• 1. New versatile bimolecular photoinitiating systems based on amino-m-terphenyl derivatives for cationic, free-radical and thiol–ene photopolymerization under low intensity UV-A and visible light sources
  Emilia Hola,Maciej Pilch,Mariusz Galek,Joanna Ortyl Polym. Chem. 2020 11 480
• 2. Multifunctional biphenyl derivatives as photosensitisers in various types of photopolymerization processes, including IPN formation, 3D printing of photocurable multiwalled carbon nanotubes (MWCNTs) fluorescent composites
  Wiktoria Tomal,Anna Chachaj-Brekiesz,Roman Popielarz,Joanna Ortyl RSC Adv. 2020 10 32162
• 3. Photoinitiator-catalyst systems based on meta-terphenyl derivatives as photosensitisers of iodonium and thianthrenium salts for visible photopolymerization in 3D printing processes
  Wiktoria Tomal,Maciej Pilch,Anna Chachaj-Brekiesz,Mariusz Galek,Fabrice Morlet-Savary,Bernadette Graff,Céline Dietlin,Jacques Lalevée,Joanna Ortyl Polym. Chem. 2020 11 4604
• 4. New bimolecular photoinitiating systems based on terphenyl derivatives as highly efficient photosensitizers for 3D printing application
  Emilia Hola,Joanna Ortyl,Magdalena Jankowska,Maciej Pilch,Mariusz Galek,Fabrice Morlet-Savary,Bernadette Graff,Céline Dietlin,Jacques Lalevée Polym. Chem. 2020 11 922
• 5. meta-Terphenyls as versatile fluorescent molecular sensors for monitoring the progress of hybrid polymerization processes
  Wiktoria Tomal,Patryk Szymaszek,Magdalena Bilut,Roman Popielarz,Tomasz ?wiergosz,Joanna Ortyl Polym. Chem. 2022 13 4650

• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzonitriles
• Solvents and Organic Chemicals Organic Compounds cyanides/Cyanides

Comprehensive Guide to Isophthalonitrile (CAS No. 626-17-5): Properties, Applications, and Industry Trends

Isophthalonitrile (CAS No. 626-17-5), a versatile organic compound, has garnered significant attention in industrial and research sectors due to its unique chemical properties. As a derivative of benzene, this high-performance intermediate is widely utilized in the synthesis of advanced materials, including polymers, agrochemicals, and specialty chemicals. Its molecular structure, featuring two nitrile groups attached to a benzene ring at the meta position, contributes to its reactivity and adaptability in various chemical processes.

The growing demand for Isophthalonitrile is closely tied to its role in producing heat-resistant polymers and corrosion-resistant coatings, which align with modern sustainability goals. Industries are increasingly searching for terms like "eco-friendly chemical intermediates" and "high-temperature resistant materials," reflecting the compound's relevance in green chemistry initiatives. Researchers also explore its potential in organic electronics and energy storage systems, addressing current trends in renewable energy technologies.

From a technical perspective, Isophthalonitrile exhibits remarkable thermal stability, with a melting point of 161–163°C and a boiling point of 315°C. These characteristics make it ideal for applications requiring thermal endurance, such as aerospace composites and automotive components. Analytical techniques like HPLC and GC-MS are commonly employed for quality control, ensuring purity levels exceed 98% for industrial-grade material. The compound's solubility profile—soluble in polar organic solvents but insoluble in water—further expands its utility in formulation chemistry.

Market analysts note increased queries about "Isophthalonitrile suppliers" and "CAS 626-17-5 pricing trends," indicating robust commercial interest. The compound's production typically involves ammoxidation of m-xylene, with process optimization being a key focus area for manufacturers aiming to improve yield and reduce environmental impact. Recent patents highlight innovations in catalytic synthesis methods, addressing the industry's push toward cleaner production technologies.

In specialty chemical applications, Isophthalonitrile serves as a precursor for phthalocyanine pigments—a topic frequently searched by coatings professionals. These pigments offer exceptional lightfastness and color stability, making them valuable for automotive paints and industrial coatings. Additionally, the compound's role in synthesizing polyimide resins connects it to emerging markets in flexible electronics and high-performance adhesives, areas experiencing rapid growth due to IoT device proliferation.

Safety considerations for handling Isophthalonitrile emphasize standard laboratory precautions, with particular attention to proper ventilation and personal protective equipment. While not classified under stringent regulatory categories, its industrial hygiene aspects remain important, as evidenced by frequent searches for "CAS 626-17-5 safety data." Proper storage conditions—cool, dry environments away from strong oxidizers—ensure material stability and longevity.

The future outlook for Isophthalonitrile appears promising, particularly in Asia-Pacific markets where chemical manufacturing capacity continues to expand. Research into novel derivatives, such as fluorinated isophthalonitriles for specialty polymers, demonstrates the compound's ongoing innovation potential. As industries seek answers to "sustainable chemical alternatives" and "high-performance material solutions," this compound remains at the forefront of advanced material development.

• 623-26-7(1,4-Dicyanobenzene)
• 39718-07-5(5-Methylisophthalonitrile)
• 95936-65-5(Phenyl, 3-cyano-)
• 56263-67-3(Phenyl, 4-cyano-)
• 22445-42-7(3,5-Dimethylbenzonitrile)
• 2102-15-0(Benzonitrile-D5)
• 1219795-31-9(m-Tolunitrile-d7)
• 95936-64-4(Phenyl, 2-cyano-)
• 10365-94-3(TCB)
• 62147-86-8(Methylene, (4-cyanophenyl)-)