Diisopropyl hydrogen phosphite
Also known as: Diisopropyl phosphite, Diisopropyl hydrogen phosphonate, Diisopropyl phosphonate, Diisopropylphosphine oxide, Isopropyl phosphonate, O,O-Diisopropyl phosphonate, Phosphonic Acid Diisopropyl Ester, Phosphorous Acid Diisopropyl Ester, dipropan-2-yl phosphonate, o,o-diisopropylphosphite, o,o-diisopropylphosphonate
Diisopropyl hydrogen phosphite (CAS 1809-20-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H15O3P and a molecular weight of 166.155 g/mol. Key properties include a boiling point of 195.5±9.0 °C at 760 mmHg, a density of 0.997 and a flash point of 90.3±12.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1809-20-7
- Jingsj CID
- J-29250-2
- Molecular Formula
- C6H15O3P
- Molecular Weight
- 166.155 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 195.5±9.0 °C at 760 mmHg |
|---|---|
| Density | 0.997 |
| Flash Point | 90.3±12.9 °C |
| Exact Mass | 166.075882 |
| PSA | 52.28000 |
| LogP | 0.45 |
| Vapor Pressure | 0.6±0.4 mmHg at 25°C |
| Refractive Index | 1.4065-1.4085 |
| Additional Property | soluble |
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 Diisopropyl hydrogen phosphite?
The CAS number of Diisopropyl hydrogen phosphite is 1809-20-7.
What are the molecular formula and molecular weight of Diisopropyl hydrogen phosphite?
Diisopropyl hydrogen phosphite has molecular formula C6H15O3P and molecular weight 166.155 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. "Diisopropyl hydrogen phosphite (CAS 1809-20-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29250-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.