Tinuvin-1130
[CAS# 104810-48-2]

Identification

• Classification: Catalysts and additives >> Antioxidant
• Name: Tinuvin-1130
• Synonyms: [3-[3-(2H-Benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-hydroxypoly(oxo-1,2-ethanediyl)
• Molecular Formula: C₁₉H₂₁N₃O₃^.(C₂H₄O)_n=6-7
• CAS Registry Number: 104810-48-2
• EC Number: 600-603-4
• SMILES: CC(C)(C)C1=C(C(=CC(=C1)CCC(=O)OC)N2N=C3C=CC=CC3=N2)O

Properties

• Density: 1.2±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.601, Calc.^*
• Boiling Point: 500.2±60.0 ºC (760 mmHg), Calc.^*
• Flash Point: 256.3±32.9 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07;GHS09 Warning
• Hazard Statements: H317-H411
• Precautionary Statements: P261-P272-P273-P280-P302+P352-P321-P333+P317-P362+P364-P391-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Reproductive toxicity	Repr.	2	H361
Skin sensitization	Skin Sens.	1B	H317
Skin sensitization	Skin Sens.	1A	H317
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400

Discovory and Applicatios

Tinuvin-1130 is a hydroxyphenylbenzotriazole-based UV absorber developed to meet the need for long-term stabilization of materials exposed to sunlight. Its unique structure, consisting of a benzotriazole group combined with a hydroxyphenyl moiety, enables it to effectively absorb a broad spectrum of UV light, particularly in the UV-A and UV-B ranges. This ability makes it a key additive in a variety of industries, especially in the areas of polymer stabilization and coatings.

The discovery of Tinuvin-1130 stems from extensive research into light stabilizers in the late 20th century. Scientists were investigating compounds that could provide long-lasting UV protection without compromising material properties. Tinuvin-1130 is an excellent solution due to its excellent thermal stability and minimal interaction with other formulation ingredients. These attributes make it particularly suitable for high-performance applications that require prolonged exposure to sunlight and heat.

Tinuvin-1130 works by absorbing harmful UV light and converting it into low-energy heat, thereby preventing degradation of the host material. This mechanism reduces the risk of discoloration, cracking, and loss of mechanical integrity in polymers, coatings, and adhesives. The additive is particularly effective in clear and tinted systems where maintaining optical and aesthetic properties is critical.

Tinuvin-1130 has a wide range of applications. In automotive coatings, it plays a key role in maintaining the color and gloss of exterior surfaces exposed to intense sunlight. Its use in plastics such as polycarbonate and polyester ensures durability in outdoor applications including building materials, agricultural films and packaging. Additionally, it is used in wood finishes to protect natural surfaces from photodegradation and maintain their structural and visual integrity over time.

The versatility and reliability of Tinuvin-1130 has made it the standard in light stabilization technology. Its ability to combine high performance with compatibility across a wide range of materials underscores its importance in modern industry. As sustainability and durability continue to drive innovation, Tinuvin-1130 remains a cornerstone of UV stabilization solutions.