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Dioctyl phosphonate

Also known as: Di(n-octyl)phosphite, Dioctyl hydrogen phosphite, Dioctyl phosphite, dioctyl phosphonate, Dioctylphosphit, Dioctylphosphonat, Phosphonic acid, dioctyl ester, Phosphorous acid dioctyl ester, dioctoxy(oxo)phosphanium, bis(octyloxy)(oxo)phosphonium

Dioctyl phosphonate (CAS 1809-14-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H34O3P and a molecular weight of 306.421 g/mol. Key properties include a boiling point of 381.3±11.0 °C at 760 mmHg and a flash point of 203.5±13.5 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
1809-14-9
Jingsj CID
J-1492635-3
Molecular Formula
C16H34O3P
Molecular Weight
306.421 g/mol
Category
Organic Acids
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point381.3±11.0 °C at 760 mmHg
Flash Point203.5±13.5 °C
Exact Mass306.232391
PSA59.00000
LogP6.13
Vapor Pressure0.0±0.8 mmHg at 25°C

Customs & Trade Information

HS Code2920909090
Summary2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Dioctyl phosphonate?

The CAS number of Dioctyl phosphonate is 1809-14-9.

What are the molecular formula and molecular weight of Dioctyl phosphonate?

Dioctyl phosphonate has molecular formula C16H34O3P and molecular weight 306.421 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. "Dioctyl phosphonate (CAS 1809-14-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492635-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.