Industrial-grade glycerine | Wei Connaught Chemical (certified) | glycerin provided by Qingdao Chengyang Wei Connaught Chemical Co. Qingdao Wei Connaught Chemical Co. (www.qdweinuo.com) is specialized in the "phenol, aniline, ethylene, n-butanol, isobutanol, n-propanol, isopropanol, methanol," the business, the company adhering to the "integrity management, service intentions, "the idea, to provide you with the highest quality products and services. Welcome to inquire! Contact: Feng Zhongying. Glycerol, 1,2,3-propanetriol chemical name, abbreviation glycerol. Structural formula CH2 --- CH --- CH2 III OH OH OH glycerol and white vinegar can whiten it? Whitening method is very popular online, and I believe that to be effective, but have insisted that they have to adjust the ratio of glycerol hydrogen sulfide, the proportion of white vinegar to a small point, multi-polar love fresh glycerin glycerol, there can no longer face with glycerin manufacturers do not use sensitive skin nourishing the skin and prevent chapped, the first time our family all painted this, and can also be used on the lips, especially now that the dry weather ~~~ Karma simply, glycerin is a . kinds of organic chemicals effect is skin surface tension (20 ℃): 63.3 mN / m saturated vapor pressure (kPa): 0.4 (20 ℃) ??Flash point (℃): 177 ignition temperature (℃): 370 volume expansion coefficient / K-1: 0.000615