China Benzoic acid CAS: 65-85-0 umzi-mveliso kunye nabavelisi

I-Benzoic acid CAS: 65-85-0

inkcazelo emfutshane:

I-Benzoic acid, eyaziwa ngokuba yi-benzoic acid, ine-molecular formula ye-C6H5COOH. Yeyona asidi enuka kamnandi apho iqela le-carboxyl liqhagamshelwe ngokuthe ngqo kwi-athomu yekhabhoni yeringi ye-benzene. Yikhompawundi eyenziwe ngokutshintsha i-hydrogen kwiringi ye-benzene kunye neqela le-carboxyl (-COOH). Ayinambala, iikristale ezicandayo ezingenavumba. Indawo yokunyibilika yi-122.13℃, indawo yokubilisa yi-249℃, kwaye ubuninzi bobunzima yi-1.2659 (15/4℃). Ithoba ngokukhawuleza kwi-100 ° C, kwaye umphunga wayo uyacaphuka kakhulu kwaye unokubangela ukukhohlela ngokulula emva kokuphefumla. Inyibilika kancinci emanzini, inyibilika ngokulula kwizinyibilikisi eziphilayo ezifana ne-ethanol, i-ether, i-chloroform, ibenzene, i-toluene, i-carbon disulfide, i-carbon tetrachloride kunye ne-pine Chemicalbook yokonga amafutha. Ikhona ngokubanzi kwindalo ngendlela ye-asidi yamahhala, i-ester okanye i-derivatives yayo. Ngokomzekelo, ikhona kwimo ye-asidi yamahhala kunye ne-benzyl ester kwi-benzoin gum; ikhona ikwimo ekhululekileyo emagqabini nakwixolo lesiqu sezinye izityalo; Ikhona kwivumba elimnandi Ikhona ngohlobo lwe-methyl ester okanye i-benzyl ester kwiioyile ezibalulekileyo; ikhona kwimo ye-hippuric acid ephuma kumchamo wehashe. I-asidi ye-Benzoic i-asidi ebuthakathaka, inamandla kune-fatty acids. Zineempawu zeekhemikhali ezifanayo kwaye zinokwenza i-salts, i-esters, i-asidi halides, i-amides, i-anhydrides ye-asidi, njl., kwaye ayifaki i-oxidized ngokulula. I-electrophilic substitution reaction ingenzeka kwiringi ye-benzene ye-benzoic acid, ikakhulu ivelisa iimveliso ezithatha indawo yemeta.
I-asidi ye-Benzoic isoloko isetyenziswa njengeyeza okanye i-preservative. Inomphumela wokuthintela ukukhula kwefungi, ibhaktheriya kunye nokungunda. Xa isetyenziselwa amayeza, idla ngokusetyenziswa eluswini ukunyanga izifo zolusu ezifana nerherho. Isetyenziswa kwiintsinga zokwenziwa, iintlaka, iingubo, irabha, kunye nemizi-mveliso yecuba. Ekuqaleni, i-benzoic acid yaveliswa yi-carbonization ye-benzoin gum okanye i-hydrolysis yencwadi yeekhemikhali ngamanzi ane-alkaline. Iyakwazi ukuveliswa nge-hydrolysis ye-hippuric acid. Ngoshishino, i-benzoic acid iveliswa yi-air oxidation ye-toluene phambi kwee-catalysts ezifana ne-cobalt kunye ne-manganese; okanye uveliswa yi-hydrolysis kunye ne-decarboxylation ye-phthalic anhydride. I-asidi ye-Benzoic kunye netyuwa yesodium ingasetyenziselwa njenge-antibacterial agents kwi-latex, i-toothpaste, i-jam okanye okunye ukutya, kwaye inokusetyenziswa njenge-mordants yokudaya kunye nokushicilela.

Igama:I-Benzoic acid CAS: 65-85-0

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Intshayelelo yemveliso

I-asidi ye-Benzoic, ekwabizwa ngokuba yi-benzoic acid, inyibilika kancinane emanzini kwaye inyibilika ngokulula kwizinyibilikisi eziphilayo ezifana ne-ethanol, i-ether, i-chloroform, i-benzene, i-toluene, i-carbon disulfide, i-carbon tetrachloride kunye ne-turpentine. Ifumaneka ngokubanzi kwindalo ngendlela ye-asidi yamahhala, i-ester okanye i-derivatives yayo. I-asidi ye-Benzoic i-asidi ebuthathaka kwaye yomelele kune-acids enamafutha. Zineempawu zeekhemikhali ezifanayo kwaye zinokwenza i-salts, i-esters, i-asidi halides, i-amides, i-anhydrides ye-asidi, njl., kwaye ayifaki i-oxidized ngokulula. I-electrophilic substitution reaction ingenzeka kwiringi ye-benzene ye-benzoic acid, ikakhulu ivelisa iimveliso ezithatha indawo yemeta.

Indawo yosetyenziso

I-asidi ye-Benzoic isoloko isetyenziswa njengeyeza okanye i-preservative. Inomphumela wokuthintela ukukhula kwefungi, ibhaktheriya kunye nokungunda. Xa isetyenziselwa amayeza, idla ngokusetyenziswa eluswini ukunyanga izifo zolusu ezifana nerherho. Isetyenziswa kwiintsinga zokwenziwa, iintlaka, iingubo, irabha, kunye nemizi-mveliso yecuba. Ekuqaleni, i-benzoic acid yaveliswa yi-carbonization ye-benzoin gum okanye i-hydrolysis yamanzi e-alkaline. Iyakwazi ukuveliswa nge-hydrolysis ye-hippuric acid. Ngoshishino, i-benzoic acid iveliswa yi-air oxidation ye-toluene phambi kwee-catalysts ezifana ne-cobalt kunye ne-manganese; okanye uveliswa yi-hydrolysis kunye ne-decarboxylation ye-phthalic anhydride. I-Benzoic acid kunye netyuwa yesodium ingasetyenziselwa njenge-bacteriostatic agents kwi-latex, i-toothpaste, i-jam okanye okunye ukutya, kwaye inokusetyenziswa njenge-mordants yokudaya kunye nokuprinta.

Inkcazo yokwakha

Benzoic acid

CAS: 65-85-0

Ifomula yemolekyuli C7H6O2

Ubunzima bemolekyuli 122.12

Inombolo ye-EINECS 200-618-2

Indawo yokunyibilika 121-125 °C (ilayiti.)

Indawo yokubila yi-249 °C (lit.)

Uxinaniso 1.08 Uxinaniso lomphunga 4.21 (vs air)

Uxinzelelo lomphunga 10 mm Hg ( 132 °C)

Refractive index 1.504

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