Eversorb® 12 is a strong UV light absorber with excellent compatibility with polymers. Its chemical name is 2-hydroxy-4-n-octoxybenzophenone, and it belongs to the benzophenone family. Eversorb® 12 helps retard yellowing and degradation of mechanical properties in polymers, ensuring long-lasting performance and stability. It offers good mechanical resistance, non-yellowing properties, and very good heat resistance. Compatible with polyethylene (PE), polypropylene (PP), and polyvinyl chloride (PVC), it is available in powder form. Eversorb® 12 is a UV absorber, compliant with TSCA (USA).

Functions: UV Absorber

Chemical Family: Benzophenones

Compatible Polymers & Resins: Polyethylenes (PE), Polypropylenes (PP), Polyvinyl Chloride (PVC)

Synonyms: (2-Hydroxy-4-octoxyphenyl)-phenylmethanone, [2-Hydroxy-4-(octyloxy)phenyl]phenylmethanone, 2-Benzoyl-5-octyloxyphenol, 2-Hydroxy-4-(n-octyloxy)benzophenone, 2-Hydroxy-4-(octyloxy)benzophenone, 2-Hydroxy-4-octoxybenzophenone, 4-(Octyloxy)-2-hydroxybenzophenone, 4-n-Octyloxy-2-hydroxybenzophenone, NSC 163400, Octabenzone

Enhanced TDS

Identification & Functionality

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

Eversorb® 12 - Chemical Structure - 1

Features & Benefits

Applications & Uses

Compatible Polymers & Resins
Advantages
  • Very strong UV absorptivity in the UV region.
  • Very low vapor pressure prevents product from loss during processing.
  • Very good compatibility with polymers.
  • Very high heat resistance, without significant degradation or volatility at proper extrusion temperature.
  • Eversorb®12 is particularly recommended for PE, PP, PVC and elastomers.

Properties

Physical Form
Appearance
Slightly yellowish crystalline powder
Physical Properties
ValueUnitsTest Method / Conditions
Melting Point47.0~49.0°C-
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight326.4g/mol-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Specific Gravity1.16--
Vapor Pressure (at 20°C)5*1.0E-5Pa-
Ignition Temperature370°C-
Flash Pointmin. 200°C-
Melting Point47 - 49°C-
OdorNone--
ColorSlightly Yellow--
Physical FormCrystal powder--
Insoluble inWater--
Solubility Data
ValueUnitsTest Method / Conditions
Methyl Alcohol Solubility (at 25°C)1g/100g solvent-
Ethyl Alcohol Solubility (at 25°C)3g/100g solvent-
Dioctyl Phthalate Solubility (at 25°C)25g/100g solvent-
Methyl Ethyl Ketone Solubility (at 25°C)65g/100g solvent-
Benzoic Acid Solubility (at 25°C)72g/100g solvent-
Acetone Solubility (at 25°C)74g/100g solvent-
Water Solubility (at 25°C)max. 0.01g/100g solvent-

Regulatory & Compliance

Chemical Inventories

Technical Details & Test Data

Techical Information
  • UV-Vis. Spectrum λmax.=289nm & 327nm (20ppm in THF)
  • Eversorb® 12 - Technical Information - 1
  • TGA scans 5% weight loss: 255oC (Ramp: 10.0 C/min to 800C)

Eversorb® 12 - Technical Information - 1

Storage & Handling

Storage and Handling Information
  • Personal equipment for protection is recommended.
  • Excess exposure to the product should be avoided.
  • Wash thoroughly after handling.
  • Eversorb® 12 should be kept in a dry, dark place without any light exposure.