of Tris(3-hydroxypropyl)phosphine oxide?
Tris(3-hydroxypropyl)phosphine oxide has molecular formula C9H21O4P and molecular weight 224.23400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tris(3-hydroxypropyl)phosphine oxide (CAS 51805-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088437-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.