PHENOLIC BENZOTRIAZOLE (TINUVIN 234)

Phenolic Benzotriazole (Tinuvin 234) is a high-performance ultraviolet (UV) absorber widely used in plastics, coatings, and adhesives to enhance their resistance to UV degradation.
Phenolic Benzotriazole (Tinuvin 234) provides excellent thermal stability and UV absorption, making it particularly effective for applications requiring long-term exposure to sunlight and high temperatures.
This benzotriazole-based UV stabilizer is valued for its high efficiency in protecting materials from discoloration, cracking, and loss of physical properties due to UV radiation.

CAS Number: 70321-86-7
EC Number: 274-570-6
Molecular Formula: C30H25N3O
Molecular Weight: 455.55 g/mol

Synonyms: Phenolic Benzotriazole, Tinuvin 234, UV Absorber Tinuvin 234, 2-(2H-Benzotriazol-2-yl)-p-cresol Derivative, Benzotriazole UV Stabilizer, Tinuvin UV-234, Phenolic Benzotriazole UV Absorber, Tinuvin Light Stabilizer, UV Filter Tinuvin 234, Polymer UV Stabilizer, Tinuvin UV Protector, UV Absorber for Plastics, Phenolic Benzotriazole for Coatings, Tinuvin UV-234 for Adhesives, Benzotriazole Antioxidant, Phenolic Tinuvin, C30H25N3O UV Stabilizer, Tinuvin UV Additive, Phenolic UV Stabilizer 234, Benzotriazole Derivative UV Absorber

APPLICATIONS

Phenolic Benzotriazole (Tinuvin 234) is extensively used in the plastics industry to protect polycarbonate, polyester, and polyamide products from UV degradation.
Phenolic Benzotriazole (Tinuvin 234) is applied in polypropylene and polyethylene formulations to improve outdoor durability and prevent yellowing.
Phenolic Benzotriazole (Tinuvin 234) is found in polyvinyl chloride (PVC) applications, enhancing UV resistance and prolonging material life.

Phenolic Benzotriazole (Tinuvin 234) is incorporated into automotive coatings, where it protects paint and plastic components from fading and cracking due to UV exposure.
Phenolic Benzotriazole (Tinuvin 234) is used in industrial coatings for outdoor equipment and structures, ensuring long-lasting color and finish.
Phenolic Benzotriazole (Tinuvin 234) is included in architectural coatings, where it provides enhanced UV resistance for exterior surfaces.

Phenolic Benzotriazole (Tinuvin 234) is utilized in adhesive formulations to prevent degradation and maintain bond strength under UV exposure.
Phenolic Benzotriazole (Tinuvin 234) is found in sealants used for outdoor applications, where it enhances resistance to UV-induced brittleness and discoloration.
Phenolic Benzotriazole (Tinuvin 234) is applied in flexible packaging films, providing protection against UV-induced degradation of both the packaging and contents.

Phenolic Benzotriazole (Tinuvin 234) is used in photovoltaic panels, where it enhances the UV resistance of encapsulation materials.
Phenolic Benzotriazole (Tinuvin 234) is incorporated into optical fibers and cables, protecting them from UV damage and extending their functional life.
Phenolic Benzotriazole (Tinuvin 234) is employed in agricultural films and nets, where it prevents UV-induced breakdown and ensures durability.

Phenolic Benzotriazole (Tinuvin 234) is a key additive in marine coatings and applications, providing UV protection for boats, docks, and other structures exposed to harsh sunlight.
Phenolic Benzotriazole (Tinuvin 234) is applied in sports and recreational equipment, enhancing the durability of items exposed to prolonged outdoor use.
Phenolic Benzotriazole (Tinuvin 234) is found in consumer electronics housings, where it protects plastics and coatings from UV discoloration.

Phenolic Benzotriazole (Tinuvin 234) is used in clear plastics and films, ensuring transparency and preventing yellowing over time.
Phenolic Benzotriazole (Tinuvin 234) is incorporated into automotive headlight lenses, preserving optical clarity and preventing UV-induced damage.
Phenolic Benzotriazole (Tinuvin 234) is included in synthetic fiber treatments to enhance UV resistance for textiles used in outdoor settings.

DESCRIPTION

Phenolic Benzotriazole (Tinuvin 234) is a highly efficient UV absorber derived from benzotriazole, specifically designed for applications requiring superior UV stability and durability.
Phenolic Benzotriazole (Tinuvin 234) provides excellent thermal stability, making it suitable for high-temperature processing and outdoor applications.
The versatility of Phenolic Benzotriazole (Tinuvin 234) allows its use across diverse industries, including automotive, construction, electronics, and packaging.

Phenolic Benzotriazole (Tinuvin 234) is non-migratory and compatible with a wide range of polymers, ensuring long-lasting UV protection without affecting material properties.
As a benzotriazole-based stabilizer, Phenolic Benzotriazole (Tinuvin 234) exhibits high resistance to light and oxidation, preserving the appearance and mechanical integrity of treated materials.
Phenolic Benzotriazole (Tinuvin 234) is an environmentally friendly UV stabilizer, with low volatility and minimal leaching, making it suitable for eco-conscious formulations.

PROPERTIES

Chemical Formula: C30H25N3O
Molecular Weight: 455.55 g/mol
Common Name: Phenolic Benzotriazole (Tinuvin 234)
Appearance: Light yellow crystalline powder
Density: Approx. 1.36 g/cm³
Boiling Point: Decomposes before boiling
Melting Point: 138–142°C
Solubility: Insoluble in water; soluble in organic solvents such as acetone and toluene
Flash Point: >200°C
Reactivity: Stable under normal conditions; avoid strong oxidizing agents
Chemical Stability: Stable in recommended storage conditions
Storage Temperature: Store in a cool, dry place away from direct sunlight
Vapor Pressure: Negligible

FIRST AID

Inhalation:
If Phenolic Benzotriazole (Tinuvin 234) dust or vapors are inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek immediate medical attention.
If the person is not breathing, administer artificial respiration.
Keep the affected person warm and at rest.

Skin Contact:
Wash the affected area with soap and water.
If skin irritation or rash develops, seek medical attention.

Eye Contact:
In case of eye contact with Phenolic Benzotriazole (Tinuvin 234), flush the eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids.
Seek immediate medical attention if irritation or redness persists.
Remove contact lenses if present and easy to do; continue rinsing.

Ingestion:
If Phenolic Benzotriazole (Tinuvin 234) is ingested, rinse the mouth thoroughly with water.
Do not induce vomiting unless directed by medical personnel.
Seek immediate medical attention.
If the person is conscious, give small sips of water to drink.

Note to Physicians:
Treat symptomatically.
No specific antidote.
Provide supportive care.

HANDLING AND STORAGE

Handling:

Personal Protection:
Wear appropriate personal protective equipment (PPE), such as gloves, safety goggles, and protective clothing, when handling Phenolic Benzotriazole (Tinuvin 234).
Use in a well-ventilated area to avoid inhalation of dust or fumes.

Ventilation:
Ensure adequate ventilation when handling Phenolic Benzotriazole (Tinuvin 234) to control airborne concentrations below occupational exposure limits.

Avoidance:
Avoid direct contact with eyes, skin, and clothing.
Do not eat, drink, or smoke while handling Phenolic Benzotriazole (Tinuvin 234).
Wash hands thoroughly after handling.

Spill and Leak Procedures:
Contain spills of Phenolic Benzotriazole (Tinuvin 234) to prevent further release and minimize exposure.
Sweep up spills carefully to avoid dust generation and dispose of according to local regulations.

Storage:
Store Phenolic Benzotriazole (Tinuvin 234) in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizers.
Keep containers tightly closed when not in use to prevent contamination and evaporation.
Store away from heat sources, direct sunlight, and moisture.

Handling Cautions:
Avoid inhalation of dust and direct contact with skin and eyes.
Use explosion-proof equipment in areas where Phenolic Benzotriazole (Tinuvin 234) dust may be present.