mono-2-(Methacryloyloxy)ethyl maleate

马来酸单-2-(甲基丙烯酰氧基)乙酯

Also known as: 2-(Methacryloyloxy)ethyl hydrogen maleate, (2-((2-Methyl-1-oxoallyl)oxy)ethyl) hydrogen maleate, 2-Butenedioic acid (2Z)-, mono[2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl] ester, 4-(2-(Methacryloyloxy)ethoxy)-4-oxobut-2-enoic acid, HEMA MALEATE, MFCD00080563, Maleic acid-mono-2-methacryloyloxy ethyl ester, Ethylene glycol methacrylate maleate

mono-2-(Methacryloyloxy)ethyl maleate (CAS 51978-15-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O6 and a molecular weight of 228.19900 g/mol. It is also known as 2-(Methacryloyloxy)ethyl hydrogen maleate, (2-((2-Methyl-1-oxoallyl)oxy)ethyl) hydrogen maleate and 2-Butenedioic acid (2Z)-, mono[2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl] ester. Key properties include a boiling point of 374.3ºC at 760 mmHg, a density of 1.217 g/mL at 25ºC(lit.) and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51978-15-5
Jingsj CID
J-3402-9
Molecular Formula
C10H12O6
Chinese Name
马来酸单-2-(甲基丙烯酰氧基)乙酯
Molecular Weight
228.19900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point374.3ºC at 760 mmHg
Density1.217 g/mL at 25ºC(lit.)
Flash Point>230 °F

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of mono-2-(Methacryloyloxy)ethyl maleate?

The CAS number of mono-2-(Methacryloyloxy)ethyl maleate is 51978-15-5.

What are the molecular formula and molecular weight of mono-2-(Methacryloyloxy)ethyl maleate?

mono-2-(Methacryloyloxy)ethyl maleate has molecular formula C10H12O6 and molecular weight 228.19900 g/mol.

Is mono-2-(Methacryloyloxy)ethyl maleate hazardous?

mono-2-(Methacryloyloxy)ethyl maleate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "mono-2-(Methacryloyloxy)ethyl maleate (CAS 51978-15-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3402-9 (accessed 2026-10-23).

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