2-Hydroxypropyl Methacrylate - Materials / Alfa Chemistry

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2-Hydroxypropyl Methacrylate

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Catalog Number

ACMA00017288

Product Name

2-Hydroxypropyl Methacrylate

Category

Polymers

Description

Crystals or white crystalline solid. (NTP, 1992);Liquid;Liquid

IUPAC Name

2-hydroxypropyl 2-methylprop-2-enoate

Molecular Weight

144.17g/mol

Molecular Formula

C7H12O3

Canonical SMILES

CC(COC(=O)C(=C)C)O

InChI

InChI=1S/C7H12O3/c1-5(2)7(9)10-4-6(3)8/h6,8H,1,4H2,2-3H3

InChI Key

VHSHLMUCYSAUQU-UHFFFAOYSA-N

Melting Point

430 to 433 °F (NTP, 1992);-89 °C

Flash Point

250 °F (open cup);121 °C (Cleveland open cup)

Density

1.066 @ 25 °C/16 °C

Solubility

less than 1 mg/mL at 73° F (NTP, 1992);Limited solubility in water, sol in common organic solvents

Application

2-Hydroxypropyl methacrylate (HPMA) is a versatile, clear, colorless liquid with a sweet, pungent odor, primarily utilized as a functional monomer in various industrial applications. Its primary purpose is to enhance the properties of acrylic polymers used in the production of adhesives, inks, and coatings, particularly for automotive, appliance, and metal surfaces. HPMA improves adhesion, provides cross-linking sites, and increases resistance to corrosion, fogging, and abrasion. It serves a critical role in creating solid and emulsion polymers, acrylic dispersions, and acrylic polyols, making it indispensable in textile coatings, automotive components, refurbishment coatings, and industrial applications. Additionally, HPMA is an effective comonomer in styrene-based unsaturated polyesters, PMMA-based acrylic resins, and vinyl ester formulations, used in diverse areas such as anchor bolts and chemical anchors. Its hydrophobic hydroxyl groups make it particularly valuable in manufacturing sealants for vacuum impregnation of cast aluminum components and in producing flexible UV-curable photopolymer printing plates.

Color/Form

Clear liquid

Complexity

140

Covalently-Bonded Unit Count

EC Number

213-090-3

Exact Mass

144.078644g/mol

Formal Charge

Heavy Atom Count

Log P

0.97 (LogP)

MeSH Entry Terms

2-hydroxypropyl methacrylate;methacrylic acid, 2-hydroxypropyl ester

Monoisotopic Mass

144.078644g/mol

Odor

Slight acrylic odor

Other Experimental

Mobile;Boiling point: 87 °C @ 0.67 kPa; Specific gravity: 1.028 @ 25 °C /2-Hydroxypropyl methacrylate/;Heat of polymerization: ~50 kJ/mole /2-Hydroxypropyl methacrylate/;Boiling point: 96 °C @ 1.3 kPa /2-Hydroxypropyl methacrylate/

Refractive Index

Index of refraction: 1.446 @ 25 °C

Rotatable Bond Count

XLogP3

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