Nā huahana acetone

Acetonehe wai waihoʻoluʻu a ʻākala, me kahi hiʻohiʻona paʻakikī a me kahi ʻono solvent kūikawā.Hoʻohana nui ʻia ia i ka ʻoihana, ʻepekema a me ka ʻenehana, a me ke ola o kēlā me kēia lā.Ma ke kahua o ka paʻi ʻana, hoʻohana pinepine ʻia ka acetone ma ke ʻano he solvent e wehe ai i ke kolu ma ka mīkini paʻi, i hiki ke hoʻokaʻawale ʻia nā huahana paʻi.Ma ke kahua o ka biology a me ka lāʻau lapaʻau, ʻo ka acetone kekahi mea waiwai nui no ka synthesis o nā pūhui he nui, e like me nā hormones steroid a me nā alkaloids.Eia kekahi, ʻo ka acetone kahi mea hoʻomaʻemaʻe maikaʻi loa a me ka solvent.Hiki iā ia ke hoʻoheheʻe i nā pūhui organik he nui a wehe i ka ʻōpala, ka momona a me nā mea haumia ʻē aʻe ma ka ʻili o nā ʻāpana metala.No laila, hoʻohana nui ʻia ka acetone i ka mālama ʻana a me ka hoʻomaʻemaʻe ʻana i nā mīkini a me nā mea hana.

 

ʻO ka molecular formula o acetone ʻo CH3COCH3, aia i kahi ʻano pūhui ketone.Ma waho aʻe o ka acetone, he nui nā pūhui ketone ʻē aʻe i ke ola o kēlā me kēia lā, e like me butanone (CH3COCH2CH3), propanone (CH3COCH3) a pēlā aku.He ʻokoʻa ko kēia mau pūhui ketone, akā loaʻa iā lākou nā mea ʻala kūikawā a me ka ʻono o ka solvent.

 

ʻO ka hana ʻana o ka acetone ma o ka decomposition o ka acetic acid i mua o nā catalysts.Hiki ke hōʻike ʻia ka hoʻohālikelike ʻana penei: CH3COOH → CH3COCH3 + H2O.Eia kekahi, aia kekahi mau ʻano hana ʻē aʻe e hana ai i ka acetone, e like me ka decomposition o ka ethylene glycol i mua o nā catalysts, ka hydrogenation o acetylene, etc.Hoʻohana nui ʻia ia ma nā ʻano lāʻau lapaʻau, biology, paʻi ʻana, textile, etc. Ma waho aʻe o ka hoʻohana ʻia ʻana e like me ka solvent, he mea koʻikoʻi hoʻi ia no ka synthesis o nā pūhui he nui i nā ʻano lāʻau lapaʻau, biology a me nā ʻano ʻē aʻe. .

 

Ma keʻano laulā, ʻo ka acetone kahi mea hoʻohana kemika me ka manaʻo ākea ākea.Eia nō naʻe, ma muli o kona volatility kiʻekiʻe a me nā hiʻohiʻona flammability, pono e mālama pono ʻia i ka hana ʻana a me ka hoʻohana ʻana e pale aku i nā pōʻino.


Ka manawa hoʻouna: Dec-15-2023