Eversorb® 74

1 of 34 products in this brand
Eversorb® 74 is a yellow powder composed of 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol, classified under the benzotriazoles chemical family. It is listed in chemical inventories such as TSCA (USA), IECSC (China), DSL (Canada), AICS (Australia), ECL (Korea), ENCS (Japan), NZIoC (New Zealand), PICCS (Philippines), and NECSI (Taiwan). This high-performance UV absorber features low initial color, high permanence, and excellent compatibility with stabilizer chemistries.

Functions: UV Absorber

Chemical Family: Benzotriazoles

Features: High Permanence, Low Initial Color, Low Initial Color

Synonyms: 2-(2-Hydroxy-3,5-di-tert-amylphenyl)-2H-benzotriazole, 2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole, 2-(2-Hydroxy-3,5-di-tert-pentylphenyl)benzotriazole, 2-(2′-Hydroxy-3′,5′-di-tert-amylphenyl)benzotriazole, 2-(2H-Benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)phenol, 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol, 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)benzotriazole, 2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)benzotriazole, 2-(3′,5′-Di-tert-amyl-2′-hydroxyphenyl)benzotriazole, 2-(Benzotriazol-2-yl)-4,6-bis-(1,1-dimethyl-propyl)phenol, 2-(Benzotriazol-2-yl)-4,6-bis-(2-methylbutan-2-yl)phenol, 2-[2-Hydroxy-3,5-bis(1,1-dimethylpropyl)phenyl]-2H-benzotriazole, Light Stabilizer 328

Technical Data SheetSafety Data Sheet
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Enhanced TDS

Identification & Functionality

Chemical Family
Benzotriazoles
Chemical Name
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
Manufactured By
Everlight USA
CASE Ingredients Functions
UV Absorber
Plastics & Elastomers Functions
UV Absorber
Technologies
CASE,
Industrial Additives & Materials,
Plastics
Product Families
CASE — Additives
Functional Additives
Plastics — Polymer Additives
Antioxidants & Stabilizers
Industrial Additives & Materials — Processing Aids
Other Processing Additives
Chemical Structure

Eversorb® 74 - Chemical Structure - 1

Features & Benefits

CASE Ingredients Features
High Permanence,
Low Initial Color
Materials Features
Low Initial Color
Product Advantages
  • Readily soluble in a wide range of organic solvents.
  • Minimal color contribution.
  • Low interaction with metals.
  • Excellent compatibility with variety of polymers.

Applications & Uses

Compatible Polymers & Resins
Epoxies (EP),
Polyacrylates,
Polyolefins,
Polyurethanes (PU),
Polyvinyl Chloride (PVC)
Recommeded Applications

Eversorb® 74 particularly recommended for coatings, polyolefines, polyurethanes, PVC, polyacrylate, epoxy, adhesives, and elastomers.

Properties

Color (Properties)
Yellow
Physical Form
Powder
Appearance
Slightly yellowish powder
Typical Physical Properties
ValueUnitsTest Method / Conditions
Melting Point80 - 88°C-
Molecular Weight351.5g/mol-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Vapor Pressure (at 20°C)5*1.0E⁻⁵Pa-
Insoluble inWater--
Specific Gravity1.17--
Ignition Temperature390°C-
Flash Point229°C-
Melting Point80 - 88°C-
OdorNone--
AppearanceSlightly yellow Powder--
Solubility Data
ValueUnitsTest Method / Conditions
Ethyl Acetate Solubility (at 25°C)20g/100g-
Methyl Ethyl Ketone Solubility23g/100g-
n-Butyl Acetate Solubility (at 25°C)28g/100g-
Toluene Solubility (at 25°C)36g/100g-
Xylene Solubility (at 25°C)44g/100g-
Water Solubility (at 25°C)max. 0.01g/100g-

Regulatory & Compliance

Chemical Inventories
AICS (Australia),
DSL (Canada),
ECL (Korea),
ENCS (Japan),
IECSC (China),
NECSI Listed (Taiwan),
NZIoC (New Zealand),
PICCS (Phillipines),
TSCA (USA)

Technical Details & Test Data

UV Visible Spectrum Graph

UV-Vis. Spectrum λmax.=303nm & 343nm (20ppm in THF)

Eversorb® 74 - UV Visible Spectrum Graph - 1

TGA scans

5% weight loss: 225°C (Ramp: 10.0°C/min to 800°C)

Eversorb® 74 - UV Visible Spectrum Graph - 1

Storage & Handling

Storage Conditions

Eversorb® 74 should be kept in a dry, dark place without any light exposure.