75-05-8 | Acetonitrile

Chemical type

• Polar aprotic organic solvent

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• Polar aprotic organic solvent (nitrile)

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Key properties

• Permeance through PEEK membranes around 3 L m⁻² h⁻¹ bar⁻¹
• Viscosity, molar diameter, kinetic diameter, and polar solubility parameter (δ_p) influence transport mechanisms (pore flow, solution-diffusion, friction)
• Used in mixtures at 0.25 mM per solute for testing
• Promotes higher rejection of small solutes compared to DMF in denser membranes

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• Protein precipitation solvent
• High volatility
• Compatible with LC-MS analysis
• Miscible with water

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• Permeant for evaluating PEEK membrane performance in nanofiltration
• Solvent for complex mixtures of 23 solutes (APIs, aromatics, dyes) in separation tests
• Mobile phase in HPLC analysis for concentration measurements

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• Sample preparation solvent
• Protein precipitation reagent
• Mobile phase component in LC-MS

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Classification by use

• Test solvents for membrane characterization
• Solvents in pharmaceutical and chemical separations

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• Chemicals used as analytical solvents
• Chemicals used in chromatographic analysis

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A trustworthy factory and manufacturer

Demei Chemical Technology Co., Ltd. is a modern high-tech enterprise integrating R&D, production, and sales. The company's founder, Dr. Arron, born in April 1975, graduated from the School of Mechanical Engineering at Yanshan University and has been engaged in research in the fields of mechanical engineering and chemical synthesis for many years. The company's products focus on the chemical industry, primarily dealing in chemical raw materials and chemical production machinery and equipment. With its strong technical capabilities, advanced production equipment, and strict quality management system, the company has earned the trust of customers worldwide.

1. [Cite:1] Molecular fractionation with poly(ether ether ketone) hollow fibers, Advanced Membranes, Volume 7, June 2026, 100193
2. [Cite:2] Transplacental passage of ampicillin: Implications for antenatal therapy, Placenta, Volume 175, 6 March 2026, Pages 66-72