亚洲欧美日韩综合一区,四虎成人精品无码永久在线,国产成人无码一区二区三区在线 ,久久一区二区三区精华液

PRODUCTS

guoshun chemical

PRODUCTS

Ethylene glycol

Product name Ethylene glycol
CAS RN 107-21-1
EINECS  203-473-3
Molecular formula C2H6O2
Molecular weight 62.0837
Physical and chemical properties Character: colorless transparent viscous liquid, sweet and hygroscopic.
Boiling point: 198 ℃
Freezing point: - 11.5 ℃
Relative density: 1.1088
Refractive index: 1.4318
Flash point: 116 ℃
Solubility: It is miscible with water, lower aliphatic alcohol, glycerin, acetic acid, acetone and similar ketones, aldehydes, pyridines and similar coal tar alkalis, slightly soluble in ether, almost insoluble in benzene and its homologues, chlorinated hydrocarbons, petroleum ether and oils. 
Purpose It is mainly used to produce synthetic resins, surfactants and explosives, and also used as antifreeze

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   CONTACT  |   中文版

Copyright(C)2022, Changzhou Guoshun Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號(hào):蘇ICP備17001950號(hào)

白少洁第1一40章免费阅读| 久久久久久久97| 成人年无码av片在线观看| 大胸美女被吃奶爽死视频免费| 真人做愛三級片| 欧美熟妇浓毛大bbw| 性色av无码| 人人妻人人澡人人爽国产一区| 亚洲色久悠悠av在线观看| 清纯校花被c得欲仙欲死| 做床爱30分钟免费观看| 国产看黄网站又黄又爽又色| 藏精阁av无码亚洲av| 中文精品久久久久人妻不卡| 欧美熟妇XXXXX欧美老妇不卡| 熟女视频一区二区在线观看| 秋霞影院午夜伦a片欧美| 再深点灬舒服灬太大了岳视频| 欧美乱妇狂野欧美在线视频| 欧美xxxx做受性欧美88| 国产精品乱码一区二区三区| 500篇艳妇短篇合午夜人屠| 狂野欧美性猛交XXXX| 熟女俱乐部五十路六十路av| 99re6在线视频精品免费| 舐め犯し3波多野结衣| 性无码一区二区三区在线观看| 亚洲AV永久无码精品国产精品| 无套和妇女做内谢| 性久久久久久久| 强壮的公次次弄得我高潮a片日本| 叫大声点浪货腿张开点学生| 久久久亚洲精品无码| 白女人荫蒂高潮视频| 初尝禁果稚嫩宫交h| 国产av无码专区亚洲av桃花庵 | 精品亚洲成a人片在线观看| 上司人妻互换中文字幕| 日韩毛片无码永久免费看| 成人动漫在线观看| 亚洲av无码专区国产不卡顿|