I-p-Toluenesulfonamide yiplasitiki egqwesileyo eyomeleleyo yeplastiki ye-thermosetting, ilungele i-phenolic resin, i-melamine resin, i-urea-formaldehyde resin, i-polyamide kunye nezinye ii-resin. Umlinganiselo omncinci wokudibanisa unokuphucula ukuqhubekeka, wenze ukunyanga, kwaye unike imveliso iglosi elungileyo. I-p-Toluenesulfonamide ayinayo i-softening effect ye-plasticizers engamanzi, ayihambelani ne-polyvinyl chloride kunye ne-vinyl chloride copolymers, kwaye ngokuyinxenye ihambelana ne-cellulose acetate, i-cellulose acetate butyrate kunye ne-cellulose nitrate.

Iimpawu zekhemikhali:

Iikristale ezimhlophe ezimhlophe. Inyibilika kwi-ethanol, ayinyibiliki emanzini nakwi-ether.

indlela yokuvelisa

Okokuqala, yongeza inxalenye yamanzi e-HN3 kwi-reaction pot, yongeza i-p-toluenesulfonyl chloride ngelixa uvuselela, kwaye ubushushu buya kunyuka ngokwemvelo ukuya kuma-50 ° C. Emva kokuhla kweqondo lokushisa, yongeza amanzi asele ammonia. Ukusabela kwi-85 ~ 90℃Chemicalbook nge-0.5h. Ukusabela kuphela xa ixabiso le-pH lifikelela ku-8 ukuya ku-9. Pholisa ukuya kuma-20°C, hluza, kwaye uhlambe ikeyiki yokucoca ngamanzi ukuze ufumane imveliso ekrwada. Imveliso ke i-decolorized yi-carbon activated, inyibilika kwi-alkali, ihlulwe nge-asidi, ihluzwe kwaye yomiswe ukufumana imveliso.

p-Toluenesulfonamide Chemical Properties

I-CAS 70-55-3
Ifomula yemolekyuli C7H9NO2S
Ubunzima bemolekyuli 171.22
I-EINECS No. 200-741-1

 
Indawo yokunyibilika 134-137 °C (ilayiti.)
Indawo yokubila yi-221 °C (10 mmHg)

Uxinzelelo 1.2495 (uqikelelo olurhabaxa)
Uxinaniso lomphunga 5.9 (vs air) Isalathiso sokuqhambuka 1.6100 (uqikelelo)
Indawo yokudanyaza ngu-202 °C

Ubunzima beNet: 25kg, ipakishwe kwidrum yekhadibhodi. 50kg.

uphawu:Iikristale ezimhlophe ezimhlophe

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