iphepha_ibhena

imveliso

IVanillin(CAS#121-33-5)

Ipropati yeMichiza:

Ifomula yeemolekyuli C8H8O3
IMisa yeMolar 152.15
Ukuxinana 1.06
Indawo yokunyibilika 81-83°C(lit.)
Indawo yeBoling 170°C15mm Hg(lit.)
Indawo yokuflasha 147 °C
Inombolo yeJECFA 889
Ukunyibilika kwamanzi 10 g/L (25 ºC)
Ukunyibilika I-soluble ngamaxesha angama-125 amanzi, amaxesha angama-20 ethylene glycol kunye namaxesha angama-2 95% ethanol, i-soluble kwi-chloroform.
Uxinzelelo loMphunga >0.01 mm Hg ( 25 °C)
Ukuxinana komphunga 5.3 (vs umoya)
Imbonakalo Ikristale yenaliti emhlophe.
Umbala Mhlophe ukuya kumthubi
Merck 14,9932
I-BRN 472792
pKa pKa 7.396±0.004(H2OI = 0.00t = 25.0±1.0) (Ithembekile)
PH 4.3 (10g/l, H2O, 20℃)
Imeko yoGcino 2-8°C
Uzinzo Izinzile. Ingatshintsha umbala ekuvezweni ekukhanyeni. Ukufuma-nobuthathaka. Ayihambelani ne-oxidizing agents enamandla, i-perchloric acid.
Inovakalelo Uvakalelo loMoya kunye nokuKhanya
Refractive Index 1.4850 (uqikelelo)
MDL MFCD00006942
IiPropati zoMzimba kunye nezeMichiza Iikristale ezimhlophe njengenaliti. Ivumba elimnandi.
Sebenzisa Njenge-reagent esemgangathweni yohlalutyo lwezinto eziphilayo

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi Xi – Irritant
Iikhowudi zoMngcipheko I-R22 – Iyingozi xa iginyiwe
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
R36 – Iyandicaphukisa emehlweni
Inkcazelo yoKhuseleko I-26 - Kwimeko yokunxibelelana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
WGK eJamani 1
RTECS YW5775000
I-TSCA Ewe
Ikhowudi ye-HS 29124100
Ubutyhefu I-LD50 ngomlomo kwiimpuku, iihagu zeguinea: 1580, 1400 mg/kg (Jenner)

 

Intshayelelo

I-Vanillin, ikhemikhali eyaziwa ngokuba yi-vanillin, i-organic compound enevumba elikhethekileyo kunye nencasa.

 

Kukho iindlela ezininzi zokwenza i-vanillin. Eyona ndlela isetyenziswa ngokuqhelekileyo ikhutshwe okanye idityaniswe kwi-vanilla yendalo. Izicatshulwa zendalo ze-vanilla ziquka intlaka yengca ekhutshwe kwi-vanilla bean pods kunye ne-vanillin yomthi ekhutshwe emthini. Indlela yokudibanisa kukusebenzisa i-phenol eluhlaza ngokusebenzisa i-phenolic condensation reaction ukwenza i-vanillin.

I-Vanillin yinto enokutsha kwaye kufuneka igcinwe kude namadangatye avulekileyo kunye nokushisa okuphezulu. Nxiba iiglavu zokukhusela kunye neglavu ngexesha lokusebenza ukuphepha ukudibanisa nolusu kunye namehlo. Ukuphefumla uthuli lwayo okanye umphunga kufuneka kuphetshwe kwaye ukusebenza kufuneka kuqhutywe kwiindawo ezinomoya owaneleyo. I-Vanillin ngokuqhelekileyo ithathwa njengekhemikhali ekhuselekileyo engabangeli ingozi enkulu ebantwini xa isetyenziswe kwaye igcinwe ngokuchanekileyo. Nangona kunjalo, kwabanye abantu abane-allergies, ukuvezwa kwexesha elide okanye okukhulu kwi-vanillin kunokubangela ukusabela komzimba kwaye kufuneka kusetyenziswe ngononophelo.


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