p-phenylene diamine; 1,4-diaminobenzene

kristal ọcha. Na-atụgharị rosy n'ìhè. Na-atụgharị odo odo na ikuku. Ebe mgbaze 140 ℃. Ebe esi mmiri 267 ℃. Enwere ike ime ya. Na-agbaze ntakịrị na mmiri oyi, soluble na ethanol, ether, chloroform na benzene. Ọ na-eji acid inorganic emeghachi omume iji mepụta nnu nke na-agbaze ngwa ngwa na mmiri. Ejiri ya mee ihe na-emepụta akwa azo na akwa sọlfọ, wdg, ma jiri ya mee ihe dị ka ajị anụ (Fur Black D, Ursol D ma ọ bụ Fur Black D, Ursol D ma ọ bụ Ajị anụ D) na ndị na-emepe emepe. Ngwaahịa a bụ nke ụdị 3 carcinogens. A na-emepụta ya site na mbelata p-nitroaniline.

Usoro mmepụta

A na-enweta ya site na ibelata p-nitroaniline na ntụ ntụ ígwè na ọkara acidic. Tinye uzuzu ígwè n'ime hydrochloric acid, kpoo ya na 90 Celsius C, tinye p-nitroaniline ka ọ na-akpali. Mgbe emechara mgbakwunye ahụ, meghachi omume na 95-100 Celsius maka awa 0.5, wee tinye mgbakwunye hydrochloric acid n'ime mmiri iji mezue mmeghachi omume mbelata nke akwụkwọ Chemical. Mgbe ọ dị jụụ, wepụ ya na ngwọta sodium carbonate juputara na pH 7-8, sie ma nyochaa mgbe ọ na-ekpo ọkụ, ma jiri mmiri ọkụ na-asa achicha ahụ. Gwakọta ihe nzacha na mmiri ịsa ahụ, tinye uche n'okpuru nrụgide dị ntakịrị, crystallize site na jụrụ oyi ma ọ bụ distill n'okpuru nrụgide dị ala iji nweta p-phenylenediamine na mkpụrụ nke 95%.

Njirimara kemịkalụ

Aha Chinese: p-Phenylenediamine
Aha mba ọzọ: p-Phenylenediamine
Usoro ọgwụ: C6H8N2
Arọ molikula: 108.14
Nọmba ndebanye aha CAS: 106-50-3
Ebe mgbaze: 139 ℃
ọdịdị: White ka lavender kristal

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