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Di (trimethylol propane) CAS: 23235-61-2
Di(trimethylolpropane) ndi mankhwala achilengedwe omwe amadziwika ndi kukhalapo kwa magawo awiri a trimethylolpropane, omwe ndi ma alcohols ambiri omwe ali ndi magulu atatu a hydroxymethyl. Mankhwalawa amagwiritsidwa ntchito kwambiri popanga ma polyester, polyurethanes, ndi zinthu zina za polymeric chifukwa cha kuthekera kwake kowonjezera mphamvu zamakanika ndikuwonjezera kulimba. Kapangidwe kake kamalola kulumikizana kwakukulu, zomwe zimapangitsa kuti ikhale yothandiza kwambiri pantchito zosiyanasiyana zamafakitale.
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1,3-PROPANEDIOL DI-P-TOLUENESULFONATE CAS:5469-66-9
1,3-Propanediol di-p-toluenesulfonate ndi mankhwala achilengedwe ochokera ku 1,3-propanediol ndi p-toluenesulfonic acid. Amaoneka ngati madzi achikasu mpaka opanda mtundu, odziwika bwino chifukwa cha kusungunuka kwake bwino komanso kukhazikika mu zosungunulira zosiyanasiyana. Mankhwalawa amagwira ntchito ngati othandizira kwambiri popanga zinthu zachilengedwe ndipo apeza chidwi m'magawo monga mankhwala, ma polima, ndi kupanga mankhwala chifukwa cha momwe amachitira zinthu zosiyanasiyana.
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(R)-(+)-4-CHLOROMETHYL-2,2-DIMETHYL-1,3-DIOXOLANE CAS:57044-24-3
(R)-(+)-4-Chloromethyl-2,2-dimethyl-1,3-dioxolane ndi chinthu chachilengedwe cha chiral chokhala ndi mphete ya dioxolane yokhala ndi cholowa m'malo mwa chloromethyl. Kapangidwe kake kapadera kamapereka mankhwala enaake, zomwe zimapangitsa kuti ikhale yothandiza pa ntchito zosiyanasiyana zopangira. Chinthuchi nthawi zambiri chimapangidwa kuti chigwiritsidwe ntchito mu organic chemistry ngati chothandizira pakupanga mamolekyu ovuta kwambiri. Chirarity yake imalola kuti pakhale mankhwala oyera a enantiomeric, omwe ndi ofunikira kwambiri mu mankhwala ndi mankhwala ena abwino.
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3-(Diethylamino)-1,2-propanediol CAS:621-56-7
3-(Diethylamino)-1,2-propanediol ndi mankhwala achilengedwe okhala ndi msana wa propanediol wokhala ndi gulu la diethylamino lolumikizidwa ku kaboni wachitatu. Mankhwalawa nthawi zambiri amakhala opanda mtundu kapena achikasu chopepuka ndipo ali ndi mawonekedwe a hygroscopic. Amadziwika chifukwa cha ntchito yake ngati gawo losinthasintha pakupanga zinthu zachilengedwe, makamaka pakupanga mankhwala ndi mankhwala a agrochemicals chifukwa cha kuthekera kwake kugwira ntchito ngati nucleophile komanso momwe amachitira zinthu mwapadera.
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1,2-Propyleneglycol diacetate CAS:623-84-7
1,2-Propyleneglycol diacetate ndi mankhwala achilengedwe omwe ali m'gulu la glycol diesters, omwe amadziwika ndi kupezeka kwa magulu awiri a acetate omwe amamangiriridwa ku msana wa propylene glycol. Madzi opanda mtundu awa ali ndi fungo lofatsa komanso kusungunuka bwino m'zinthu zosiyanasiyana zachilengedwe. Amagwiritsidwa ntchito makamaka ngati zosungunulira komanso pulasitiki m'mafakitale osiyanasiyana, kuphatikizapo zodzoladzola, chakudya, ndi mankhwala, chifukwa cha makhalidwe ake abwino monga kusasinthasintha kochepa komanso kukhazikika bwino.
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(S)-3-tert-Butylamino-1,2-propanediol CAS:30315-46-9
(S)-3-tert-Butylamino-1,2-propanediol ndi chinthu chachilengedwe cha chiral chomwe chimadziwika ndi kukhalapo kwa gulu la tert-butyl ndi gulu la amino lomwe limalumikizidwa ku msana wa propanediol. Chinthuchi chimawoneka ngati madzi opanda mtundu kapena cholimba ndipo chimadziwika ndi ntchito yake yachilengedwe komanso momwe chingagwiritsidwe ntchito mu mankhwala. Chirarity yake ndi yofunika, chifukwa imatha kuwonetsa makhalidwe ndi zochita zosiyanasiyana kutengera kapangidwe kake ka stereochemical, zomwe zimapangitsa kuti ikhale chinthu chamtengo wapatali popanga zinthu zosafanana.
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1,3,2-Dioxathiane 2-oxide CAS:4176-55-0
1,3,2-Dioxathiane 2-oxide ndi mankhwala ozungulira omwe amadziwika ndi mphete yokhala ndi ziwalo zisanu ndi chimodzi yokhala ndi ma atomu awiri a okosijeni ndi atomu imodzi ya sulfure. Amadziwika ndi mphamvu zake zapadera za mankhwala, kuphatikizapo kukhazikika pansi pa mikhalidwe yosiyanasiyana. Mankhwalawa amagwiritsidwa ntchito makamaka popanga zinthu zachilengedwe komanso ngati gawo lapakati popanga mamolekyu ovuta kwambiri. Chifukwa cha kapangidwe kake kosiyana, amagwiritsidwa ntchito popanga mankhwala, mankhwala a agrochemicals, ndi mankhwala apadera.
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Chloroamphenicol CAS: 56-75-7
Chloroamphenicol ndi mankhwala opha tizilombo toyambitsa matenda omwe amachokera ku bakiteriya ya Streptomyces venezuelae. Ndi mankhwala opanda mtundu a kristalo omwe amadziwika kuti amatha kuletsa kupanga mapuloteni a bakiteriya polumikizana ndi gulu la 50S ribosomal. Ngakhale kuti amagwira ntchito bwino polimbana ndi mabakiteriya osiyanasiyana a gramu-positive ndi gramu-negative, kugwiritsa ntchito kwake kwachepa chifukwa cha zotsatirapo zake, kuphatikizapo kuchepa kwa magazi m'thupi. Masiku ano, chloroamphenicol imagwiritsidwa ntchito makamaka m'mafakitale enaake komanso m'malo ofufuza.
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2-BUTYL-2-ETHYL-1,3-PROPANEDIOL CAS:115-84-4
2-Butyl-2-ethyl-1,3-propanediol ndi mankhwala achilengedwe omwe amadziwika ndi kapangidwe ka nthambi zomwe zimakhala ndi magulu a butyl ndi ethyl olumikizidwa ku msana wa propanediol. Madzi opanda mtundu awa amasungunuka bwino m'madzi ndi zinthu zosiyanasiyana zosungunulira zachilengedwe, zomwe zimapangitsa kuti akhale chinthu chogwiritsidwa ntchito m'mafakitale. Makhalidwe ake apadera a mankhwala amathandizira kuti akhale ogwira ntchito ngati zosungunulira komanso pulasitiki, zomwe zimapangitsa chidwi chake pakugwiritsa ntchito m'magawo osiyanasiyana, kuphatikiza zodzoladzola, mankhwala, ndi sayansi ya zinthu.
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2-(2,2-DIETHOXYETHYL)-1,3-PROPANEDIOL CAS:55387-85-4
2-(2,2-Diethoxyethyl)-1,3-propanediol ndi mankhwala achilengedwe okhala ndi msana wa propanediol wokhala ndi zinthu zolowa m'malo mwa diethoxyethyl. Madzi opanda mtundu awa ali ndi kukhuthala kochepa ndipo amasungunuka m'madzi ndi zinthu zosiyanasiyana zosungunulira zachilengedwe. Kapangidwe kake kapadera kamawapatsa mphamvu zabwino zopumira madzi, zomwe zimapangitsa kuti akhale oyenera kugwiritsidwa ntchito m'mafakitale osiyanasiyana a mankhwala ndi mankhwala. Amagwiritsidwa ntchito makamaka ngati zosungunulira, pulasitiki, komanso chothandizira kwambiri popanga.
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2,2-DIISOAMYL-1,3-PROPANEDIOL CAS:403519-64-2
2,2-Diisoamyl-1,3-propanediol ndi mankhwala achilengedwe omwe amadziwika ndi msana wake wa propanediol wokhala ndi magulu awiri a isoamyl olumikizidwa ku kaboni yachiwiri. Ndi madzi opanda mtundu, okhuthala omwe amadziwika ndi mphamvu zake zofanana ndi glyceryl. Mankhwalawa atchuka m'magawo osiyanasiyana chifukwa cha kapangidwe kake kapadera ka mamolekyulu komanso momwe angagwiritsire ntchito popanga mankhwala ndi sayansi ya zinthu.
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METHYL OXALYL CHLORIDE CAS:5781-53-3
Methyl oxalyl chloride ndi chinthu chofunikira kwambiri chonunkhira chomwe chimadziwika ndi kukhalapo kwa magulu awiri a carbonyl ndi atomu ya chlorine yolumikizidwa ku gulu la methyl. Ndi formula ya mankhwala C4H3ClO3, chinthuchi chimagwira ntchito yofunika kwambiri popanga zinthu zachilengedwe, makamaka pokonzekera mankhwala osiyanasiyana ndi mankhwala a agrochemicals. Kuchita kwake ntchito kumachitika chifukwa cha kukhalapo kwa oxalyl ndi ntchito za chlorinated, zomwe zimathandiza kuti zigwire nawo ntchito zosiyanasiyana za mankhwala. Kafukufuku wa methyl oxalyl chloride wawonetsa kufunika kwake popanga mamolekyu ovuta, kuphatikizapo ma heterocycles ofunika ndi mankhwala ena ofunikira.
