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"From Traditional Intermediates to Green Chemistry: Technological Breakthroughs of Refined Naphthalene in Dyes1. Industry driving factors• Environmental protection policy: China's "Emission Standard of Pollutants for the Dye Industry" has forced low-sulfur processes.• High-end demand: Digital print
Refined naphthalene is a high-purity naphthalene (C₁₀H₈) product, typically obtained by further purifying industrial naphthalene, with a purity of over 99%. Its CAS number is 91-20-3, and its molecular formula is C₁₀H₈. It appears as white or slightly reddish plate-like crystals and has a mild aroma
According to the national standard "GB/T 6699-1998", refined naphthalene is classified into premium grade, first grade, and qualified grade. The main indicators are as follows:| Item | Premium Grade | First Grade | Qualified Grade | |--------------|--------------|--------------|-------------
Refined naphthene: multi-functional industrial raw material, helping the innovation and development of ceramic and energy industriesNaphthene is a kind of natural organic compound with high purity. Due to its unique physical and chemical properties, naphthene has become an indispensable raw material
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