Diethyl tetrahydropyran-4,4-dicarboxylate

Also known as: Diethyl tetrahydro-4H-pyran-4,4-dicarboxylate, 4H-Pyran-4,4-dicarboxylic acid, tetrahydro-, 4,4-diethyl ester, Diethyl 4,4-tetrahydropyran dicarboxylate, DIETHYL DIHYDRO-2H-PYRAN-4,4(3H)-DICARBOXYLATE, 4,4-Bis(ethoxycarbonyl)tetrahydropyran, Oxane-4,4-dicarboxylic acid diethyl ester, Tetrahydropyran-4,4-dicarboxylic acid diethyl ester, Diethyl oxane-4,4-dicarboxylate, Tetrahydro-pyran-4,4-dicarbonsaeure-diaethylester, ILUMJWCFQOFDMA-UHFFFAOYSA

Diethyl tetrahydropyran-4,4-dicarboxylate (CAS 5382-77-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18O5 and a molecular weight of 230.258 g/mol. Key properties include a boiling point of 275.2±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 114.7±27.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5382-77-4
Jingsj CID: J-1519863-7
Molecular Formula: C₁₁H₁₈O₅
Molecular Weight: 230.258 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	275.2±40.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	114.7±27.4 °C
Exact Mass	230.115417
PSA	61.83000
LogP	1.58
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.458
Storage Conditions	2-8℃

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Diethyl tetrahydropyran-4,4-dicarboxylate?

The CAS number of Diethyl tetrahydropyran-4,4-dicarboxylate is 5382-77-4.

What are the molecular formula and molecular weight of Diethyl tetrahydropyran-4,4-dicarboxylate?

Diethyl tetrahydropyran-4,4-dicarboxylate has molecular formula C11H18O5 and molecular weight 230.258 g/mol.

What are the upstream and downstream products of Diethyl tetrahydropyran-4,4-dicarboxylate?

For Diethyl tetrahydropyran-4,4-dicarboxylate, Upstream Products: Bis(2-chloroethyl) ether, Diethyl malonate, 2-Iodoethyl ether; Downstream Products: Tetrahydro-2H-pyran-4-carbonyl chloride, Ethyl tetrahydro-2H-pyran-4-carboxylate, (Tetrahydro-2H-thiopyran-4-yl)methanol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Diethyl tetrahydropyran-4,4-dicarboxylate (CAS 5382-77-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519863-7 (accessed 2026-11-09).

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