Eversorb® 57 is a liquid formamidine-type high-performance UV absorber.

Synonyms: N-(Ethoxycarbonylphenyl)-N'-methyl-N'-phenyl formamidine

Enhanced TDS

Identification & Functionality

Chemical Family
Chemical Name
Manufactured By
Plastics & Elastomers Functions
Technologies
Product Families
Chemical Structure

Eversorb® 57 - Chemical Structure - 1

Features & Benefits

Materials Features
Product Advantages
  • With a very strong absorption especially in between 300 and 330nm of the
  • UV-spectrum where UV radiation is in particular degradation for PU system..
  • Excellent compatibility with variety of PU polymers.

Applications & Uses

Compatible Polymers & Resins
Recommeded Applications

Eversorb® 57 is particularly recommended for excellent light stability to a number of PU system during their use.

Properties

Physical Form
Appearance
Yellowish liquid
Typical Properties
ValueUnitsTest Method / Conditions
Melting Point27 - 28°C-
Molecular Weight282.3g/mol-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Solubility in Water (at 20°C)max. 0.1%-
Density (at 20°C)1.13g/cm-
Vapor Pressure (at 20°C)1.0X10⁻⁴Pa-
Ignition Temperaturemin. 400°C-
Flash Pointmin. 100°C-
Boiling Pointmin. 400°C-
Melting Point27 -28°C-
OdorNone--
ColorSlight Yellow--
Physical FormLiquid--
Solubility Data
ValueUnitsTest Method / Conditions
n-Butyl Acetate Solubility (at 25°C)min. 50g/100g solvent-
Xylene Solubility (at 25°C)min. 50g/100g solvent-
Ethanol Content Solubility (at 25°C)min. 50g/100g solvent-
Water Solubility (at 25°C)max. 0.01g/100g solvent-

Regulatory & Compliance

Technical Details & Test Data

UV Visible Spectrum Graph

UV-Vis. Spectrum λmax.=316nm (20ppm in THF)

Eversorb® 57 - Chemical Structure - 1

TGA scans

5% weight loss: 228°C

Eversorb® 57 - UV Visible Spectrum Graph - 1

Storage & Handling

Storage Conditions

Eversorb® 57 is somewhat sensitive to hydrolysis, light and heat. This store in tightly sealed containers and protected from light in a cool and dry ventilated environment. Upon longer storage time crystallization could occur. Warming up in a heat chamber (T<=60°C) is recommended.