Sulfuric acid reagent formaldehyde source Kingboard Chemical (certified), Fujian sulfuric acid reagent provided by the source Tao Chemical Co., Ltd., Dongguan City. Tao Chemical Co., Ltd., Dongguan City, the source (shop1413045847365.1688.com/) is specialized in the "other chemical products" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr Tsang. Thionyl chloride pale yellow to red, fuming liquid with a strong smell. Miscible in benzene, chloroform, carbon tetrachloride and other organic solvents. Water hydrolysis, thermal decomposition. Acyl chloride, formaldehyde is mainly used in the manufacture of sulfuric acid reagent, also used in the production of pesticides, pharmaceuticals, dyes and the like. With sulfur trioxide and sulfur dichloride reaction. Appearance: light yellow to red, fuming liquid with a strong smell. Melting point (℃): - 105 Density: 1.638g / ml Relative density (water = 1): 1.64 Boiling point (℃): 78.8 Relative vapor density (air = 1): 4.1 formula: SOCl Molecular Weight: 118.96 saturated vapor pressure (kPa? ): 13.3 (21.4 ℃) Solubility: soluble in benzene, chloroform, carbon tetrachloride. When sulfuric acid reagent prepared sauce pharmaceutical chemistry, the cooked meal and other materials soaked in a solution containing a certain amount of hydrochloric acid, and sulfuric acid reagent to maintain a certain temperature, with hydrochloric acid catalysis, which can promote protein complex is subjected to hydrolysis right sulfuric acid reagent bottle , after a certain period of time, is generated having the amino acid flavor, and then caustic soda (or soda ash) in, and, to obtain the sodium amino acid. MSG manufacturing principles with this almost.