Methanol ROTIPURAN® min. 99,8 %, p.a. is an analytical-grade solvent intended for laboratory applications that require a defined high purity. It is identified by CAS number 67-56-1 and EG nr. 200-659-6, with the empirical formula CH₃OH and a molar mass of 32,04 g/mol. Key physical properties include a density of 0,79 g/cm³, a flash point of 9,7 °C and a boiling point of 65 °C, which support safe storage planning and method documentation. The product is a.) category used across chemical and analytical laboratories. With a minimum assay of 99,8 %, this methanol grade is suitable for sample preparation, rinsing steps and general solvent use where p.a. quality is specified. Offered by manufacturer Carl ROTH within the ROTIPURAN® range, provides a practical bench-scale volume for routine work. Laboratories specifying methanol for analytical protocols can reference the stated purity, formula and physicochemical data when aligning reagents with method requirements and internal quality systems. This article is part of Analytical grade solvents (p.a.), in Solvents. Key features Assay: ≥99.8 % Colour (Hazen): ≤10 Refractive index (20 °C): 1.3280-1.3300 Density (20 °C): 0.791-0.793 Evaporation residue: ≤0.001 % Al (Aluminium): ≤0.00005 % B (Boron): ≤0.00005 % Ba (Barium): ≤0.00005 % Ca (Calcium): ≤0.00005 % Cd (Cadmium): ≤0.000005 % CAS number: 67-56-1 Pack sizes: 1 l, 2.5 l, 5 l, 10 l, 25 l EG nr.: 200-659-6 Purity: min. 99,8 %, p.a. Molar mass: 32,04 g/mol Density: 0,79 g/cm³ Technical Information Sheet: Safety Data Sheet:
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