Katundu wa Mankhwala

Madzi oyaka opanda mtundu, owonekera bwino kapena achikasu pang'ono. Ali ndi fungo lamphamvu lamphamvu. Amasakanikirana ndi ethanol (kuwonongeka), diethylene glycol, ether, acetone, carbon tetrachloride, benzene, chlorobenzene, palafini, ndi mafuta a azitona.

Gwiritsani ntchito:

Amagwiritsidwa ntchito ngati zopangira popanga thovu losinthasintha la polyurethane, zokutira, rabara ndi zomatira

Njira yopangira

1. Yokonzedwa ndi momwe 2,4-diaminotoluene ndi phosgene zimachitikira. Choyamba, sungunulani diaminotoluene yolimba mu benzene yothira chlorine, ndikuyitentha mpaka 70°C ndikuyisakaniza kuti mupeze yankho la diaminotoluene chlorobenzene. Phosgenated benzene oxide yobwezeretsedwayo imayikidwa mu mphika wa phosgene wotentha pang'ono ndipo kuwala kwina kumawonjezedwa. Mukamaliza kuyika gasification, onjezerani yankho la diaminotoluene lokonzedwa pansi pamene mukusakaniza Chemicalbook, chitani phosgenation pa 40°C, kenako ikani zinthu za phosgenation zotentha pang'ono mu mphika wotentha kwambiri kuti phosgenation ikhale yotentha kwambiri, ndikupumulira mpweya pamene ikutenthedwa, kwa maola pafupifupi 4, nthawi zambiri zimachitika pa 120~125℃; pambuyo poti yankho latha, limapezeka poyeretsa ndi nayitrogeni, kusungunula, ndikukonza.

Tsatanetsatane

Nambala ya CAS 26471-62-5

Fomula ya molekyulu C9H6N2O2

Kulemera kwa maselo 174.15614

Nambala ya EINECS 247-722-4

Malo osungunuka 19.5~21.5℃

Malo otentha 247℃

Kuchulukana 1.22

Chizindikiro cha refractive 1.5660 mpaka 1.5700

Malo owunikira 137 °C

Malo osungiramo zinthu Sungani pansi pa +30°C

Zambiri zamalumikizidwe

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