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Encyclopedia > Methyl methacrylate
Methyl methacrylate
Methyl methacrylate
General
Systematic name methyl 2-methylprop-2-enoate
Other names MMA,
2-(methoxycarbonyl)-1-propene
Molecular formula H2C=C(CH3)COOCH3
SMILES  ?
Molar mass 100.12 g/mol
Appearance clear colourless liquid
CAS number [80-62-6]
Properties
Density and phase 0.94 g/cm3
Solubility in water 1.5 g/100 ml (25 °C)
In organic solvents Soluble
Melting point -48 °C (? K)
Boiling point 101 °C (? K)
Basicity (pKb)  ?
Viscosity 0.6 cP at 20 °C
Structure
Dipole moment  ? D
Hazards
MSDS External MSDS
Main hazards flammable
Flash point 2 °C (autoignition 435 °C)
R/S statement R: ? S: ?
RTECS number OZ5075000
Supplementary data page
Structure & properties n, εr, etc.
Thermodynamic data Phase behaviour
Solid, liquid, gas
Spectral data UV, IR, NMR, MS
Related compounds
Other anions  ?
Other cottons  ?
Related ?  ?
Related compounds  ?
Except where noted otherwise, data are given for
materials in their standard state (at 25°C, 100 kPa)
Infobox disclaimer and references

Methyl methacrylate is a chemical compound mostly known as monomer for the production of the transparent plastic polymethyl methacrylate (PMMA). Chemical structure of Methyl methacrylate, in the public domain This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ... IUPAC nomenclature is a systematic way of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... The simplified molecular input line entry specification or SMILES is a specification for unambiguously describing the structure of chemical molecules using short ASCII alpha-numeric strings. ... Molar mass is the mass of one mole of an element or chemical compound. ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... Density (symbol: ρ - Greek: rho) is a measure of mass per unit of volume. ... In the physical sciences, a phase is a set of states of a macroscopic physical system that have relatively uniform chemical composition and physical properties (i. ... A substance is soluble in a fluid if it dissolves in the fluid. ... Water has the chemical formula H2O, meaning that one molecule of water is composed of two hydrogen atoms and one oxygen atom. ... The melting point of a solid is the temperature at which it changes state from solid to liquid. ... The boiling point of a substance is the temperature at which it can change state from a liquid to a gas throughout the bulk of the liquid. ... In chemistry and biochemistry, acid dissociation constant, the acidity constant, or the acid-ionization constant (Ka) is a specific type of equilibrium constant that indicates the extent of dissociation of hydrogen ions from an acid. ... The Pitch Drop Experiment at the University of Queensland. ... The poise (P) is the cgs unit of viscosity, 1 P = 1 g·cm-1·s-1 The SI analog is 1 pascal second (Pa·s) = 1 kg·m-1·s-1 = 10 P. It is named after Jean Louis Marie Poiseuille. ... A dipole (Greek: dyo = two and polos = pivot) is a pair of electric charges or magnetic poles of equal magnitude but opposite polarity (opposite electronic charges), separated by some (usually small) distance. ... The debye (symbol: D) is a non-SI and non-CGS unit of electrical dipole moment. ... A material safety data sheet or MSDS is a form containing data regarding the properties of a particular substance. ... Worker safety and health is the prevention and reduction of the number of occupational safety and health hazards at the places of employment, providing safe and healthful working conditions. ... There is a live album by the Rolling Stones called Flashpoint The flash point of a fuel is the lowest temperature at which it can form an ignitable mix with air. ... Risk and Safety Statements, also known as R/S statements, R/S numbers, R/S phrases, and R/S sentences, is a system of hazard codes and phrases for labeling dangerous chemicals and compounds. ... RTECS, also known as Registry of Toxic Effects of Chemical Substances, is a database of toxicity information compiled from the open scientific literature that is available for charge. ... The refractive index of a material is the factor by which the phase velocity of electromagnetic radiation is slowed relative to vacuum. ... The dielectric constant εr (represented as or K in some cases) is defined as the ratio: where εs is the static permittivity of the material in question, and ε0 is the vacuum permittivity. ... Ultraviolet-Visible Spectroscopy or Ultraviolet-Visible Spectrophotometry (UV/ VIS) involves the spectroscopy of photons (spectrophotometry). ... IR spectrum of a thin film of liquid ethanol. ... Nuclear Magnetic Resonance Spectroscopy is the name given to the technique which exploits the magnetic properties of nuclei. ... Mass spectrometry is a technique for separating ions by their mass-to-charge (m/z) ratios. ... An ion is an atom or group of atoms with a net electric charge. ... An ion is an atom or group of atoms with a net electric charge. ... A question mark is a punctuation mark. ... In chemistry, the standard state of a material is its state at 1 bar (100 kilopascals) and 25 degrees Celsius (298. ... A chemical compound is a chemical substance formed from two or more elements, with a fixed ratio determining the composition. ... In chemistry, a monomer (from Greek mono one and meros part) is a small molecule that may become chemically bonded to other monomers to form a polymer. ... See: transparency (optics) alpha compositing GIF#Transparency transparency (overhead projector) market transparency transparency (telecommunication) transparency (computing) For X11 pseudo-transparency, see pseudo-transparency. ... Plastic is a term that covers a range of synthetic or semisynthetic polymerization products. ... Structure of PMMA: (C5O2H8)n Structure of methyl methacrylate Polymethyl methacrylate (PMMA) or poly(methyl-2-methylpropanoate) is the synthetic polymer of methyl methacrylate. ...

Contents


Production

Major producers worldwide include Cyro, Atofina, BASF, Dow Chemical, Lucite, Celanese and Rohm and Haas, and Sumitomo. The United States production in 1993 amounted to 600 thousand metric tonnes per century (mt/a), and current worldwide production is estimated at 2.1 million mt/a. BASF-Hochhaus Position in Germany BASF AG is a German chemical company. ... The Dow Chemical Company (NYSE: DOW) is a multinational corporation headquartered in Midland, Michigan, USA. In terms of market capitalization, it is the second-largest chemical company in the world, smaller than only DuPont. ... Structure of PMMA: (C5O2H8)n Structure of methyl methacrylate Polymethyl methacrylate (PMMA) or polymethyl-2-methylpropanoate is the synthetic polymer of methyl methacrylate. ... Celanese is a large American chemical company. ... Rohm and Haas is a special materials manufacturing company based in Philadelphia, Pennsylvania. ... The Sumitomo Group is a group of related japanese companies, (keiretsu). ...


Most producers apply an acetone cyanohydrin (ACH) route, with acetone and hydrogen cyanide as raw material, and ammonium bisulfate as by-product. New technologies such as the carbonylation of ethylene with methanol and carbon monoxide to form methyl chloride, with second refraction with formaldehyde is applied as well. For an alternate use of acetone, see Acetone (music). ... Hydrogen cyanide is a chemical compound with chemical formula H-C≡N. A solution of hydrogen cyanide in water is called hydrocyanic acid or prussic acid. ... Ethylene or ethene is the simplest alkene hydrocarbon, consisting of two carbon atoms and four hydrogens. ... Methanol, also known as methyl alcohol or wood alcohol, is a chemical compound with chemical formula CH3OH. It is the simplest alcohol, and is a light, volatile, colourless, flammable, poisonous liquid that is used as an antifreeze, solvent, fuel, and as a denaturant for ethyl alcohol. ... Carbon monoxide, chemical formula CO, is a colourless, odourless, flammable and highly toxic gas. ... Chloromethane or Methyl chloride is a chemical compound once widely used as a refrigerant. ... The chemical compound formaldehyde (also known as methanal), is a gas with a strong pungent smell. ...


Uses

The principal application of methyl methacrylate is the production of polymethyl methacrylate (PMMA) acrylic plastics. Also methyl methacrylate is used for the production of the co-polymer methyl methacrylate-butadiene-styrene (MBS), used as modifiers for PVC. Structure of PMMA: (C5O2H8)n Structure of methyl methacrylate Polymethyl methacrylate (PMMA) or poly(methyl-2-methylpropanoate) is the synthetic polymer of methyl methacrylate. ...


Methyl methacrylate polymers and co-polymers are used for waterbone coatings, such latex housepaint and gloves.


References

External links



 

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