久久99精品国产自在现线小黄鸭,亚洲天堂一区二区在线看,精品久久久国产一区二区,久久久消防器材一区二区

Trimethyl orthoformate
Trimethyl orthoformate

English name: Trimethyl orthoformate
CAS RN:149-73-5
EINECS number: 205-745-7
Molecular formula: C4H10O3
Molecular weight: 106.14
Structural formula:
Product Introduction
Trimethyl orthoformate, also known as trimethoxymethane, is an organic compound with the chemical formula C4H10O3. It is a colorless and transparent liquid that is soluble in water, alcohols, and ethers. It is mainly used as an intermediate in the production of vitamin B1, sulfonamide drugs, antibiotics, and other drugs. It is also a raw material for spices and pesticides, and an additive for polyurethane coatings.
purpose
Used as an intermediate for the production of vitamin B1, sulfonamide drugs, antibiotics and other drugs, it is a raw material for spices and pesticides, and an additive for polyurethane coatings

Back
Address:
Office location: Lanzhong Building, TEDA Microelectronics Industrial Zone, Jinnan District, Tianjin City
Telephone:
Tel:+86-15620066789
Fax:+86-22-28751476
mobile
Copyright (C) 2024,Tianjin Taozhu Technology Co., Ltd. All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice
Copyright (C) 2024,Tianjin Taozhu Technology Co., Ltd. All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice
男人女人啪啪啪白浆漫画| 久久久久久久久久久伊人| 亚洲色欲色欲WWW在线| 插美女老师阴道在线马同| 男生生殖器官里面有黄色| 国产亚洲第一伦理第一区| 日韩xxxxxxxxx| 日本大香蕉视频一区二区| 2022AV网在线观看| 欧美精品23页在线观看| 草草影院地址国产第一页| 黑丝艺校妹子啪啪吃鸡巴| 国产精品亚洲视频欧美视频| 女生把腿张开让男人来桶| 操美女光屁股好好爽插′| 粗暴的撑开她干涩的菊门| 大鸡巴干大逼404大片| 高清欧美性猛交xxxx| 无码内射嫩逼逼| 污视频网站在线观看免费| 这里只有精品99re久色| 爱爱插插我要小骚货视频| 丰满少妇被猛烈进入无码| 色一情一乱一区二区av| 电影日韩中字熟妇人妻av| 日本美女日逼逼| 97在线免费看视频97| 国产又爽又乱的视频在线| 国产一区精选播放022| 91久久青娱乐| 日本按摩高潮a级中文片| 美女张开让人桶| 什么软件可以免费看视频| 激情国产一区二区三区四区| 男生插入女生阴道的视频| 色欲AV在线中文字网站| 丝袜 美腿 偷拍 亚洲| 老司机导航在线无码av| 美女大吊干美女| 操坏了好爽视频| 欧美日韩国产在线高清视频|