Sulfur

N-Methylaniline (abbreviated as NMA), CAS No. 100-61-8, is a critical organic chemical intermediate available in multiple purity grades including 95% and 98%. This compound is commonly utilized in fine chemical synthesis, dye manufacturing, and pesticide production due to its versatile reactivity and structural adaptability.

Sulfur is a fundamental raw material widely used in the chemical, agricultural, and industrial sectors, appearing as a yellow crystalline solid. In industry, sulfur is primarily used in the production of sulfuric acid, which is crucial in fields such as chemicals, mining, and refining. Additionally, sulfur is an important raw material for the manufacture of fertilizers, rubber products, pesticides, and pharmaceuticals. With the growing global demand for high-purity sulfur, its applications across various industries are gradually expanding.

Coal tar pitch is a solid or semi-solid substance obtained by the distillation and purification of coal tar, appearing in a black, glossy state. It is a complex mixture containing various aromatic compounds and has adhesive and heat-resistant properties. In industry, coal tar pitch is primarily used in the manufacturing of aluminum, electrodes, refractory materials, and carbon products, with widespread applications in metallurgy, building materials, and road construction.

Petroleum coke is a carbon material obtained during the petroleum refining process, appearing as a black or dark gray solid with a hard, microporous structure. It possesses high calorific value, high carbon content, and low volatility, making it widely used in industries such as electrodes, metallurgy, and casting. It is particularly important as a fuel and carbon source in aluminum smelting and electric arc steel production. Additionally, high-quality needle coke is used in the production of graphite electrodes and battery anode materials.

Sodium hydroxide, with the chemical formula NaOH, also known as caustic soda or lye, is a strong alkaline compound that appears as a white solid and readily dissolves in water, releasing a significant amount of heat. Sodium hydroxide is widely used in industries such as chemicals, papermaking, textiles, and food processing for the manufacture of soap, paper, synthetic fibers, and wastewater treatment. It is one of the fundamental chemicals in industrial production.

Sodium hydroxide solution is a transparent, colorless alkaline liquid containing ≥30% sodium hydroxide. This solution is widely used in fields such as chemicals, papermaking, textiles, food processing, and water treatment, making it convenient for transportation and direct application in industrial production. Sodium hydroxide solution possesses high alkalinity and reactivity, making it an ideal neutralizing agent, detergent, and fundamental material for chemical synthesis.

Benzene is a colorless organic compound with a sweet odor, with the chemical formula C₆H₆. It is one of the most fundamental aromatic hydrocarbons. As a key raw material in the chemical industry, benzene is widely used to synthesize various downstream chemicals, including styrene, cyclohexane, phenol, and adipic acid, which are used in the production of plastics, synthetic fibers, rubber, dyes, and pharmaceuticals. The importance of benzene in industrial production makes it one of the foundational raw materials in the global petrochemical industry.

Methanol, also known as wood alcohol or methyl alcohol, is a colorless liquid with a slight odor, with the chemical formula CH₃OH. As a fundamental chemical raw material and a new energy source, methanol is widely used in the chemical, energy, and environmental protection fields. It is used to produce various chemicals, including formaldehyde, acetic acid, and methyl tert-butyl ether (MTBE), and can also be used directly as a fuel or fuel additive, playing an increasingly important role in clean energy and fuel cell applications.