Cov Khoom Siv Tshuaj

Cov kua dej uas yooj yim hlawv tsis muaj xim, pob tshab los yog daj daj. Muaj ntxhiab tsw qab heev. Sib xyaw nrog ethanol (kev lwj), diethylene glycol, ether, acetone, carbon tetrachloride, benzene, chlorobenzene, kerosene, thiab roj txiv roj.

Siv:

Siv ua cov khoom siv raw rau kev tsim cov polyurethane ua npuas ncauj, cov tshuaj pleev xim, roj hmab thiab cov nplaum

Txoj kev tsim khoom

1. Npaj los ntawm kev sib xyaw ntawm 2,4-diaminotoluene thiab phosgene. Ua ntej, yaj cov khoom diaminotoluene khov hauv chlorinated benzene, thiab cua sov rau 70 ° C nrog kev sib xyaw kom tau txais cov kua diaminotoluene chlorobenzene. Cov phosgenated benzene oxide rov qab tau muab tso rau hauv lub lauj kaub phosgene qis-kub thiab ntxiv qee qhov kua teeb. Tom qab gasification, ntxiv cov kua diaminotoluene npaj tseg thaum sib xyaw Chemicalbook, ua phosgenation ntawm 40 ° C, thiab tom qab ntawd muab cov khoom phosgenation qis-kub rau hauv lub lauj kaub kub siab rau phosgenation kub siab, thiab cua thaum cua sov, rau li 4 teev, qhov kev sib xyaw feem ntau yog ua tiav ntawm 120 ~ 125 ℃; tom qab qhov kev sib xyaw ua tiav, nws tau txais los ntawm kev ntxuav nrog nitrogen, distilling, thiab rectifying.

Cov ntsiab lus

CAS No. 26471-62-5

Cov mis mos molecular C9H6N2O2

Qhov hnyav molecular 174.15614

EINECS No. 247-722-4

Qhov kub yaj 19.5 ~ 21.5 ℃

Kub taw tes 247 ℃

Qhov Ceev 1.22

Refractive index 1.5660 txog 1.5700

Qhov kub hnyiab 137 ° C

Cov xwm txheej ntawm kev khaws cia Khaws cia rau hauv qab +30 ° C

Cov Ntaub Ntawv Tiv Tauj

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