CAS 140-88-5 Ethyl Acrylate, stabilized with MEHQ

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Ethyl Acrylate, stabilized with MEHQ

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Catalog Number

ACM140885-2

CAS Number

140-88-5

Product Name

Ethyl Acrylate, stabilized with MEHQ

Structure

Category

Polymers

Description

Ethyl acrylate, stabilized appears as a clear colorless liquid with an acrid odor. Flash point 60°F. May polymerize exothermically if heated or contaminated. If the polymerization takes place inside a container, the container may rupture violently. Auto ignition temperature 721°F (383°C) (NTP). Less dense than water. Vapors heavier than air. Used to make paints and plastics.;Liquid;Liquid;COLOURLESS LIQUID WITH PUNGENT ODOUR.;Colourless mobile liquid; lachrymator/intense, harsh, fruity aroma;Colorless liquid with an acrid odor.;Colorless liquid with an acrid odor.

IUPAC Name

ethyl prop-2-enoate

Molecular Weight

100.12g/mol

Molecular Formula

CH2CHCOOC2H5;C5H8O2;C5H8O2

Canonical SMILES

CCOC(=O)C=C

InChI

InChI=1S/C5H8O2/c1-3-5(6)7-4-2/h3H,1,4H2,2H3

InChI Key

JIGUQPWFLRLWPJ-UHFFFAOYSA-N

Boiling Point

211.6 °F at 760 mm Hg (NTP, 1992);99.4 °C;99.4 °C;99 °C;211°F;211°F

Melting Point

-96.2 °F (NTP, 1992);-71.2 °C;Mp -71.2 °;-71.2 °C;-71.2°C;-71 °C;-96°F;-96°F

Flash Point

48 °F (NTP, 1992);50 °F (10 °C) (open cup);60 °F (open cup);9 °C c.c.;48°F;48°F

Density

0.923 at 68 °F (USCG, 1999);d204 0.92;0.9234 g/cu cm at 20 °C;Relative density (water = 1): 0.92;0.916-0.919;0.92;0.92

Solubility

10 to 50 mg/mL at 70° F (NTP, 1992);0.15 M;15 mg/mL at 25 °C;Slightly soluble in dimethyl sulfoxide; soluble in chloroform; miscible in ethanol, ethyl ether;Soluble in alcohol and ether;2% (wt/vol) in water at 20 °C;1.5 parts by wt (of the formula wt)/100 parts by wt of water;In water, 15,000 mg/L at 25 °C (1.50 g/100 g);15 mg/mL at 25 °C;Solubility in water, g/100ml at 20 °C: 1.5;Soluble in ether and oils; Slightly soluble water;Soluble (in ethanol);2%

Color/Form

Colorless liquid;Clear liquid

Complexity

76.1

Covalently-Bonded Unit Count

EC Number

205-438-8;926-288-6

Exact Mass

100.052429g/mol

Formal Charge

Heat of Vaporization

8.27 kcal/mol

Heavy Atom Count

ICSC Number

0267

Log P

1.32 (LogP);1.32;log Kow = 1.32;1.32;1.32

MeSH Entry Terms

acrylic acid ethyl ester;ethyl acrylate

Monoisotopic Mass

100.052429g/mol

NSC Number

8263

Odor

Acrid penetrating odor;Sour, pungent, hot plastic odor

Other Experimental

Polymerizes on standing; polymerization process speeded up by heat, light, and peroxides. If pure, the monomer can be stored below +10 °C without polymerization.;Specific heat at -60 °C: 0.442 cal/g/deg C; MP: 20 °C at 39.2 mm Hg (polymerizes on distillation); azeotropes: 45% water = BP 81 °C; 56.8% ethanol = BP 76 °C;Conversion factor: 4.09 mg/cu m is equiv to 1 ppm;Ratio of specific heats of vapor: 1.080; latent heat of vaporization: 149 BTU/lb= 82.9 cal/g= 3.47X10+5 J/kg; liquid-water interfacial tension: (est) 40 dynes/cm= 0.04 N/m at 20 °C;Saturation concentration /in air/: 158 g/cu m at 20 °C;Saturated air contains 38,500 ppm by volume of vapor at 20 °C, 760 mm Hg;Liquid heat capacity = 0.453 BTU/lb-F at 70 °F; Liquid thermal conductivity = 10149 BTU-in/hr-sq ft-F at 70 °C; Saturated vapor density = 0.01011 lb/cu ft at 70 °F; Ideal gas heat capacity = 0.272 BTU/lb-F at 75 °F;Critical volume 320 cu cm/mole;Bulk density: 7.6 lb/gal at 20 °C;Heat of polymerization: -335 BTU/lb= -186 cal/g= -7.79X10+5 J/kg;Saturation concn: /in air/ 258 g/cu m at 30 °C;Heat of evaporation: 347 J/g; specific heat: 1.97 J/g-K;React readily with electrophilic, free-radical, and nucleophilic agent /Acrylic acid & esters/;Polymerizes exothermically in the presence of light, heat, and peroxides above 10 °C, unless inhibited.;The monomer polymerizes to a transparent, elastic substance that is practically odorless and insoluble in conventional solvents.;Transparent, elastic substance. Practically no odor. Little adhesive power. Resists the usual solvents. /Polymer/;Henry's Law constant = 3.4X10-4 atm-cu m/mol at 25 °C (est);Hydroxyl radical reaction rate constant = 1.6X10-11 cu cm/molec-sec at 25 °C (est)

Refractive Index

n20D 1.4068;Index of refraction: 1.4068 at 20 °C/D;1.403-1.409

Rotatable Bond Count

RTECS Number

AT0700000

Stability

Easily polymerizes on standing; polymerization process speeded up by heat, light, and peroxides. If pure, the monomer can be stored below +10 °C without incurring polymerization.

UNII

71E6178C9T

UN Number

1917;1917;1917;1917;1917

Vapor Density

3.45 (NTP, 1992) (Relative to Air);3.45 (Air = 1);Relative vapor density (air = 1): 3.45;3.45

Vapor Pressure

29.3 mm Hg at 68 °F ; 40 mm Hg at 79° F (NTP, 1992);38.60 mmHg;38.6 mm Hg at 25 °C;Vapor pressure, kPa at 20 °C: 3.9;29 mmHg;29 mmHg

XLogP3

1.3

MSDS

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