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Tris(2-ethylhexyl) phosphite

Also known as: Phosphorous acid tris(2-ethylhexyl) ester, Trioctyl phosphite, Phosphorous acid trioctyl ester, JP 308, NSC 3233, EINECS 206-111-2

Tris(2-ethylhexyl) phosphite (CAS 301-13-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H51O3P and a molecular weight of 418.63400 g/mol. Key properties include a boiling point of 446.7ºC at 760mmHg and a flash point of 278.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
301-13-3
Jingsj CID
J-39064-7
Molecular Formula
C24H51O3P
Molecular Weight
418.63400 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point446.7ºC at 760mmHg
Flash Point278.6ºC
Exact Mass418.35800
PSA41.28000
LogP8.91230

Customs & Trade Information

HS Code2920901900
Summary2920901900 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 Tris(2-ethylhexyl) phosphite?

The CAS number of Tris(2-ethylhexyl) phosphite is 301-13-3.

What are the molecular formula and molecular weight of Tris(2-ethylhexyl) phosphite?

Tris(2-ethylhexyl) phosphite has molecular formula C24H51O3P and molecular weight 418.63400 g/mol.

What are the upstream and downstream products of Tris(2-ethylhexyl) phosphite?

For Tris(2-ethylhexyl) phosphite, Upstream Products: 2-Ethylhexanol, Tris(diethylamino)phosphine; Downstream Products: 9-(2-ethylhexyl)carbazole, Carbazole, Tris(2-ethylhexyl) phosphate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Tris(2-ethylhexyl) phosphite (CAS 301-13-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39064-7 (accessed 2026-11-09).

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