China Benzoic asidi CAS:65-85-0 fakitale ndi opanga

Benzoic asidi CAS: 65-85-0

Benzoic acid CAS: 65-85-0 Chithunzi Chowonetsedwa

Kufotokozera mwachidule:

Benzoic acid, yomwe imadziwikanso kuti benzoic acid, ili ndi mamolekyu a C6H5COOH. Ndilo asidi onunkhira bwino kwambiri momwe gulu la carboxyl limalumikizidwa mwachindunji ndi atomu ya kaboni ya mphete ya benzene. Ndi gulu lopangidwa ndikusintha hydrogen pa mphete ya benzene ndi gulu la carboxyl (-COOH). Ndi makristalo opanda mtundu, opanda fungo. Malo osungunuka ndi 122.13 ℃, malo otentha ndi 249 ℃, ndipo kachulukidwe kachibale ndi 1.2659 (15/4 ℃). Imatsika kwambiri pa 100 ° C, ndipo nthunzi yake imakwiyitsa kwambiri ndipo imatha kuyambitsa chifuwa mukakoka mpweya. Amasungunuka pang'ono m'madzi, amasungunuka mosavuta mu zosungunulira za organic monga ethanol, etha, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride ndi pine Chemicalbook saving fuel. Imapezeka kwambiri m'chilengedwe mu mawonekedwe a asidi aulere, ester kapena zotumphukira zake. Mwachitsanzo, ilipo mu mawonekedwe a asidi aulere ndi benzyl ester mu chingamu cha benzoin; imakhala yaulere m'masamba ndi tsinde la makungwa a zomera zina; ilipo mu fungo lonunkhira Imakhalapo mu mawonekedwe a methyl ester kapena benzyl ester mumafuta ofunikira; imakhalapo mu mawonekedwe a hippuric acid yochokera mumkodzo wa akavalo. Benzoic acid ndi asidi wofooka, wamphamvu kuposa mafuta zidulo. Amakhala ndi mankhwala ofanana ndipo amatha kupanga mchere, esters, acid halides, amides, acid anhydrides, etc., ndipo sakhala oxidized mosavuta. Ma electrophilic substitution reaction amatha kuchitika pa mphete ya benzene ya benzoic acid, makamaka kupanga zinthu zosinthira meta.
Benzoic acid nthawi zambiri amagwiritsidwa ntchito ngati mankhwala kapena osungira. Zimakhala ndi zotsatira zolepheretsa kukula kwa bowa, mabakiteriya, ndi nkhungu. Akagwiritsidwa ntchito ngati mankhwala, nthawi zambiri amagwiritsidwa ntchito pakhungu pochiza matenda a khungu monga zipere. Amagwiritsidwa ntchito popanga ulusi, utomoni, zokutira, labala, ndi mafakitale afodya. Poyamba, benzoic acid idapangidwa ndi carbonization ya benzoin chingamu kapena hydrolysis ya buku la mankhwala ndi madzi amchere. Itha kupangidwanso ndi hydrolysis ya hippuric acid. Mu mafakitale, asidi benzoic amapangidwa ndi mpweya makutidwe ndi okosijeni wa toluene pamaso catalysts monga cobalt ndi manganese; kapena amapangidwa ndi hydrolysis ndi decarboxylation wa phthalic anhydride. Benzoic acid ndi mchere wake wa sodium angagwiritsidwe ntchito ngati antibacterial agents mu latex, mankhwala otsukira mano, kupanikizana kapena zakudya zina, komanso angagwiritsidwe ntchito ngati mankhwala opangira utoto ndi kusindikiza.

Dzina:Benzoic asidi CAS: 65-85-0

Dzina la Brand:MIT-IVY

Zochitika:Cholimba choyera mpaka chachikasu

Chitetezo Chachilengedwe ::Inde

Chitsimikizo::ISO

Mtundu:Gwiritsani ntchito ngati mankhwala kapena antiseptic

Phukusi:Matumba

Kusintha mwamakonda::Inde

Mphamvu Zopanga:500 Matani / Mwezi

Koyambira:China

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Chiyambi cha malonda

Benzoic acid, yomwe imadziwikanso kuti benzoic acid, imasungunuka pang'ono m'madzi ndipo imasungunuka mosavuta mu zosungunulira za organic monga ethanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride ndi turpentine. Amapezeka kwambiri m'chilengedwe mwa mawonekedwe a asidi aulere, ester kapena zotumphukira zake. Benzoic acid ndi asidi ofooka komanso amphamvu kuposa mafuta acids. Amakhala ndi mankhwala ofanana ndipo amatha kupanga mchere, esters, acid halides, amides, acid anhydrides, etc., ndipo sakhala oxidized mosavuta. Ma electrophilic substitution reaction amatha kuchitika pa mphete ya benzene ya benzoic acid, makamaka kupanga zinthu zosinthira meta.

Munda wofunsira

Benzoic acid nthawi zambiri amagwiritsidwa ntchito ngati mankhwala kapena osungira. Zimakhala ndi zotsatira zolepheretsa kukula kwa bowa, mabakiteriya, ndi nkhungu. Akagwiritsidwa ntchito ngati mankhwala, nthawi zambiri amagwiritsidwa ntchito pakhungu pochiza matenda a khungu monga zipere. Amagwiritsidwa ntchito popanga ulusi, utomoni, zokutira, labala, ndi mafakitale afodya. Poyamba, asidi a benzoic amapangidwa ndi carbonization ya benzoin chingamu kapena hydrolysis ya madzi amchere. Itha kupangidwanso ndi hydrolysis ya hippuric acid. Mu mafakitale, asidi benzoic amapangidwa ndi mpweya makutidwe ndi okosijeni wa toluene pamaso catalysts monga cobalt ndi manganese; kapena amapangidwa ndi hydrolysis ndi decarboxylation wa phthalic anhydride. Benzoic acid ndi mchere wake wa sodium angagwiritsidwe ntchito ngati bacteriostatic agents mu latex, mankhwala otsukira mano, kupanikizana kapena zakudya zina, ndipo angagwiritsidwenso ntchito ngati mordants chifukwa cha utoto ndi kusindikiza.

Kufotokozera za zomangamanga

Benzoic acid

CAS: 65-85-0

Molecular formula C7H6O2

Kulemera kwa molekyulu 122.12

Nambala ya EINECS 200-618-2

Malo osungunuka 121-125 °C (kuyatsa)

Malo otentha 249 ° C (lit.)

Kachulukidwe 1.08 Kachulukidwe ka nthunzi 4.21 (vs mpweya)

Kuthamanga kwa nthunzi 10 mm Hg (132 °C)

Refractive index 1.504

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