Isopropanol

Isopropanol
CAS: 67-63-0
Tātai matū: C3H8O, he waipiro waro-toru. Ka hangaia mā te tauhohenga whakamakuku ethylene, te tauhohenga whakamakuku propylene rānei. Kore tae, he mārama, he kakara kawa i te pāmahana rūma. He iti te ira kohua me te matotoru, ā, he ngāwari te wairewa ki te wai, ki te waipiro me ngā whakarewa ether. He takawaenga nui mō te hanga matū, ā, ka taea te whakamahi hei hanga i ngā esters, ethers me ngā waipiro. He mea whiriwhiri noa hoki i roto i te ahumahi hei whakarewa me te kaihoko horoi, hei wahie, hei whakarewa rānei. He paitini te waipiro isopropyl, nō reira kia tupato ki ngā mahi tiaki i te wā e whakamahia ana, karohia te pa ki te kiri me te manawa.

I te 14 o Noema, i whakapikihia te utu mākete waipiro isopropyl i Shandong i tēnei rā, ā, ko te utu tohutoro mākete i tata ki te 7500-7600 yuan/tana. I mutu te hekenga o te utu mākete acetone i te taha whakarunga, ā, i pumau, i akiaki i te whakapono o te mākete waipiro isopropyl. I piki ake ngā patai mai i ngā umanga o raro, i āta tupato te hokohoko, ā, i paku piki ake te pokapū taumaha o te mākete. I te nuinga, i kaha ake te mākete. E matapaetia ana ka kaha te mākete waipiro isopropyl i te wā poto.

I te 15 o Noema, ko te utu paerewa mō te waipiro isopropyl i roto i te hapori pakihi he 7660.00 yuan/tana, he hekenga tēnei mā te -5.80% ki te whakataurite ki te tīmatanga o tēnei marama (8132.00 yuan/tana).

Ko te tukanga whakaputa waipiro isopropyl e pā ana ki te 70% hei rongoā, hei patu pepeke, hei paninga me ētahi atu mara o ngā whakarewa, he rauemi mata matū nui, ko ngā tikanga whakaputa matua ko te tikanga propylene me te tikanga acetone, he matotoru ake te hua o mua, engari he iti noa te tuku o te whare, ko te tikanga acetone te nuinga. Kei roto i te rārangi o ngā matū pukupuku Rōpū 3 kua tautuhia e te World Health Organization.