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Vanillin(CAS#121-33-5)

Chemical Property:

Molecular Formula C8H8O3
Molar Misa 152.15
Density 1.06
Melting Point 81-83°C(lit.)
Boling Point 170°C15mm Hg(lit.)
Flash Point 147 °C
Nhamba yeJECFA 889
Mvura Solubility 10 g/L (25 ºC)
Solubility Soluble in 125 times mvura, 20 times ethylene glycol uye 2 times 95% ethanol, soluble mu chloroform.
Vapor Presure >0.01 mm Hg (25 °C)
Vapor Density 5.3 (vs mhepo)
Chitarisiko White tsono crystal.
Color Muchena kusvika kucheneruka
Merck 14,9932
BRN 472792
pKa pKa 7.396±0.004(H2OI = 0.00t = 25.0±1.0) (Yakavimbika)
PH 4.3 (10g/l, H2O, 20℃)
Storage Condition 2-8°C
Kugadzikana Yakagadzikana. Inogona kuchinja ruvara pakuratidzwa kwechiedza. Kunyorova-kunzwa. Hazvienderani neakasimba oxidizing agents, perchloric acid.
Sensitive Mhepo & Chiedza Inonzwa
Refractive Index 1.4850 (kufungidzira)
MDL MFCD00006942
Zvenyama uye Chemical Properties Makristasi akachena tsono. Hwema hwema.
Shandisa Seyakajairwa reagent ye organic analysis

Product Detail

Product Tags

Hazard Symbols Xi – Hasha
Risk Codes R22 – Zvinokuvadza kana ikamedzwa
R36/37/38 - Kushungurudza maziso, kufema system uye ganda.
R36 – Kushungurudza maziso
Tsanangudzo Yekuchengetedza 26 – Kana wasangana nemaziso, sukurudza nekukasira nemvura yakawanda uye tsvaga rubatsiro kuna chiremba.
WGK Germany 1
RTECS YW5775000
TSCA Ehe
HS Code 29124100
Muchetura LD50 nemuromo mumakonzo, guinea nguruve: 1580, 1400 mg/kg (Jenner)

 

Nhanganyaya

Vanillin, kemikari inozivikanwa se vanillin, ndeye organic komboni ine kunhuhwirira kwakasiyana uye kuravira.

 

Pane nzira dzakawanda dzekugadzira vanillin. Iyo inonyanya kushandiswa nzira inobviswa kana kugadzirwa kubva kune yakasarudzika vanilla. Masikirwo evanila echisikigo anosanganisira resin yeuswa yakatorwa kubva muvanilla bhinzi pods uye huni vanillin yakatorwa kubva muhuni. Iyo synthesis nzira ndeye kushandisa mbishi phenol kuburikidza nephenolic condensation reaction kugadzira vanillin.

Vanillin chinhu chinopisa uye chinofanira kuchengetedzwa kure nemirazvo yakavhurika uye tembiricha yakakwira. Pfeka magirovhosi ekudzivirira uye magirazi panguva yekushanda kuti usasangana neganda nemeso. Inhalation yeguruva rayo kana mhute inofanirawo kudzivirirwa uye mashandiro anofanirwa kuitwa munzvimbo dzinofefeterwa zvakanaka. Vanillin inowanzoonekwa sekemikari yakachengetedzeka isingakonzere kukuvadza kukuru kuvanhu kana ikashandiswa nekuchengetwa nemazvo. Zvisinei, kune vamwe vanhu vane allergies, kuratidzwa kwenguva refu kana kukuru kune vanillin kunogona kukonzera kusawirirana uye kunofanira kushandiswa nekuchenjerera.


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