成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

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 Isophorone diisocyanate
4098-71-9

Isophorone diisocyanate synthesis

6synthesis methods
Isophorone diisocyanate (IPDI) is prepared by the phosgenation of isophorone diamine (l-amino-3-aminomethyl-3,5,5-trimethylcydohexane):

-

Yield:4098-71-9 99.9%

Steps:

2 Example 2

Example 2 1.26 mol per hour of 1-amino-3,3,5-trimethyl-5-amino-methylcyclohexane were reacted with 5.91 mol per hour of phosgene under the process conditions of Example 1, using 1.25 mol per hour of nitrogen as diluent for the diamine. 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethyl-cyclohexane was obtained in a yield of 99.9%.

References:

US4847408,1989,A

Isophorone diisocyanate Related Search: