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3,4-dihydro-2H-pyran-2-carboxylic acid

3,4-二氢-2H-吡喃-2-羧酸

Also known as: 3,4-DIHYDRO-2H-PYRAN-2-CARBOXYLIC ACID, 3,4-dihydro-2h-pyran-2-carboxylic acid, 3,4-dihydropyran-2-carboxylic acid, 2H-PYRAN-2-CARBOXYLIC ACID, 3,4-DIHYDRO-, 3,4-Dihydro-1,2-pyran-2-carbonsaeure, 3,4-Dihydro-2H-pyran-2-carbonsaeure, EINECS 240-748-7, EINECS 251-875-2

3,4-dihydro-2H-pyran-2-carboxylic acid (CAS 34201-01-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O3 and a molecular weight of 128.12600 g/mol. It is also known as 3,4-DIHYDRO-2H-PYRAN-2-CARBOXYLIC ACID, 3,4-dihydro-2h-pyran-2-carboxylic acid and 3,4-dihydropyran-2-carboxylic acid. Key properties include a boiling point of 278.3ºC at 760mmHg, a density of 1.243g/cm3 and a flash point of 122.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34201-01-9
Jingsj CID
J-1330466-3
Molecular Formula
C6H8O3
Chinese Name
3,4-二氢-2H-吡喃-2-羧酸
Molecular Weight
128.12600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point278.3ºC at 760mmHg
Density1.243g/cm3
Flash Point122.5ºC

Frequently Asked Questions

What is the CAS number of 3,4-dihydro-2H-pyran-2-carboxylic acid?

The CAS number of 3,4-dihydro-2H-pyran-2-carboxylic acid is 34201-01-9.

What are the molecular formula and molecular weight of 3,4-dihydro-2H-pyran-2-carboxylic acid?

3,4-dihydro-2H-pyran-2-carboxylic acid has molecular formula C6H8O3 and molecular weight 128.12600 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-dihydro-2H-pyran-2-carboxylic acid (CAS 34201-01-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1330466-3 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.