午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Taurine
107-35-7

Taurine synthesis

11synthesis methods
-

Yield:107-35-7 603.2 g

Reaction Conditions:

with ammonia;water at 120; under 75007.5 Torr; for 1 h;Inert atmosphere;Pressure;Temperature;

Steps:

1-5

Transfer the addition reaction solution to the ammonia hydrolysis reactor,N2 was replaced three times, and 514.1 g of liquid ammonia was added to raise the temperature to 120 ° C.Adjust the pressure to 10Mpa with N2,After 1 h of reaction, the temperature was lowered.LC external standard quantitative taurine 603.2g;Aminolysis reaction1,1-dioxide ethylene sulfide conversion of 96.9%,The selectivity was 98.7%.

References:

CN109608365,2019,A Location in patent:Page/Page column 5-6

Taurine Related Search: