3-(Ethoxymethylene)pentane-2,4-dione

3-(乙氧基亚甲基)-2,4-戊二酮

Also known as: 2,4-Pentanedione,3-(ethoxymethylene)-, 3-(Ethoxymethylene)-2,4-pentanedione, 3-(ethoxymethylene)-2,4-pentanedione, 3-(ETHOXYMETHYLENE)-2,4-PENTANEDIONE, 3-(ETHOXYMETHYLENE)ACETYLACETONE, 3-Ethoxymethylene-2,4-pentandione, 3-Ethoxymethylene-2,4-pentanedione, 3-ETHOXY METHYLENE PENTANE-2,4-DIONE, 3-(ethoxymethylidene)pentane-2,4-dione, ethoxymethylene acetyl acetone, AKOS MSC-0742, 1-Acetylaceton-1-ylidene(ethoxy)methane, methyl 2-ethoxy-1-methylcarbonyl-vinyl ketone, acetylacetonyl ethoxy methane, NSC 46601

3-(Ethoxymethylene)pentane-2,4-dione (CAS 33884-41-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H12O3 and a molecular weight of 156.17900 g/mol. It is also known as 2,4-Pentanedione,3-(ethoxymethylene)-, 3-(Ethoxymethylene)-2,4-pentanedione and 3-(ethoxymethylene)-2,4-pentanedione. Key properties include a boiling point of 303.3ºC at 760mmHg, a density of 1.01g/cm3 and a flash point of 134.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33884-41-2
Jingsj CID
J-21192-5
Molecular Formula
C8H12O3
Chinese Name
3-(乙氧基亚甲基)-2,4-戊二酮
Molecular Weight
156.17900 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point303.3ºC at 760mmHg
Density1.01g/cm3
Flash Point134.2ºC

Frequently Asked Questions

What is the CAS number of 3-(Ethoxymethylene)pentane-2,4-dione?

The CAS number of 3-(Ethoxymethylene)pentane-2,4-dione is 33884-41-2.

What are the molecular formula and molecular weight of 3-(Ethoxymethylene)pentane-2,4-dione?

3-(Ethoxymethylene)pentane-2,4-dione has molecular formula C8H12O3 and molecular weight 156.17900 g/mol.

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

Last updated:

How to cite: Jingsj. "3-(Ethoxymethylene)pentane-2,4-dione (CAS 33884-41-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21192-5 (accessed 2026-10-22).

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