2-Hydroxyethyl methacrylate

Basic Information

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CAS Number

868-77-9

Molecular Formula

C6H10O3

Molecular Weight

130.14 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Physical Properties

Melting Point

-12 ºC

Boiling Point

67 °C/3.5 mmHg

Density

1.073 g/mL at 25 °C

Refractive Index

n20/D 1.453(lit.)

Vapor Pressure

0.01 mmHg ( 25 °C)

SMILES

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CC(=C)C(=O)OCCO

InChI

InChI=1S/C6H10O3/c1-5(2)6(8)9-4-3-7/h7H,1,3-4H2,2H3

InChIKey

WOBHKFSMXKNTIM-UHFFFAOYSA-N

LogP

0.09800000000000003

Topological Polar Surface Area

46.53 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

118

Safety Information

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GHS Hazard Pictograms

H315

H317

H319

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H317 May cause an allergic skin reaction
Sensitization, Skin

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Stability

Unstable - may polymerize in the absence of stabilizer. May be stabilized with, or contain small amounts of, diethylene glycol monomethacrylate, di(ethylene glycol)dimethacrylate, methacrylic acid. Incompatible with strong oxidizing agents, free radical initiators, peroxides, steel. Closed containers may explode if heated due to runaway polymer

Sensitiveness

Air Sensitive

Synonyms & References

English

2-Hydroxyethyl methacrylate
Glycol methacrylate
2-Hydroxyethyl methycrylate
Ethylene glycol monomethacrylate
Methacrylic acid 2-hydroxyethyl ester
2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester
beta-Hydroxyethyl Methacrylate
BISOMER HEMA
Ethylene glycol methacrylate
GMA
heme-a
Mhoromer
S-(2-HYDROXYETHYL)MERCAPTURIC ACID
N-ACETYL-S-(2-HYDROXYETHYL)-L-CYSTEINE
S-(2-Hydroxyethyl)mercapturic Acid, HEMA
R-(2-Hydroxyethyl)mercapturic Acid, HEMA
HEMA
2-Hydroxyethyl Methacrylate (stabilized with MEHQ)
Hydroxyethyl methacrylate
2-HYDROXYETHL METHACRYLATE
2-hydroxyethyl 2-methylprop-2-enoate
2-HYDROXYETHYL METHACRYLATE (2-HEMA)
BisoMer SR
ETHYLENEGLYCOL METHACRYLATE (HEMA)
GE 610
methanol,methyl methacrylate
Ethylene Glycol Methacrylate (stabilized with MEHQ)
HEMA (stabilized with MEHQ)
Methacrylic Acid 2-Hydroxyethyl Ester (stabilized with MEHQ)
Glycol monomethacrylate
2-(Methacryloyloxy)ethanol

MDL Number

MFCD00002863

Customs Code

29161490

FAQ

What is 2-Hydroxyethyl methacrylate (CAS: 868-77-9)?

2-Hydroxyethyl methacrylate (HEMA), CAS 868-77-9, is a clear, colorless liquid monomer used in polymer chemistry. Its chemical formula is C5H10O3, featuring a methacrylate group and a hydroxyethyl chain. HEMA is highly reactive, soluble in water and organic solvents, and hygroscopic. It is commonly used as a building block for polymers due to its ability to form hydrophilic networks. Its properties make it valuable in applications requiring adhesion and flexibility.

What are the main uses of 2-Hydroxyethyl methacrylate (CAS: 868-77-9)?

2-Hydroxyethyl methacrylate (HEMA) is widely used in pharmaceuticals for drug delivery systems and hydrogel coatings. In industry, it serves as a monomer in adhesives, coatings, and composite materials. It is also employed in biomedical applications, such as dental resins and contact lenses, due to its biocompatibility. Additionally, HEMA is used in research for polymer synthesis and functional material development. Its versatility stems from its ability to polymerize and crosslink with other compounds.

Is 2-Hydroxyethyl methacrylate (CAS: 868-77-9) safe?

2-Hydroxyethyl methacrylate (HEMA) is generally considered safe when handled properly. It has low acute toxicity but may cause skin or eye irritation. Safety standards, such as OSHA and EU regulations, require appropriate protective measures, including gloves, goggles, and ventilation. Prolonged exposure should be avoided, and it is classified as a potential irritant. Always follow safety guidelines to minimize risks during use and storage.

How should 2-Hydroxyethyl methacrylate (CAS: 868-77-9) be stored?

2-Hydroxyethyl methacrylate (HEMA) should be stored in a cool, dry place (≤25°C), away from light and moisture. Keep in tightly sealed, airtight containers to prevent degradation. Avoid contact with air and humidity to maintain stability. Store in a well-ventilated area to reduce vapor exposure. Proper storage ensures safety and prolongs the shelf life of this reactive chemical.