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Methacrylic acid information


Methacrylic acid
Structural formula of methacrylic acid
Ball-and-stick model of the methacrylic acid molecule
Names
IUPAC name
Methacrylic acid[1]
Preferred IUPAC name
2-Methylprop-2-enoic acid
Other names
Methacrylic acid
2-Methyl-2-propenoic acid
α-Methacrylic acid
2-Methylacrylic acid
2-Methylpropenoic acid
Identifiers
CAS Number
  • 79-41-4 checkY
3D model (JSmol)
  • Interactive image
Abbreviations MAA
ChEBI
  • CHEBI:25219 ☒N
ChemSpider
  • 3951 ☒N
ECHA InfoCard 100.001.096 Edit this at Wikidata
EC Number
  • 201-204-4
MeSH C008384
PubChem CID
  • 4093
UNII
  • 1CS02G8656 checkY
CompTox Dashboard (EPA)
  • DTXSID3025542 Edit this at Wikidata
InChI
  • InChI=1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)
    Key: CERQOIWHTDAKMF-UHFFFAOYSA-N
SMILES
  • CC(C(O)=O)=C
Properties
Chemical formula
C4H6O2
Molar mass 86.09 g/mol
Appearance Colorless liquid
Odor Acrid, repulsive[2]
Density 1.015 g/cm3
Melting point 14 to 15 °C (57 to 59 °F; 287 to 288 K)
Boiling point 161 °C (322 °F; 434 K)
Solubility in water
9% (25 °C)[2]
Vapor pressure 0.7 mmHg (20 °C)[2]
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazards (white): no code
3
2
2
Flash point 77.2 °C (171.0 °F; 350.3 K)
NIOSH (US health exposure limits):
PEL (Permissible)
none[2]
REL (Recommended)
TWA 20 ppm (70 mg/m3) [skin][2]
IDLH (Immediate danger)
N.D.[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Methacrylic acid, abbreviated MAA, is an organic compound with the formula CH2=C(CH3)CO2H. This colorless, viscous liquid is a carboxylic acid with an acrid unpleasant odor. It is soluble in warm water and miscible with most organic solvents. Methacrylic acid is produced industrially on a large scale as a precursor to its esters, especially methyl methacrylate (MMA), and to poly(methyl methacrylate) (PMMA).

  1. ^ International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 746. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
  2. ^ a b c d e f NIOSH Pocket Guide to Chemical Hazards. "#0386". National Institute for Occupational Safety and Health (NIOSH).

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formula CH2=C(CH3)COOCH3. This colorless liquid, the methyl ester of methacrylic acid (MAA), is a monomer produced on a large scale for the production of...

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Ethyl acrylate

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copolymers. Copolymers with acrylic acid increase the cleaning effect of liquid detergents, copolymers with methacrylic acid are used as gastric juices tablet...

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Butenoic acid

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acid Diacetyl, or butanedione Diepoxybutane 1,4-Dioxene Isocrotonic acid Methacrylic acid Methyl acrylate Succinaldehyde Vinyl acetate Butenoic acid Formyl...

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poly(methacrylic acid), act as an excellent scaffold for the preparation of silver nanoclusters in water solution by photoreduction. Poly(methacrylic acid)-stabilized...

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thermosetting plastic substance typically derived from acrylic acid, methacrylic acid and acrylate monomers such as butyl acrylate and methacrylate monomers...

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Ethylene glycol dimethacrylate

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Methacrylate

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Isobutyric acid

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of sulfuric acid. In the presence of proton donors, the action of sodium amalgam on methacrylic acid also gives isobutyric acid. The acid reacts as a...

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Organic peroxides

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polymerization of acrylates. Industrial resins based on acrylic and/or methacrylic acid esters are invariably produced by radical polymerization with organic...

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Ammonium bisulfate

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