... power or granules. Odorless, non-toxic, hygroscopic. Density 1.3g/cm, apparent density 0.25-0.7g/cm3, discoloring temperature 190 ... temperature 225-230°C, surface tension (25°C) 47-53dyn/cm. Technically insoluble in ethanol, ethyl ether, chloroform; soluble in water ... ventilated place. Avoid moisture, fire, heat and direct sunlight. methyl cellulose(MC)