Triethylene glycol diacrylate

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Description

Additional Information

Category
Acrylate series
Describe
Dipropylene glycol diacrylate (DPGDA) is a commonly used bifunctional acrylate reactive monomer, which is widely used in ultraviolet (UV) curing systems such as coatings, inks, adhesives, electronic packaging and 3D printing materials.
Cas No.
57472-68-1
Purity
mixture
Synonym(s)
DPGDA

Physical and chemical properties

1. Chemical Identity
- Chemical Name: Dipropylene glycol diacrylate
- IUPAC Name: Oxybis(methyl-2,1-ethanediyl) diacrylate
- Synonyms: DPGDA, Oxybis(propanol) diacrylate
- CAS Number: 57472-68-1
- EC Number: 260-754-3
- Molecular Formula: C12?H18?O5?
- Molecular Weight: 242.27 g/mol
2. Physical Properties
- Appearance: Clear, colorless liquid.
- Odor: Mild, characteristic, acrylic/ester-like.
- Melting Point: <-60 °C (<-76 °F)
- Boiling Point: >200 °C (>392 °F) at 1013 hPa
- Density: 1.05 g/cm³ at 20 °C
- Solubility:
- In Water: 6.7 g/L at 20 °C (Slightly soluble)
- In Organic Solvents: Soluble in many common organic solvents.
- Vapor Pressure: <0.1 hPa at 20 °C
- Viscosity: 6 - 15 mPa·s at 25 °C
3. Chemical Properties and Stability
- Stability: Stable under recommended storage conditions. Typically supplied with a polymerization inhibitor (e.g., MEHQ).
- Incompatibilities: Incompatible with strong oxidizing agents, strong bases, strong acids, reducing agents, peroxides, and free-radical initiators.
- Hazardous Polymerization: May occur if not properly inhibited or if exposed to high temperatures, direct sunlight, UV radiation, or contaminants. Polymerization is a highly exothermic reaction.
- Hazardous Decomposition Products: Combustion may produce toxic fumes of carbon monoxide (CO) and carbon dioxide (CO2?).
4. Other Key Data
- Flash Point: >110 °C (>230 °F) - Closed cup
- Refractive Index (n20/D): ~1.450