Guangzhou Yang Qing Chemical Co., Ltd. Distribution of propylene glycol, glycerin, triethanolamine, AES, AOS variety, reasonable prices. Guangzhou Yang Qing Chemical Co., strength, credit, keep the contract, to ensure product quality, variety principles of operating characteristics and puerile, and win the trust of our customers. Main: Dow propylene glycol, SKC propylene glycol were prepared by hydration of acrolein hydrogenation of propylene glycol content Zhanjiang Legal 1, 3-PDO, it has also made stage findings, the research laboratory built on the basis of 50t / a pilot plant. Hydration processes using chelating type polystyrene ion exchange resin catalyst in a fixed bed reactor, at a space velocity of 1h-1 Zhanjiang glycol content, acrolein concentration of 15% to 17%, the hydration reaction is carried out at 60 ℃, Acrolein conversion was 83.2%, 3-hydroxy-propionaldehyde (3-HPA) selectivity of 93%; when 3-HPA hydrogenation at 60 ℃, 5.0MPa, the feed under conditions 9h-1 space velocity, the conversion was 96.6%, 1,3-PDO selectivity of 99.6%. Guangzhou Yang Qing Chemical Co., Ltd. Distribution of propylene glycol, glycerin, triethanolamine, AES, AOS variety, reasonable prices. Guangzhou Yang Qing Chemical Co., strength, credit, keep the contract, to ensure product quality, variety principles of operating characteristics and puerile, and win the trust of our customers. Main: Dow propylene glycol, SKC glycol boiling point melting point ℃ -27 ℃ (101.3kPa) 214.0 Flash Point ℃ 80 vapor pressure KPa (20 ℃) ??0.008 relative density D201.0554 refractive ND1.4389 dynamic viscosity m / s46 explosion limit: 2.6-12.6% V / V of solubility in water, alcohol, ether and formamide immiscible, slightly soluble in benzene and chloroform security flammable, encountered strong oxidants causing fire hazard toxicity LD50325.5mg / kg. rat oral 1, 1,3-propanediol alias for a propylene content of Zhanjiang, Zhanjiang 3-hydroxy propane propylene glycol content, the English name of 1,3-propanediol or 1,3-dihydroxypropane, Acronym PDO, CAS No. 504-63-2. The product is a colorless or pale yellow transparent viscous liquid, no odor, molecular formula C3H8O2. Structural formula HOCH2-CH2-CH2OH. A molecular weight of 76.09. Zhanjiang propylene glycol content _ _ Y-Chemical (high-quality businesses) are provided by Jan-Chemical Co., Ltd. in Guangzhou. Road Zhiyuan, temper forward. Guangzhou Yang Qing Chemical Co., Ltd. (www.gzyangqing.com) (www.gzyangqing.com) aims to become and you win symbiosis, strategic partners to move forward, more determined to become the most influential agents of chemical products business, and You leap together, succeed together!