(+)-N-［2-［1(S)-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl) ethyl］-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl］acetamide

Formula

Chinese product name: Aprester

Chinese alias: (S)-2-[1-(3-ethoxy-4-methoxyphenyl)-2-methanesulfonylethyl]-4-acetylaminoisoindoline-1,3 -diketone

English product name: Apremilast

Cas#608141-41-9

Molecular formula: C22H24N2O7S

Molecular weight: 460.5

Appearance and properties: Off-white powder

(+)-N-［2-［1(S)-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl) ethyl］-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl］acetamide is for psoriatic arthritis drug, psoriasis and psoriatic arthritis drug.

Usage: Apremilast is an oral, selective phosphodiesterase 4 (PDE4) inhibitor developed by the American company Celgene, with the trade name Otezla. This drug is the first and only FDA-approved drug for plaque-type silver. PDE4 inhibitor for the treatment of psoriasis, for the treatment of adult patients with moderate to severe plaque psoriasis (Plaque Psoriasis) who are suitable for phototherapy and systemic therapy.

The Role and Advantages of the Furnace Hot Surface Ignitor in Modern Heating Systems

In the realm of heating technology, the Furnace Hot Surface Ignitor (HSI) has emerged as a critical component for efficient and reliable ignition in gas-fired heating systems. Unlike traditional spark igniters, this device relies on advanced materials and engineering to deliver consistent performance. This article explores the unique characteristics and diverse applications of the Furnace Hot Surface Ignitor, highlighting its significance in residential, commercial, and industrial settings.

Key Characteristics of the Furnace Hot Surface Ignitor

Material Durability: Modern Furnace Hot Surface Ignitors are typically crafted from silicon carbide or nitride ceramics. These materials withstand extreme temperatures (up to 2,500°F) without degrading, ensuring longevity even under frequent thermal cycling.

Energy Efficiency: By directly heating to ignite gas, the Furnace Hot Surface Ignitor eliminates the need for a continuous pilot light, reducing energy waste and lowering operational costs.

Silent Operation: Unlike spark-based systems, the HSI operates without audible noise, making it ideal for noise-sensitive environments.

Fast Activation: The device reaches ignition temperature within 15–60 seconds, enabling quick system startups and improving user convenience.

Applications of the Furnace Hot Surface Ignitor

The versatility of the Furnace Hot Surface Ignitor has led to its adoption across multiple sectors:

Residential Heating: Most modern gas furnaces integrate an HSI to ensure safe, efficient ignition. Its reliability minimizes maintenance calls during cold seasons.

Commercial HVAC Systems: Large-scale heating units in offices, schools, and hospitals rely on the Furnace Hot Surface Ignitor for consistent performance under heavy usage.

Industrial Processes: High-temperature industrial furnaces, such as those used in metalworking or ceramics production, utilize HSIs for precise ignition control.

Commercial Appliances: Restaurant ovens, laundry dryers, and boilers also employ this technology due to its durability and energy-saving benefits.

Advantages Over Traditional Ignition Systems

The Furnace Hot Surface Ignitor outperforms older spark-based systems in several ways. First, its lack of moving parts reduces mechanical failure risks. Second, it eliminates the safety hazards associated with standing pilot lights, such as gas leaks or incomplete combustion. Additionally, its ability to function in low-gas-pressure scenarios ensures reliable operation even in suboptimal conditions.

Maintenance and Longevity

While the Furnace Hot Surface Ignitor is designed for durability, factors like voltage fluctuations or contaminants can shorten its lifespan. Regular inspections and cleaning are recommended to maintain peak efficiency. Most HSIs last 3–7 years, depending on usage intensity and environmental conditions.

Conclusion

As heating technologies evolve, the Furnace Hot Surface Ignitor remains a cornerstone of modern ignition systems. Its robust design, energy efficiency, and adaptability make it indispensable across residential, commercial, and industrial applications. By understanding its characteristics and proper maintenance requirements, users can maximize the benefits of this innovative component, ensuring reliable warmth and operational efficiency for years to come.