I-p-Toluenesulfonamide iyi-plasticizer eqinile ehle kakhulu yamapulasitiki e-thermosetting, elungele i-phenolic resin, i-melamine resin, i-urea-formaldehyde resin, i-polyamide nezinye izinhlaka. Inani elincane lokuxuba lingathuthukisa ukucutshungulwa, lenze ukuphulukiswa okulinganayo, futhi linikeze umkhiqizo isicwebezelisi esihle. I-p-Toluenesulfonamide ayinawo umphumela wokuthambisa wamapulasitiki oketshezi, ayihambisani ne-polyvinyl chloride ne-vinyl chloride copolymers, futhi ihambisana ngokwengxenye ne-cellulose acetate, i-cellulose acetate butyrate ne-cellulose nitrate.

Izakhiwo zamakhemikhali:

Amakristalu amhlophe acwebile. Incibilika ku-ethanol, ayincibiliki emanzini ne-ether.

indlela yokukhiqiza

Okokuqala, engeza ingxenye yamanzi e-HN3 embizeni yokusabela, engeza i-p-toluenesulfonyl chloride ngenkathi ushukumisa, futhi izinga lokushisa lizokhuphuka ngokwemvelo libe ngaphezu kuka-50°C. Ngemva kokwehla kwezinga lokushisa, engeza amanzi asele ammonia. Sabela kokuthi 85~90℃Chemicalbook isikhathi esingu-0.5h. Ukusabela kugcina lapho inani le-pH lifinyelela ku-8 kuya ku-9. Pholisa ukuya ku-20°C, hlunga, bese ugeza ikhekhe lokuhlunga ngamanzi ukuze uthole umkhiqizo ongahluziwe. Umkhiqizo ube usukhishwa umbala ngekhabhoni ecushiwe, incibilikiswe ku-alkali, ihlukaniswe yi-asidi, ihlungwe futhi yomiswe ukuze kutholwe umkhiqizo.

p-Toluenesulfonamide Chemical Properties

I-CAS 70-55-3
Ifomula ye-molecular C7H9NO2S
Isisindo se-molecule 171.22
I-EINECS No. 200-741-1

 
Iphoyinti lokuncibilika 134-137 °C (elikhanyisiwe)
Iphoyinti lokubilisa 221 °C (10 mmHg)

Ukuminyana 1.2495 (isilinganiso esinzima)
Ukuminyana komhwamuko 5.9 (vs air) Inkomba ye-Refractive 1.6100 (isilinganiso)
Iphoyinti elikhanyayo ngu-202 °C

Isisindo seNet: 25kg, sipakishwe esigubhu samakhadibhodi. 50kg.

isici: Amakristalu amhlophe acwebile

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