2,3,4-Trihydroxybenzophenone tris(1,2-naphthoquinone-2-diazide-5-sulfonate)
[CAS# 5610-94-6]

Identification

• Classification: Surfactant >> Anionic surfactant >> Sulfonate type
• Name: 2,3,4-Trihydroxybenzophenone tris(1,2-naphthoquinone-2-diazide-5-sulfonate)
• Synonyms: 5-[4-benzoyl-2,3-bis[(6-diazonio-5-oxidonaphthalen-1-yl)sulfonyloxy]phenoxy]sulfonyl-2-diazonionaphthalen-1-olate
• Molecular Formula: C₄₃H₂₂N₆O₁₃S₃
• Molecular Weight: 926.87
• CAS Registry Number: 5610-94-6
• EC Number: 227-030-9
• SMILES: C1=CC=C(C=C1)C(=O)C2=C(C(=C(C=C2)OS(=O)(=O)C3=CC=CC4=C3C=CC(=C4[O-])[N+]#N)OS(=O)(=O)C5=CC=CC6=C5C=CC(=C6[O-])[N+]#N)OS(=O)(=O)C7=CC=CC8=C7C=CC(=C8[O-])[N+]#N

Safety Data

• Hazard Symbols: GHS02 Danger
• Risk Statements: H228-H242
• Safety Statements: P210-P234-P235-P240-P241-P280-P370+P378-P403-P410-P411-P420-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Self-reactive substances or mixtures	Self-react.	D	H242
Flammable solids	Flam. Sol.	2	H228

Discovery and Applications

2,3,4-Trihydroxybenzophenone tris(1,2-naphthoquinone-2-diazide-5-sulfonate) is a specialized chemical compound recognized for its applications in the field of photolithography and as a photosensitive material. This compound was developed in the late 20th century as part of ongoing research into advanced photoresist materials. Researchers sought to enhance the sensitivity and resolution of photoresists used in semiconductor fabrication and other microfabrication processes. The compound’s structure features a tri-substituted benzophenone core linked to naphthoquinone diazide moieties, contributing to its effective light absorption properties.

The primary application of 2,3,4-trihydroxybenzophenone tris(1,2-naphthoquinone-2-diazide-5-sulfonate) lies in its role as a photoresist in the lithography processes used in semiconductor manufacturing. As a photosensitive material, it undergoes a chemical change upon exposure to ultraviolet (UV) light, enabling the transfer of intricate patterns onto substrates such as silicon wafers. This process is crucial in the production of integrated circuits and other electronic components. The compound’s ability to undergo photochemical reactions makes it suitable for generating high-resolution patterns, essential for the miniaturization of electronic devices.

In addition to its use in semiconductor applications, 2,3,4-trihydroxybenzophenone tris(1,2-naphthoquinone-2-diazide-5-sulfonate) finds utility in the production of optical devices and microelectromechanical systems (MEMS). The compound’s photoreactive properties allow it to be used in various layers of coatings and adhesives that require precise patterning. Its incorporation into photoresist formulations enhances the overall performance, providing better sensitivity and stability compared to traditional photoresists.

The development of this compound has contributed to advancements in the electronics industry, particularly in the production of high-density circuits and devices with improved performance. With the continuous demand for smaller, faster, and more efficient electronic components, the use of specialized materials like 2,3,4-trihydroxybenzophenone tris(1,2-naphthoquinone-2-diazide-5-sulfonate) is crucial. Researchers are continually exploring ways to optimize its properties and develop new formulations that meet the evolving needs of the semiconductor industry.

Safety and regulatory considerations are also important in the use of this compound. The handling and processing of photoresists involve exposure to UV radiation, necessitating strict safety measures in industrial settings. Manufacturers must adhere to regulations governing the use of chemical substances, ensuring that workers are protected and that environmental impacts are minimized.

In summary, 2,3,4-trihydroxybenzophenone tris(1,2-naphthoquinone-2-diazide-5-sulfonate) is a significant chemical substance in the realm of photolithography and microfabrication. Its discovery marked a step forward in the development of advanced photoresist materials, facilitating the creation of high-resolution patterns in semiconductor manufacturing. As technology continues to advance, the importance of such specialized compounds will remain paramount in meeting the demands of the electronics industry.

References

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