ʻO ka Sulfur Tetrafluoride (SF4)

Nā kikoʻī

ʻO ka sulfur tetrafluoride kahi hui inorganic me kahi ʻano molekala o SF4. He kinoea kala ʻole, ʻino a ʻawaʻawa loa ia i kahi kaiapuni maʻamau. Loaʻa iā ia ke kaumaha molekala o 108.05, kahi kiko heheʻe o -124°C, a me kahi kiko paila o -38°C. ʻO ia ka mea hoʻohuihui fluorinating organik koho maikaʻi loa a hoʻohana nui ʻia. Hiki iā ia ke koho i nā hui carbonyl a me hydroxyl. Loaʻa iā ia kahi kūlana hiki ʻole ke hoʻololi ʻia i ka hana ʻana i nā kemika maikaʻi, nā mea kristal wai a me nā ʻoihana lāʻau lapaʻau kiʻekiʻe. ʻO ka sulfur tetrafluoride kahi mea hoʻohuihui fluorinating organik koho. He kinoea kala ʻole ia me kahi ʻala ikaika e like me ke kinoea sulfur dioxide ma lalo o ka mahana maʻamau a me ke kaomi. He mea ʻawaʻawa ia a ʻaʻole e puhi a pahū paha i ka lewa; ma 600°C Paʻa loa nō naʻe. Hoʻopuka ka hydrolysis ikaika i ka lewa i ka uahi keʻokeʻo. ʻO ka hālāwai ʻana me ka makū i loko o kahi kaiapuni hiki ke hana i ka pala e like me ka waikawa hydrofluoric. Hoʻoheheʻe piha ʻia i loko o ka sulfur dioxide a me ka waikawa hydrofluoric, ke hoʻoheheʻe hapa ʻia, hana ia i ka thionyl fluoride ʻawahia, akā hiki ke hoʻopili piha ʻia e ka hopena alkali ikaika e lilo i paʻakai ʻawahia ʻole a ʻino ʻole; hiki ke hoʻoheheʻe ʻia i loko o ka benzene. ʻO ka sulfur tetrafluoride i kēia manawa ka mea fluorinating organik koho maikaʻi loa i hoʻohana nui ʻia. Hiki iā ia ke koho i nā hui carbonyl a me hydroxyl (e pani ana i ka oxygen i loko o nā hui carbonyl); hoʻohana nui ʻia i nā kemika maikaʻi no nā mea kristal wai kiʻekiʻe a ʻO ka hana ʻana o nā mea waena ʻoihana lāʻau lapaʻau a me nā pesticide kiʻekiʻe he kūlana hiki ʻole ke hoʻololi ʻia. Hiki ke hoʻohana ʻia no ke kinoea uila, ka waiho ʻana o ka mahu kemika, ka mea mālama ʻili, ka etching maloʻo plasma a me nā ʻano ʻē aʻe he nui. Hoʻohana ʻia i ka synthesis organik, he reagent maʻamau ia no ka hana ʻana i nā fluorocarbons. Mālama ʻia ka sulfur tetrafluoride i loko o kahi hale kūʻai anuanu a ventilated. Pono e mālama ʻia mai nā oxidants, nā kemika ʻai, a me nā metala alkali, a mamao aku mai ke ahi a me nā kumu wela.

Noi:

① Mea hoʻohui fluorination organik:
Hoʻohana nui ʻia ka mea hoʻohui fluorinating koho kiʻekiʻe loa i nā mea kristal wai kiʻekiʻe a me nā pesticides fluorine-loaʻa, nā lāʻau lapaʻau a me nā mea waena; hiki ke hoʻohana ʻia e like me ke kinoea electron, ka waiho ʻana o ka mahu kemika, nā mea mālama ʻili, ka etching maloʻo, ka plasma a me nā ʻano ʻē aʻe.

Pūʻolo maʻamau:

Pōmaikaʻi:

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