tag:blogger.com,1999:blog-9122514974659083342.post5825821552731397931..comments2024-02-02T22:30:20.736-05:00Comments on Chemical Facility Security News: Methyl Isocyanate IST StudyPJCoylehttp://www.blogger.com/profile/03390039682578324978noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-9122514974659083342.post-17546220330596620962011-03-30T19:18:18.160-04:002011-03-30T19:18:18.160-04:00To Anonymous: I was not refering to data regarding...To Anonymous: I was not refering to data regarding MIC, I have never worked with MIC. What I was refering to was in other processes that I worked on as a process chemist I used data measured in process equipment to develop heat of reaction data. Sorry about the confusion.PJCoylehttps://www.blogger.com/profile/03390039682578324978noreply@blogger.comtag:blogger.com,1999:blog-9122514974659083342.post-58550050838838915162011-03-30T03:44:13.790-04:002011-03-30T03:44:13.790-04:00Could you please point the source of the manufactu...Could you please point the source of the manufacturing data used by you.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-9122514974659083342.post-48818718068870298722010-12-27T23:05:00.407-05:002010-12-27T23:05:00.407-05:00Actually, many chemical companies forgo theoretica...Actually, many chemical companies forgo theoretical calculations of these values, prefering to use measured values. I have used manufacturing data to produce rough figures for heats of reaction because we did not have the laboratory tools necessary to do a proper measurement. Besides it was a more accurate measure of the reaction taking place in our equipment due to mixing and mass transfer issues. I suppose it all depends on what you want to use the data for.PJCoylehttps://www.blogger.com/profile/03390039682578324978noreply@blogger.comtag:blogger.com,1999:blog-9122514974659083342.post-29503045982731283412010-12-25T04:00:23.253-05:002010-12-25T04:00:23.253-05:00This chemical methyl isocyanate is extremely hazar...This chemical methyl isocyanate is extremely hazardous and the chemical companies seem to be holding back information about it. I tried to look up the heat of trimerization of MIC from independent sources but could find no direct mention. However the heats of formation of MIC is given at -92 Kj/mol and it's trimer at -677 Kj/mol which would make the heat of trimerization of mic to be -401 Kj/mol(of trimer) or around a 1000 BTU/lb. But the value given by carbide is 540 BTU/lb. Do these companies really know chemistry????Anonymousnoreply@blogger.com