Uvasorb HEB
[CAS# 154702-15-5]

Identification

• Classification: Analytical chemistry >> Standard >> Volatile organic compounds (VOCs)
• Name: Uvasorb HEB
• Synonyms: 4,4'-[[6-[[4-[[(1,1-Dimethylethyl)amino]carbonyl]phenyl]amino]-1,3,5-triazine-2,4-diyl]diimino]bisbenzoic acid 1,1'-bis(2-ethylhexyl) ester
• Molecular Formula: C₄₄H₅₉N₇O₅
• Molecular Weight: 765.98
• CAS Registry Number: 154702-15-5
• EC Number: 421-450-8
• SMILES: CCCCC(CC)COC(=O)C1=CC=C(C=C1)NC2=NC(=NC(=N2)NC3=CC=C(C=C3)C(=O)NC(C)(C)C)NC4=CC=C(C=C4)C(=O)OCC(CC)CCCC

Properties

• Density: 1.2±0.1 g/cm³, Calc.^*, 1.152 g/cm³
• Index of Refraction: 1.590, Calc.^*

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

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302-H315-H319-H335
• Safety Statements: P261-P280-P301+P312-P302+P352-P305+P351+P338

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412

Discovery and Applications

Uvasorb HEB is a chemical compound recognized for its significant role in the field of ultraviolet (UV) light protection. Developed in the late 20th century, it belongs to a class of compounds known as UV absorbers, which are essential in protecting materials and formulations from the harmful effects of UV radiation.

The primary application of Uvasorb HEB is in the formulation of sunscreen products and other cosmetics. It serves as a UV filter that absorbs and neutralizes UV radiation, preventing it from penetrating the skin and causing damage. This function is crucial for protecting against skin aging, sunburn, and other adverse effects of sun exposure. Uvasorb HEB is valued for its broad-spectrum protection, which means it can absorb both UVA and UVB rays, providing comprehensive protection for users.

In addition to its use in personal care products, Uvasorb HEB is employed in the formulation of various industrial products. It is incorporated into coatings, plastics, and adhesives to enhance their resistance to UV degradation. By preventing UV-induced deterioration, Uvasorb HEB helps to prolong the lifespan and maintain the quality of these materials, which is particularly important for products exposed to sunlight or other sources of UV radiation.

The effectiveness of Uvasorb HEB in UV protection is attributed to its chemical structure, which allows it to absorb UV light and convert it into harmless heat. This mechanism not only protects the skin and materials but also helps to prevent the formation of harmful byproducts that can result from UV exposure.

Despite its benefits, the use of Uvasorb HEB, like other chemical UV filters, is subject to regulatory scrutiny. Ongoing research and assessment are conducted to ensure its safety and efficacy in various applications. Regulatory agencies evaluate its potential impacts on human health and the environment to ensure that it is used responsibly.

References

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