Triisobutyl phosphite
Also known as: tris(2-methylpropyl) phosphite, Phosphorous acid, tris(2-methylpropyl) ester, Isobutyl phosphite ((C4H9O)3P), Phosphorous acid triisobutyl ester, Triisobutylphosphite, 216-528-1
Triisobutyl phosphite (CAS 1606-96-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H27O3P and a molecular weight of 250.31500 g/mol. Key properties include a boiling point of 259.5ºC at 760mmHg and a flash point of 132.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1606-96-8
- Jingsj CID
- J-32279-2
- Molecular Formula
- C12H27O3P
- Molecular Weight
- 250.31500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 259.5ºC at 760mmHg |
|---|---|
| Flash Point | 132.1ºC |
| Exact Mass | 250.17000 |
| PSA | 41.28000 |
| LogP | 4.23110 |
| Vapor Pressure | 0.0209mmHg at 25°C |
Customs & Trade Information
| HS Code | 2920901900 |
|---|---|
| Summary | 2920901900 VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Triisobutyl phosphite?
The CAS number of Triisobutyl phosphite is 1606-96-8.
What are the molecular formula and molecular weight of Triisobutyl phosphite?
Triisobutyl phosphite has molecular formula C12H27O3P and molecular weight 250.31500 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triisobutyl phosphite (CAS 1606-96-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32279-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.