nūhou

Hua'ōlelo kemika: C4H6O4 Molecular weight: 118.09

Hiʻona:He aniani kala ʻole ka Sucicic acid. ʻO ka ʻāpana pili he 1.572 (25/4 ℃), kahi hoʻoheheʻe ʻo 188 ℃, decompose ma 235 ℃, i ka hoʻoliʻiliʻi hoʻoliʻiliʻi hiki ke sublimated, hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe māmā ʻia i ka etanol, ka ether a me ka acetone.

Nā noi:ʻO ka waikawa Succinic ka FDA ma ke ʻano he GRAS (manaʻo ʻia he palekana), kahi e hiki ai ke hoʻohana ʻia no nā kumu he nui. Hoʻohana ākea ʻo Succinic acid i ka lāʻau lapaʻau, meaʻai, pesticides, dyes, mea ʻala, pena, plastic a me nā ʻoihana ʻē aʻe, hiki ke hoʻohana ʻia ma ke ʻano he pae no nā hui C4, synthesi o kekahi huahana kemika koʻikoʻi, e like me butyl glycol, tetrahydrofuran, gamma butyrolactone , n-methyl pyrrolidone (NMD), 2-pyrrolidone, a pēlā aku. Eia hou, hiki ke hoʻohana pū ʻia nā meaola waikawa succinic no ke synthesis o nā polymers biodegradable, e like me poly (butylene succinate) (PBS) a me polyamide.

Pono:Hoʻohālikelike ʻia me ke ʻano kemika kuʻuna, loaʻa i nā microogranism fermentationmentment succic acid i nā pono he nui: hoʻokūkū ke kumukūʻai hana; ka hoʻohana ʻana i nā kumuwaiwai mahiʻai hou me ka carbon dioxide ma ke ʻano he kumuwaiwai, e hōʻalo ai i ka hilinaʻi ʻana i nā mea maka petrochemical; e hoʻopau i ka haumia o ke kaʻina hana kemikala ma ka ʻenemi.


Ka manawa Post: Nov-15-2020