Diisobutyl phosphite
Also known as: DIISOBUTYL PHOSPHITE, Diisobutyl Phosphonate, Phosphonic Acid Diisobutyl Ester, Phosphorous Acid Diisobutyl Ester, bis(2-methylpropoxy)-oxophosphanium, Bis(2-methylpropyl) phosphonate, Di-isobutyl hydrogen phosphate
Diisobutyl phosphite (CAS 1189-24-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H19O3P and a molecular weight of 194.20800 g/mol. Key properties include a boiling point of 138 °C / 55mmHg and a density of 0.98. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1189-24-8
- Jingsj CID
- J-42698-9
- Molecular Formula
- C8H19O3P
- Molecular Weight
- 194.20800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 138 °C / 55mmHg |
|---|---|
| Density | 0.98 |
| Exact Mass | 194.10700 |
| PSA | 52.28000 |
| LogP | 2.55080 |
| Vapor Pressure | 0.073mmHg at 25°C |
| Refractive Index | 1.4180-1.4220 |
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 Diisobutyl phosphite?
The CAS number of Diisobutyl phosphite is 1189-24-8.
What are the molecular formula and molecular weight of Diisobutyl phosphite?
Diisobutyl phosphite has molecular formula C8H19O3P and molecular weight 194.20800 g/mol.
What are the upstream and downstream products of Diisobutyl phosphite?
For Diisobutyl phosphite, Upstream Products: 2-Methyl-1-propanol, Triisobutyl phosphite, Propylamine; Downstream Products: Diisobutyl methylphosphonate, Triisobutyl phosphite.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diisobutyl phosphite (CAS 1189-24-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42698-9 (accessed 2026-10-29).
Data for reference only; verify product details with suppliers before purchase.