2-methyl-3H-benzimidazole-5-carboxylic acid is a compound with specific chemical structure and physical properties. It has a melting point in the range 301-302°C, a boiling point estimated at 307.77°C, a density of about 1.2662 g/cm³, and a refractive index of about 1.5570. This compound usually exists in powder form and has a certain acidity coefficient (pKa value of 3.13±0.30). Under storage conditions, it needs to be kept sealed in a dry environment at a moderate temperature (see related literature)