Ethyl Methacrylate

An ester, C6H10O2, 114.144 g/mol. Boiling point 117 °C, melting point -75 °C, as published.

verified recordOrganic — ester9 measured properties

Identifiers

Molecular formula: C₆H₁₀O₂
Molecular weight: 114.144 g/mol
Exact mass: 114.06808 g/mol
IUPAC name: ethyl 2-methylprop-2-enoate
SMILES: C=C(C)C(=O)OCC
InChI: InChI=1S/C6H10O2/c1-4-8-6(7)5(2)3/h2,4H2,1,3H3
InChIKey: SUPCQIBBMFXVTL-UHFFFAOYSA-N

Open in ReactionLens Use in reaction prediction

Measured properties

Published measurements, each with its source. Two readings of one property are both shown, in the units each used.

Boiling Point: 243 °F at 760 mmHg (NTP, 1992)measured · CAMEO Chemicals; 117 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Melting Point: -103 °F (NTP, 1992)measured · CAMEO Chemicals; -75 °Cmeasured · ILO-WHO International Chemical Safety Cards (ICSCs)
Density: 0.9151 at 68 °F (USCG, 1999) - Less dense than water; will floatmeasured · CAMEO Chemicals; 0.9135 g/cu cm at 20 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Solubility: 5 to 10 mg/mL at 68 °F (NTP, 1992)measured · CAMEO Chemicals; Slightly soluble in chloroform; miscible with ethanol, ethyl ethermeasured · Hazardous Substances Data Bank (HSDB)
Vapor Pressure: 14 mmHg at 36 °F ; 26.2 mmHg at 73 °F; 67.0 mmHg at 118 °F (NTP, 1992)measured · CAMEO Chemicals; 21.0 [mmHg]measured · Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
LogP: log Kow = 1.94measured · Hazardous Substances Data Bank (HSDB); 1.94measured · ILO-WHO International Chemical Safety Cards (ICSCs)
Flash Point: 60 °F (NTP, 1992)measured · CAMEO Chemicals; 68 °F (20 °C) (Open cup)measured · Hazardous Substances Data Bank (HSDB)
Viscosity: 0.92 mPa (cP)measured · Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley and Sons, 1991-Present., p. V16: 481 (1995)
Refractive Index: Index of refraction: 1.4147 at 20 °C/Dmeasured · Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor & Francis, Boca Raton, FL 2007, p. 3-246

Calculated properties

Derived from the structure, not from a sample; kept apart from the measurements above.

Molecular weight: 114.14 g/molcalculated · reference compound database; Average mass of one molecule, from reference compound database.
Exact mass: 114.068079557 Dacalculated · reference compound database; Mass of the most common isotopic form.
XLogP3: 1.9calculated · reference compound database; Estimated oil/water partition, computed by reference compound database.
Polar surface area: 26.3 Å²calculated · reference compound database; Polar surface area as computed by reference compound database.
Complexity: 105calculated · reference compound database; A rough measure of how intricate the structure is.
H-bond donors: 0calculated · reference compound database
H-bond acceptors: 2calculated · reference compound database
logP: 1.1256calculated · chemistry engine; Estimated preference for oil over water. Higher means more oil-like.
Topological polar surface area: 26.3 Å²calculated · chemistry engine; Surface area from polar atoms; relates to how easily a molecule crosses membranes.
H-bond donors: 0calculated · chemistry engine; Atoms that can donate a hydrogen bond.
H-bond acceptors: 2calculated · chemistry engine; Atoms that can accept a hydrogen bond.
Rotatable bonds: 2calculated · chemistry engine; Single bonds the molecule can freely twist around.
Molar refractivity: 31.447 cm³/molcalculated · chemistry engine; Relates to the molecule's polarisability.
Fraction sp³ carbons: 0.5calculated · chemistry engine; Share of carbon atoms with tetrahedral bonding.
QED drug-likeness: 0.397calculated · chemistry engine; Quantitative estimate of drug-likeness (0–1).

What it is made of

Elements

C Carbon6 atoms · 63.1% by mass
O Oxygen2 atoms · 28.0% by mass
H Hydrogen10 atoms · 8.8% by mass

Percentages are of the molecular weight above, worked out the same way the molar mass calculator does it.

Structure

Heavy atoms, hydrogen excluded: 8
Total atoms, hydrogen included: 18
Rings: 0
Aromatic rings: 0
Stereocentres: 0
Formal charge: 0

Functional groups

Ester
A carbonyl bonded to an oxygen that links to another carbon.
Ether
An oxygen bridging two carbons.
Alkene
A carbon–carbon double bond.

Matched by structural pattern, not by a measurement.

The molecule in three dimensions

Rotate and inspect the atoms. Loaded only when you ask, so the page stays light.

The drawing above is a diagram of what is bonded to what. A molecule is not flat, and the model here is one low-energy shape generated from the connectivity — useful for seeing which groups can reach each other, and not a measured structure. A real sample is a population of conformations, interconverting.

Reactions it appears in

No documented reaction with a written procedure and a source involves Ethyl Methacrylate yet.

Other names for it

The systematic name on this record is ethyl 2-methylprop-2-enoate.

The sources also call it ethyl 2-methylprop-2-enoate, 2-Propenoic acid, 2-methyl-, ethyl ester, Ethyl 2-methylacrylate, Ethyl 2-methyl-2-propenoate, Rhoplex AC-33, Ethyl 2-methacrylate, METHACRYLIC ACID, ETHYL ESTER, RCRA waste number U118, 2-Methylacrylic acid, ethyl ester, Ethyl alpha-methylacrylate, NSC 24152.

Structurally related

Molecules sharing this formula, or whose fingerprint is at least 40% similar to this one. Similarity is Tanimoto on Morgan fingerprints over this library only — it is a measure of structural overlap, not of how alike they behave.

1,3-Dioxolane, 2-ethenyl-2-methyl-

C6H10O2

1,3-Diethyl 2-oxopropanedioate

C7H10O5

Where these values came from

reference compound database7343
compound record
chemistry engine
structure perception

compound record.

What this page does not claim

Identifiers are copied from the source record, measured values are reported as published, and calculated values are marked as calculated. Nothing here is a hazard, purity or handling assessment — how the library is checked.