Isopropanol
CAS: 67-63-0 Nr
Cov tshuaj formula: C3H8O, yog peb-carbon cawv. Nws yog npaj los ntawm ethylene hydration cov tshuaj tiv thaiv los yog propylene hydration cov tshuaj tiv thaiv. Tsis muaj xim thiab pob tshab, nrog pungent tsw ntawm chav tsev kub. Nws muaj qhov kub thiab txias qis thiab yooj yim soluble hauv dej, cawv thiab ether kuab tshuaj. Nws yog ib qho tseem ceeb nruab nrab rau kev sib txuas ntawm cov tshuaj thiab tuaj yeem siv los ua ke esters, ethers thiab cawv. Nws kuj yog ib qho kev xaiv zoo tshaj plaws hauv kev lag luam ua cov kuab tshuaj thiab tshuaj ntxuav, thiab ua cov roj los yog hnyav. Isopropyl cawv muaj qee yam toxicity, yog li ua tib zoo saib xyuas cov kev tiv thaiv thaum siv, tsis txhob sib cuag nrog daim tawv nqaij thiab nqus tau pa.
Thaum Lub Kaum Ib Hlis 14, hnub no tus nqi isopropyl cawv ua lag luam hauv Shandong tau tsa, thiab tus nqi siv khoom lag luam yog kwv yees li 7500-7600 yuan / tuj. Tus nqi ntawm cov khoom lag luam acetone nres nres thiab ruaj khov, tsav lub isopropyl cawv kev lag luam kev ntseeg siab. Kev nug los ntawm cov lag luam downstream nce, kev yuav khoom tau ceev faj, thiab kev lag luam hauv nruab nrab ntawm lub ntiajteb txawj nqus tau nce me ntsis. Zuag qhia tag nrho, kev ua lag luam tau nquag nquag. Nws cia siab tias isopropyl cawv ua lag luam yuav muaj zog nyob rau lub sijhawm luv.
Thaum Lub Kaum Ib Hlis 15, tus nqi ntsuas ntawm isopropyl cawv hauv zej zog kev lag luam yog 7660.00 yuan / ton, uas tau txo qis -5.80% piv nrog rau thaum pib ntawm lub hlis no (8132.00 yuan / ton).
Isopropyl cawv ntau lawm txheej txheem txog 70% raws li cov tshuaj, tshuaj tua kab, coatings thiab lwm cov teb ntawm cov kuab tshuaj, yog ib tug tseem ceeb tshuaj raw cov ntaub ntawv, lub ntsiab ntau lawm txoj kev yog propylene txoj kev thiab acetone txoj kev, lub qub profit yog thicker, tab sis lub domestic mov yog txwv, Feem ntau rau txoj kev acetone. Nws yog nyob rau hauv cov npe ntawm Pawg 3 carcinogens txheeb xyuas los ntawm World Health Organization.
Post lub sij hawm: Nov-15-2023