UV 400
[CAS# 153519-44-9]

Identification

• Classification: Catalysts and additives >> UV absorber
• Name: UV 400
• Synonyms: Tinuvin 400; 2-[4-[2-Hydroxy-3-tridecyloxypropyl]oxy]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine and 2-[4-[2-hydroxy-3-didecyloxypropyl]oxy]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine
• Molecular Formula: C₈₁H₁₀₈N₆O₈
• Molecular Weight: 1293.76
• CAS Registry Number: 153519-44-9
• EC Number: 604-910-4
• SMILES: CCCCCCCCCCCCCOCC(COC1=CC(=O)/C(=C/2\NC(=NC(=N2)c3ccc(cc3C)C)c4ccc(cc4C)C)/C=C1)O.CCCCCCCCCCCCOCC(COC1=CC(=O)/C(=C/2\NC(=NC(=N2)c3ccc(cc3C)C)c4ccc(cc4C)C)/C=C1)O

Safety Data

• Hazard Symbols: GHS09 Warning
• Hazard Statements: H410
• Precautionary Statements: P273-P391-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400

Discovory and Applicatios

UV 400 is a chemical compound that is primarily used as a UV absorber, protecting materials from the harmful effects of UV rays. Its discovery is part of an ongoing effort to develop better stabilizers for polymers and coatings that are exposed to sunlight. UV 400 belongs to a class of organic compounds that absorb UV rays and convert them into harmless heat, thereby preventing damage to the material structure.

The chemical structure of UV 400 is designed to absorb UV rays in the range of 300 to 400 nanometers, which corresponds to the UVA and UVB regions of the electromagnetic spectrum. The compound is typically composed of an aromatic ring system with conjugated double bonds that absorb UV rays efficiently. UV 400 is synthesized through a series of chemical reactions that produce a compound that absorbs light while maintaining compatibility with the polymer matrix.

One of the most common applications of UV 400 is in the plastics and coatings industry. It is often added to materials such as polycarbonate, acrylic, and polyvinyl chloride to prevent photodegradation, which can cause discoloration, brittleness, and loss of mechanical properties. For example, UV 400 is used in the production of automotive parts, outdoor furniture, and packaging materials to extend their life and maintain their appearance when exposed to sunlight.

In addition to its use in polymers, UV 400 is also used in the manufacture of optical lenses and sunglasses. It protects these products from the damaging effects of UV radiation, which can cause eye fatigue and long-term damage to vision. By blocking harmful UV rays, UV 400 helps maintain the integrity of these products and ensures that they provide adequate protection for the user.

In addition, UV 400 is used in the textile industry, where it is applied to fabrics to prevent fading and deterioration caused by exposure to sunlight. In addition to its role in consumer products, UV 400 is also used in industrial applications where materials are constantly exposed to UV rays to ensure their longevity and performance.

The discovery and widespread use of UV 400 highlights its importance in protecting materials from UV damage. Its ability to effectively absorb UV rays makes it an essential ingredient across a wide range of industries, helping to improve the durability and performance of products used outdoors and in high-UV environments.