Ethyl Vanillin
Ethyl vanillin yog cov organic compound nrog cov mis (C2H5O) (HO) C6H3CHO.Cov khoom tsis muaj xim no muaj lub nplhaib benzene nrog hydroxyl, ethoxy, thiab formyl pawg ntawm 4, 3, thiab 1 txoj haujlwm, raws li.
Ethyl vanillin yog ib qho hluavtaws molecule, tsis pom nyob rau hauv qhov.Nws yog npaj los ntawm ob peb kauj ruam ntawm catechol, pib nrog ethylation muab "guethol".Qhov no ether condenses nrog glyoxylic acid muab qhov sib txuam mandelic acid derivative, uas ntawm oxidation thiab decarboxylation muab ethyl vanillin.
Raws li ib tug flavorant, ethyl vanillin yog hais txog peb zaug li muaj zog li vanillin thiab yog siv nyob rau hauv zus tau tej cov chocolate.
| Cov khoom | Cov qauv |
| Qhov tshwm sim | Fine dawb los yog daj me ntsis crystals |
| tsw | Cov yam ntxwv ntawm vanilla, muaj zog tshaj vanillin |
| Solubility | 1 gram ntawm ethyl vanillin yuav tsum tau soluble nyob rau hauv 2ml 95% ethanol, thiab ua kom meej tov. |
| Purity (Lub hauv paus qhuav, HPLC) | 99% Min |
| Poob rau ziab | 0.5% Max |
| Melting Point (℃) | 76.0-78.0 Nws |
| Arsenic (As) | 3 mg/kg Max |
| Heavy Metals (raws li Pb) | 10 mg/kg Max |
| Residue ntawm ignition | 0.05% Max |
Cia: nyob rau hauv qhuav, txias, thiab ntxoov ntxoo nrog thawj ntim, tsis txhob ya raws, khaws cia ntawm chav tsev kub.
Txee lub neejib: 48oy
Pob: hauv25kg / hnab
kev xa khoom:ces
1. Koj cov nqe lus them nqi yog dab tsi?
T / T lossis L / C.
2. Koj lub sijhawm xa khoom yog dab tsi?
Feem ntau peb yuav npaj cov khoom xa tuaj hauv 7-15 hnub.
3. Yuav ua li cas txog kev ntim khoom?
Feem ntau peb muab cov ntim raws li 25 kg / hnab lossis thawv.Tau kawg, yog tias koj muaj cov cai tshwj xeeb rau lawv, peb yuav ua raws li koj.
4. Yuav ua li cas txog qhov siv tau ntawm cov khoom?
Raws li cov khoom koj xaj.
5. Koj muab cov ntaub ntawv dab tsi?
Feem ntau, peb muab Commerical Invoice, Packing List, Bill of loading, COA, Health certificate thiab Origin certificate.Yog tias koj lub lag luam muaj cov kev cai tshwj xeeb, qhia rau peb paub.
6. Qhov chaw nres nkoj yog dab tsi?
Feem ntau yog Shanghai, Qingdao lossis Tianjin.
