Trimethylolpropane phosphite
三羟甲基丙烷亚磷酸酯
Also known as: 4-Ethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane, 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane, 1,1,1-Trishydroxymethylpropane bicyclic phosphite, 2-(Hydroxymethyl)-2-ethyl-1,3-propanediol cyclic phosphite
Trimethylolpropane phosphite (CAS 824-11-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11O3P and a molecular weight of 162.12400 g/mol. It is also known as 4-Ethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane, 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane and 1,1,1-Trishydroxymethylpropane bicyclic phosphite. Key properties include a melting point of 50-55ºC, a boiling point of 147.9ºC at 760 mmHg and a flash point of 44.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 824-11-3
- Jingsj CID
- J-11107-0
- Molecular Formula
- C6H11O3P
- Chinese Name
- 三羟甲基丙烷亚磷酸酯
- Molecular Weight
- 162.12400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 50-55ºC |
|---|---|
| Boiling Point | 147.9ºC at 760 mmHg |
| Flash Point | 44.8ºC |
Frequently Asked Questions
What is the CAS number of Trimethylolpropane phosphite?
The CAS number of Trimethylolpropane phosphite is 824-11-3.
What are the molecular formula and molecular weight of Trimethylolpropane phosphite?
Trimethylolpropane phosphite has molecular formula C6H11O3P and molecular weight 162.12400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylolpropane phosphite (CAS 824-11-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11107-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.