1,6-Hexanediol Diacrylate (HDDA)

1,6-Hexanediol Diacrylate (HDDA) is a low-viscosity, fast-curing bifunctional monomer used primarily as a reactive diluent in ultraviolet (UV) and electron beam (EB) curable coatings, inks, and adhesives.

Technical Specifications
Absorption 0.50%
Acid Value ≤ 1.0mg
Volatility Low
Packing Available 30kg Can, 200kg Drum
Melting Point -20°C
Appearance Clear to light yellow liquid
Odour Mild ester
Molecular Weight 226.27 g/mol
Boiling Point 295°C
Distillation Range 105–110°C
Freezing Point 5°C to 10°C
Specific Gravity 25°C.
Refractive Index 1.454 – 1.456 at 25°C.
Flash Point 110°C
Specific Heat 1.67
Autoignition Temp 345°C

Description

Avoid inhalation and skin contact

Uses

UV coatings, inks, adhesives, 3D printing resins

Benefits

Fast UV curing, high hardness, chemical resistance, smooth glossy finish

Safety, Compliance & Notes

Thermal Conductivity
Electrical Conductivity 0.005
Heat of Formation -550 to -600
Heat of Vaporization ~60-65
Structure CH2=CHCO2(CH2)6O2CCH=CH2cap
CAS Number 13048-33-4.
EINECS Number 235-921-9.
Storage & Packaging Store between 15°C and 30°C. Must contain oxygen (dissolved air) and an inhibitor (typically MEHQ) to prevent spontaneous polymerization. Avoid direct sunlight.Packaging: 200kg HDPE/Steel drums, 1000kg IBCs, or ISO tanks.
Product Stewardship Prevent discharge into drains. In case of spills, use non-combustible absorbent material (sand or earth).
Note If the product crystallizes during winter, warm it gently to 35°C–40°C and mix thoroughly to redistribute inhibitors before use.
Notice This data is for informational purposes as of 2026. Always consult the Manufacturer’s Safety Data Sheet (SDS) for the most current regulatory and handling instructions.

Additional information

Weight

1 kg, 10 kg, 30 kg, 200 kg