欧美激情在线观看视频免费的,18禁超污无遮挡无码免费游戏,亚洲精品nv久久久久久久久久,中国videosex高潮,永久亚洲成a人片777777,日本熟妇色xxxxx,麻豆床传媒网站入口,99精品视频在线观看

簡體中文 | ENGLISH

Hotline: +86-557-5035888

Eastsky Pharm Technology

Securities code: 660952

PRODUCTS

PRODUCTS

www.gsxcl.cn

Urea

Structural formula
Products Name Urea
CAS NO 57-13-6
Molecular formula CH4N2O
Appearance colorless prismatic shape crystal or white crystal powder; easily soluble in water, ethyl alcohol and boiled ethyl alcohol; insoluble in diethyl ether and chloroform
Use Urea is a keratolytic agent, a diuretic and dehydrating agent. Urea can dissolve keratin, increase the hydration of keratin, and has anti-itch and antibacterial effects. In addition, it can increase the penetration of drugs through the skin, and can also be used as a cosolvent to increase the solubility of some drugs in water. It can be used for injections, oral preparations and external preparations.
Specification 25kg/drum

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

CONTACT US

Add: No. 6 Jinjiang 6th Road, Economic Development Zone, Suzhou City, Anhui Province, China

Phone: +86-13357610818
Tel: +86-557-5035888 Fax: +86-557-5035888

E-mail: yuzhenyun@126.com

HOTLINE

+86-557-5035888

Copyright(C)2020, Eastsky Pharm (Anhui) Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:皖ICP備12008971號

主站蜘蛛池模板: 有码+日韩+在线观看| 236宅宅理论片免费| 一个添下面两个吃奶把腿扒开| 美丽姑娘高清视频免费中国观看| 欧美怡红院免费全部视频| 国产女人爽的流水毛片| 天天爽夜夜爽人人爽| 999精产国品一二三产区区| 国产av一区二区精品久久| 欧美性free玩弄少妇| 亚洲一区二区自偷自拍另类| 国产精品成人va在线播放| 亚洲国产一区二区三区| 亚洲日韩中文字幕在线播放| 暖暖免费视频| 亚洲国产中文字幕在线视频综合 | 中文字幕人妻色偷偷久久| 中文精品无码中文字幕无码专区| 肉色超薄丝袜脚交一区二区| 国产日韩精品中文字无码| 国产麻豆精品精东影业av网站 | 麻花豆传媒剧国产mv| 亚洲中文久久精品无码| 免费国产黄网站在线观看| 亚洲真人无码永久在线观看| 免费a级毛片在线播放不收费| 抽搐一进一出试看60秒体验区| 老年人性行交视频| 手机福利视频| 中文字幕人妻伦伦| 韩国善良美丽的老师2| 麻豆一区二区大豆行情| 国产成人午夜精品久久久久久| 久久www免费人成看片入口| 18成禁人视频免费网站| 亚洲av毛片一区二区三区| 在线高清理伦片a| av片在线观看| 娇小bbw搡bbbb搡bbbb∨| а√在线地址最新版| 一区二区三区国产|