2-Hydroxyethyl acrylate CAS：818-61-1
Excellent Low-Temperature Fluidity：With a melting point as low as -70°C, this product remains in liquid form even under extremely cold conditions, ensuring stable performance in a wide range of temperature environments.
Strong Solubility Properties：It is fully miscible with both water-based systems and organic solvents, making it widely applicable in various chemical production processes and industrial formulations.
Effective Polymerization Stability：Adding 400 ppm of hydroquinone monomethyl ether as a polymerization inhibitor can effectively prevent unexpected polymerization during storage and transportation.
High Safety Performance：This chemical features a high flash point of 104°C and low vapor pressure, offering improved safety and stable properties under regular storage and operating conditions.
2-Hydroxyethyl acrylate appears as a colorless liquid with a low melting point of -70°C. Its boiling point changes with pressure, reaching 90–92°C at 1.6 kPa and 74–75°C at 667 Pa. It has a relative density of 1.1098 at 20°C and a refractive index of 1.4. Featuring an open-cup flash point of 104°C, it carries a low flammability hazard in routine handling. With a viscosity of 5.34 mPa·s at 25°C, this material shows excellent fluidity and is well-suited for applications requiring smooth flow performance.
Parameters
| Melting point | -60 °C |
| Boiling point | 90-92 °C12 mm Hg(lit.) |
| density | 1.106 g/mL at 20 °C |
| vapor density | >1 (vs air) |
| vapor pressure | <0.1 mm Hg ( 20 °C) |
| refractive index | n20/D 1.45(lit.) |
| Fp | 209 °F |
| storage temp. | 2-8°C |
| form | Oily Liquid |
| pka | 13.85±0.10(Predicted) |
| color | Yellow to brown |
| Water Solubility | soluble |
| FreezingPoint | -35 |
| Sensitive | Light Sensitive |
| BRN | 969853 |
| Exposure limits | ACGIH: TWA 5 mg/m3 |
| NIOSH: TWA 5 mg/m3 | |
| InChIKey | OMIGHNLMNHATMP-UHFFFAOYSA-N |
| LogP | -0.17 at 25℃ |
| CAS DataBase Reference | 818-61-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Propenoic acid, 2-hydroxyethyl ester(818-61-1) |
| EPA Substance Registry System | 2-Hydroxyethyl acrylate (818-61-1) |
Safety Information
| Hazard Codes | T,N |
| Risk Statements | 24-34-43-50-20/22-22 |
| Safety Statements | 26-36/39-45-61-36/37/39 |
| RIDADR | UN 2927 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | AT1750000 |
| F | 8 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29161290 |
| Hazardous Substances Data | 818-61-1(Hazardous Substances Data) |
