CAS 27813-02-1 Hydroxypropyl Methacrylate (mixture of 2-Hydroxypropyl and 2-Hydroxy-1-methylethyl Methacrylate) (stabilized with MEHQ)

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Hydroxypropyl Methacrylate (mixture of 2-Hydroxypropyl and 2-Hydroxy-1-methylethyl Methacrylate) (stabilized with MEHQ)

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Catalog Number

ACM27813021-2

CAS Number

27813-02-1

Product Name

Hydroxypropyl Methacrylate (mixture of 2-Hydroxypropyl and 2-Hydroxy-1-methylethyl Methacrylate) (stabilized with MEHQ)

Structure

Category

Monomers

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

Hydroxypropyl Methacrylate (HPMA), a clear, colorless liquid stabilized with MEHQ, serves as a versatile functional monomer primarily for the development of acrylic polymers. It is instrumental in producing hot solid acrylic coatings, styrene-butadiene latex modifiers, and acrylic-modified polyurethane coatings, as well as water-soluble plating coatings, adhesives, textile finishing agents, and paper coatings. Its role extends to enhancing products like photosensitive paints and polyurethane vinyl resin modifiers. Notably, HPMA is utilized in the production of acrylic polyols for automotive components, refurbishment, and industrial coatings, and it serves as a comonomer in formulations with styrene-based unsaturated polyesters and PMMA-based acrylic resins. Its unique properties, attributed to the hydroxyl groups, improve adhesion, provide cross-linking sites, and impart resistance to corrosion, fogging, and abrasion, making it ideal for applications in adhesives, inks, and specialty coatings. Additionally, HPMA is valued for manufacturing UV-curable photopolymer printing plates and as a hydrophobic hydroxy monomer essential in creating sealants for vacuum impregnation of cast aluminum components.

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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