Specialty Additives Available to Source

2-Ethylhexyl acrylate (2-EHA)

2-EHA
CAS 103-11-7 · MF C11H20O2 · MW 184.27 g/mol

2-Ethylhexyl acrylate (2-EHA) is an acrylic monomer that functions as a crosslinking and curing agent in polymer formulations. This chemical serves as a reactive diluent in coatings and construction applications, as well as in plastics and polymer manufacturing processes. With a molecular weight of 184.27 g/mol and the molecular formula…

SDS / TDS Download
CAS Number
103-11-7
Molecular Formula
C11H20O2
Molecular Weight
184.27 g/mol
Material Family
Specialty Additives
Functional Roles
Physical Properties
physical_description
2-ethylhexyl acrylate appears as a clear colorless liquid with a pleasant odor. Less dense than water and insoluble in water. Vapors heavier than air. Flash point 180 u00b0F. Used in making of paints and plastics.
color/form
Colorless liquid
odor
Pleasant
boiling_point
Boiling point: 130 u00b0C @ 50 mm Hg; conversion factor: 1 ppm = 7.52 mg/cu cm
melting_point
-130 u00b0F (NTP, 1992)
flash_point
180 u00b0F (82 u00b0C) (open cup)
solubility
less than 1 mg/mL at 72 u00b0F (NTP, 1992)
density
0.885 at 68 u00b0F (USCG, 1999) - Less dense than water; will float
vapor_density
6.35 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
vapor_pressure
0.178 mm Hg @ 25 u00b0C /Extrapolated/
logp
log Kow = 4.09 /Estimated/
henry's_law_constant
Henry's Law constant: 0.000432 atm-cu m/mol @ 25 u00b0C /Estimated/
stability/shelf_life
The typical shelf-life for this product is 12 months. /Formulation >99% 2-ethylhexyl acrylate/
autoignition_temperature
496 u00b0F (USCG, 1999)
decomposition
When heated to decomposition it emits acrid smoke and irritating fumes.
polymerization
Polymerizes when exposed to heat. Peroxides or other initiators may cause polymerization.
odor_threshold
0.02 mg/L
refractive_index
Index of refraction: 1.4332 @ 25 u00b0C
kovats_retention_index
1215
other_experimental_properties
Liquid heat capacity= 0.421 BTU/lb-F @ 70 u00b0F; Liquid thermal conductivity= 1.048 BTU-in/hr-sq ft-F at 70 u00b0F; Liquid viscosity: 1.761 cP at 70 u00b0C; Saturated vapor pressure= 0.011 lb/sq in @ 100 u00b0F; Saturated vapor density= 0.00035 lb/cu ft @ 100 u00b0F; Solubility in water: 0.340 lb/100 lb at 68 u00b0C /Inhibited/
GHS / SDS Safety Warning
Environmental Hazard Irritant Health Hazard
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H317 (> 99.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H315 (> 99.9%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H412 (16.2%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H351: Suspected of causing cancer [Warning Carcinogenicity]
  • H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
  • H335 (99.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
  • H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
  • Not Classified
  • H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
  • H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • Reported as not meeting GHS hazard criteria by 2 of 2 companies. For more detailed information, please visit ECHA C&L website.
  • H227: Combustible liquid [Warning Flammable liquids]
Chemical Identity
CAS Number103-11-7
IUPAC Name2-ethylhexyl prop-2-enoate
InChI KeyGOXQRTZXKQZDDN-UHFFFAOYSA-N
PubChem CID 7636
INCI NameETHYLHEXYL ACRYLATE
Synonyms & Trade Names
2-ETHYLHEXYL ACRYLATE 2-Ethylhexyl 2-propenoate Acrylic acid, 2-ethylhexyl ester 2-Ethyl-1-hexyl acrylate 2-Propenoic acid, 2-ethylhexyl ester 1-Hexanol, 2-ethyl-, acrylate acrylic acid 2-ethylhexyl ester HR49R9S6XG DTXCID405297 RefChem:6740 2-ethylhexyl prop-2-enoate Ethylhexyl acrylate 2-ETHYLHEXYLACRYLATE Mono(2-ethylhexyl) acrylate
Full Description

2-Ethylhexyl acrylate (2-EHA) is an acrylic monomer that functions as a crosslinking and curing agent in polymer formulations. This chemical serves as a reactive diluent in coatings and construction applications, as well as in plastics and polymer manufacturing processes. With a molecular weight of 184.27 g/mol and the molecular formula C11H20O2, 2-EHA provides essential polymerization capabilities for industrial formulations requiring enhanced crosslinking properties.