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Polymer Additives

BASF 4-Hydroxybutyl Acrylate (4-HBA)

Technical DataSheet | Supplied by BASF

BASF 4-Hydroxybutyl Acrylate (4-HBA) is an acrylate monomer. Acts as a rheology modifier, crosslinking agent and anti-scratch agent. It forms homopolymers and copolymers. Exhibits scratch resistance, weatherability and has low VOC.

BASF 4-Hydroxybutyl Acrylate (4-HBA) Product details

Product Type
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CAS Number
Physical Form
Clear, Colorless or slightly yellowish
Product Status
Applications/ Recommended for
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Labels/Agency Rating

BASF 4-Hydroxybutyl Acrylate (4-HBA) Properties


Value & Unit
Test Condition
Test Method
Density at 25 °C
xxxxx g/cm3
Refractive index nd at 20 °C
Boiling point
xxx °C
Freezing point (BS 523/1964)
xxxxxx °C
Viscosity at 20 °C
xxxx mPa · s
Viscosity at 40 °C
xxx mPa · s
Specific heat of liquid
xxx kJ/kg °C
Heat of evaporation at boiling point
xxx kJ/kg
Vapor pressure at 180 °C
xxx mbar
Vapor pressure at 100 °C
xxx mbar
Assay (Gas chromatography)
xxxx %
Butanedioldiacrylate (Gas chromatography)
xxxxx %
Water content, (ASTM E 203)
xxxxx %
Acid content, expressed as acrylic acid (ASTM D 1613-81)
xxxxx %
Color on dispatch (ASTM D 1209)
Standard stabilization (ASTM D 3125-83)
xxxxxxxxx ppm MEHQ
Last edited Dec 18, 2017
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