Dipropyl phosphite
Also known as: Di-n-propyl phosphite, Phosphonic acid, dipropyl ester, Dipropyl hydrogen phosphite, Di-n-propylphosphonate, Dipropyl phosphonate
Dipropyl phosphite (CAS 1809-21-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H14O3P and a molecular weight of 166.15500 g/mol. Key properties include a boiling point of 203ºC at 760 mmHg and a flash point of 96.1ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 1809-21-8
- Jingsj CID
- J-1365081-2
- Molecular Formula
- C6H14O3P
- Molecular Weight
- 166.15500 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 203ºC at 760 mmHg |
|---|---|
| Flash Point | 96.1ºC |
| Exact Mass | 166.07600 |
| PSA | 59.00000 |
| LogP | 2.22930 |
| Vapor Pressure | 0.405mmHg at 25°C |
| Refractive Index | n20/D 1.417(lit.) |
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 Dipropyl phosphite?
The CAS number of Dipropyl phosphite is 1809-21-8.
What are the molecular formula and molecular weight of Dipropyl phosphite?
Dipropyl phosphite has molecular formula C6H14O3P and molecular weight 166.15500 g/mol.
What are the upstream and downstream products of Dipropyl phosphite?
For Dipropyl phosphite, Upstream Products: 1-Propanol, Phosphorous acid, tripropyl ester, Sodium propanolate; Downstream Products: Propyl salicylate, Tripropyl phosphate, Dipropyl succinate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dipropyl phosphite (CAS 1809-21-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365081-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.