iindaba

Umhlophe ongwevu ukuya kwikristale ebomvu okanye ipulp. I-sodium m-aminobenzene sulfonate ifunyenwe nge-sulfonation reaction ye-nitrobenzene kunye nokunciphisa. Isetyenziselwa ukwenziwa kweedayi ze-azo kunye ne-pharmaceutical intermediates, i-reactive, i-acidic, i-sulfide kunye nezinye iidayi.

IMETANIC ACIDISODIYAM INTETHO

英文 名 词: m-aminobenzenesulfonic ACID SODIUM SALT; ISODIUM IMETANILATE.

Inombolo yeCAS. : 1126-34-7

I-EINECS inombolo : 214-419-3 [1]

Ifomula yemolekyuli: C6H6NNaO3S

Ubunzima bemolekyuli: 195.1734

Imbonakalo: Kumhlophe okungwevu ukuya kokukhanya kwekristale ebomvu okanye oluludaka

Ikristale entle emhlophe. Ubushushu bokubola kwekristale efunyenwe emanzini yi-302 ~ 304 ℃.

Metanilic acidinombala ongwevu obungwevu ukuya kwinkangeleko ebomvu ngokukhanyayo njengekristale okanye uludaka

Umxholo we-amino uwonke, % ≥60

Umxholo, % ≥90

Umxholo wezinto ezinganyibilikiyo kwisoda, % ≤1.5

Ukusetyenziswa: isetyenziswe ekwenzeni idayi ye-azo kunye ne-pharmaceutical intermediates, i-reactive, i-asidi, i-sulfide kunye nezinye iidayi.

Indlela yenkqubo yokuvelisa: i-sulfonation reaction ye-nitrobenzene kunye ne-asidi evuthayo ye-sulfuric yenziwa kwi-115 ℃, kwaye imveliso yokusabela ingathathi hlangothi kwi-alkali engamanzi, kwaye isisombululo sesodium se-m-nitrobenzene sulfonate siyahluzwa. Isisombululo sancitshiswa nge-iron shavings njenge-catalyst yokufumana i-m-aminobenzene sulfonate, kwaye udaka lwentsimbi lwasuswa ngokuhluzwa. Ifiltrate yaba sisinyibiliko setyuwa se-m-aminobenzene sulfonate. Yongeza iasidi yesulfuric kwimbiza yokutsalwa kweasidi de iphepha lovavanyo elibomvu laseCongo lijike libe luhlaza okwesibhakabhaka, kwaye ugcine ubushushu ku 70℃. Emva koko, i-m-aminobenzene sulfonate slurry ifunyenwe ngokucoca i-centrifugation.

Ubuthi kunye nokukhuselwa: le mveliso inetyhefu kakhulu. Ukuginya okanye ukufunxa eluswini kunokubangela ityhefu emandla. Nangona kunjalo, ubuthi bayo buncinci kakhulu kune-aniline, kwaye ayiyi kubangela umphumo we-carcinogenic. Ngexesha lenkqubo yokuvelisa, kufuneka ithintelwe ngokungqongqo ekunxibeni ngengozi okanye ukutshiza ulusu, izixhobo zokuvelisa kufuneka zitywinwe ukuthintela ukuvuza, kwaye umqhubi kufuneka anxibe izixhobo zokukhusela.

Ukupakisha kunye nokugcinwa: gcina kwindawo epholileyo, engenamoya kunye neyomileyo, thintela ubushushu, ukufuma kunye nelanga. Gcina kunye nokuthutha ngokuhambelana nemigaqo kwizinto eziyityhefu.