Functional Roles
Industries Served
Physical Properties
physical_description
Hydroxyethylacrylate appears as a clear colorless liquid. Less dense than water. Vapors heavier than air. Corrosive to tissue. May polymerize exothermically if heated or contaminated. If the polymerization takes place inside a container, the container may rupture violently. Used to make plastics.
color/form
Clear colorless liquid
odor
Sweet pleasant odor
boiling_point
greater than 346 u00b0F at 760 mmHg (USCG, 1999)
melting_point
-76 u00b0F (USCG, 1999)
flash_point
214 u00b0F (101 u00b0C) (closed cup)
solubility
In water, miscible /1X10+6 mg/L/ at 25 u00b0C
density
Liquid heat capacity = 0.491 BTU/lb-F at 70 u00b0F; Liquid thermal conductivity = 1.048 BTU-in/hr-sq ft-F at 70 u00b0F; Liquid viscosity: 5.438 cP at 70 u00b0C; Saturated vapor pressure = 0.090 lb/sq in at 177 u00b0F; Saturated vapor density = 0.00153 lb/cu ft at 177 u00b0F
vapor_density
Relative vapor density (air = 1): 4.0
vapor_pressure
Vapor pressure, Pa at 25 u00b0C: 7.0
logp
log Kow = -0.21
stability/shelf_life
Stable under recommended storage conditions. Contains the following stabilizer(s): Mequinol (>=200 - <=650 ppm)
decomposition
Hazardous decomposition products formed under fire conditions. - Carbon oxides
viscosity
5.2 mmu00c2u00b2/s at 15 u00b0C
corrosivity
Corrosive to tissue
refractive_index
Index of refraction: 1.4482 at 25 u00b0C
other_experimental_properties
React readily with electrophilic, free-radical, and nucleophilic agents /Acrylic acid & esters/
GHS / SDS Safety
Danger
Acute Toxic
Environmental Hazard
Irritant
Health Hazard
Corrosive
- H302 (54%): Harmful if swallowed [Warning Acute toxicity, oral]
- H310 (29.9%): Fatal in contact with skin [Danger Acute toxicity, dermal]
- H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
- H400 (95.6%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H314 (> 99.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H311: Toxic in contact with skin [Danger Acute toxicity, dermal]
- H311 (65.7%): Toxic in contact with skin [Danger Acute toxicity, dermal]
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H412 (23.2%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H317 (> 99.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
- H318 (44.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H310: Fatal in contact with skin [Danger Acute toxicity, dermal]
- H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
- H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Chemical Identity
| CAS Number | 818-61-1 |
| IUPAC Name | 2-hydroxyethyl prop-2-enoate |
| InChI Key | OMIGHNLMNHATMP-UHFFFAOYSA-N |
| PubChem CID | 13165 |
| INCI Name | 2-HYDROXYETHYL ACRYLATE |
Synonyms & Trade Names
Full Description
Hydroxyethyl acrylate (HEA) is a reactive acrylic monomer (C5H8O3) that functions as a crosslinking and curing agent in polymer formulations. This liquid chemical is utilized in the coatings & construction and plastics & polymers industries for applications requiring enhanced crosslink density and improved mechanical properties. HEA serves as both a monomer and reactive diluent, providing hydroxyl functionality for further chemical modification in polymer systems.