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ʻAkika Benzoic: He Waikawa Organic Koʻikoʻi a me ka Mea Mālama

ʻO ka waikawa Benzoic (kemika C₇H₆O₂) he pauka kristal keʻokeʻo a he ʻāpana paʻa paha me kahi ʻala ʻano iki. Hiki ke hoʻoheheʻe ʻia i loko o nā mea hoʻoheheʻe organik e like me ka ethanol a me ka ether a hoʻoheheʻe iki ʻia i ka wai. ʻO ka waikawa Benzoic kahi waikawa organik koʻikoʻi i hoʻohana nui ʻia i ka ʻoihana meaʻai, lāʻau lapaʻau, kemika, a me nā mea hoʻonani.

    Nā Kahua Noi Nui

    ʻO nā hoʻohana nui o ka benzoic acid e komo pū me kona hoʻohana ʻana ma ke ʻano he mea mālama, mea hoʻohuihui, mea ʻala, a me ka mea waena i ka synthesis organik. I ka ʻoihana meaʻai, ʻo ka benzoic acid kahi mea mālama i hoʻohana pinepine ʻia e hiki ke kāohi pono i ka ulu ʻana o nā microorganism a hoʻolōʻihi i ke ola o ka papa o ka meaʻai. Hoʻohui pinepine ʻia i nā mea inu, nā mea ʻono, nā jam, nā huahana pickled, a me nā meaʻai ʻē aʻe e hōʻoia i ko lākou palekana a me ke kūpaʻa. No ka laʻana, i loko o nā mea inu carbonated, pale ka benzoic acid i ka ulu ʻana o nā bacteria a me ka ʻōpala, e mālama ana i ka maikaʻi o ka mea inu.

    I loko o ka ʻoihana lāʻau lapaʻau, hoʻohana ʻia ka waikawa benzoic e hana i nā mea waena no kekahi mau lāʻau lapaʻau. Hāʻawi ia i kahi hui hana carboxyl e hiki ke komo i nā hopena synthesis organik e hana i nā antibiotics, antipyretic analgesics, a me nā lāʻau lapaʻau ʻē aʻe. Eia kekahi, hiki ke hoʻohana ʻia ka waikawa benzoic e hoʻoponopono i ka pH o nā ʻano lāʻau lapaʻau, e hōʻoiaʻiʻo ana i ko lākou kūpaʻa a me ka bioavailability. No ka laʻana, i loko o kekahi mau poni antibiotic topical, lawelawe ka waikawa benzoic ma ke ʻano he mea mālama e pale ai i ka poni mai ka palaho.

    I loko o ka ʻoihana kemika, he mea koʻikoʻi ka benzoic acid i ka synthesis organik. Hiki ke hoʻohana ʻia e synthesize i nā esters benzoic acid, e like me ka benzyl benzoate, i hoʻohana nui ʻia i nā ʻoihana ʻala a me nā mea hoʻonaninani. Hiki ke esterified ʻia ka benzoic acid e hana i ka ethyl benzoate, i hoʻohana ʻia i ka synthesis o nā polymers a me nā resins. Eia kekahi, hiki i ka benzoic acid ke hana ma ke ʻano he acidifier i ka synthesis organik, e hoʻoponopono ana i ka pH o ka ʻōnaehana hopena e hoʻolaha i kekahi mau hopena.

    I loko o ka ʻoihana hoʻonaninani, hoʻohana ʻia ka benzoic acid e hoʻoponopono i ka pH o nā mea hoʻonaninani, e hōʻoiaʻiʻo ana i ke kūpaʻa a me ka palekana o nā huahana. Hiki iā ia ke lawelawe ma ke ʻano he ʻāpana ʻala, e hāʻawi ana i kahi ʻala kūikawā i nā mea hoʻonaninani. No ka laʻana, i loko o kekahi mau mea ʻala a me nā huahana mālama ʻili, hoʻohana ʻia ka benzoic acid ma ke ʻano he mea mālama a me ka ʻāpana ʻala e hoʻolōʻihi i ke ola o nā huahana a hoʻonui i ko lākou ʻala.

    He kemika palekana ka waikawa Benzoic, akā pono e mālama ʻia nā hana palekana i ka wā e hoʻohana ai a me ka mālama ʻana. Pono e mālama ʻia i loko o kahi pahu i hoʻopaʻa ʻia e pale aku i ka makū a me ka haumia. Pono e ʻaʻahu ʻia nā lako palekana kūpono, e like me nā mīkina lima a me nā goggles, i ka wā e lawelawe ai e pale aku i ka pili ʻana me ka ʻili a me nā maka.

    Nā kikoʻī

    Inoa Huahana ʻAkika Benzoic
    Formula Kemika C₇H₆O₂
    Kaumaha Molekala 122.12
    helehelena Pauka aniani keʻokeʻo
    Kiko Heheʻe 122.41°C
    Kikowaena paila 249.2°C
    Ka nui o ka paʻa 1.2659 g/cm³
    Helu Kūʻai 65 - 85 - 0
    Kaʻina HS 29163100
    ʻAʻohe EINECS 200 - 618 - 2
    Noi Nā kemika, nā mea mālama meaʻai, nā lāʻau lapaʻau, a pēlā aku.

    Palapala Mana Kūlana

    Inoa Huahana ʻAkika Benzoic
    MEA Nā kikoʻī maʻamau NĀ HOPENA HOʻĀʻO
    ʻIkepili ≥99.5% 99.86%
    Kiko Hoʻoheheʻe 121-123 ℃ 122℃
    Metala kaumaha e like me Pb ≤10ppm
    E like me ≤2ppm
    ʻO ka nui o ka chloride ma ke ʻano he Cl ≤0.014% 0.01%
    Ka nui o ka wai ≤0.5% 0.32%
    ʻAkika phthalic ≤100ppm
    Hopena Aia nā mea a pau i loko
    kūlike me ka hoʻāʻo Food Grade

    I ka hōʻuluʻulu manaʻo

    I ka hōʻuluʻulu manaʻo, ʻo ka benzoic acid, ma ke ʻano he waikawa organik a me ka mea mālama koʻikoʻi, he kuleana koʻikoʻi ia i nā ʻoihana meaʻai, lāʻau lapaʻau, kemika, a me nā mea hoʻonani. ʻAʻole ia e hoʻonui wale i ke kūpaʻa a me ka palekana o nā huahana akā kākoʻo pū kekahi i ka hoʻomohala ʻana o ka ʻoihana hou. Me ka holomua mau ʻana o ka ʻenehana a me ka hoʻonui ʻana i ke koi no nā kemika kūpono, e ʻoi aku ka laulā o nā manaʻolana noi no ka benzoic acid.