Ethyl Vanillin
Ethyl vanillin shine sinadarin kwayoyin halitta tare da dabara (C2H5O) (HO) C6H3CHO.Wannan ƙaƙƙarfan mara launi ya ƙunshi zoben benzene tare da hydroxyl, ethoxy, da ƙungiyoyin formyl akan matsayi na 4, 3, da 1, bi da bi.
Ethyl vanillin kwayar halitta ce ta roba, ba a samu a cikin yanayi ba.An shirya shi ta matakai da yawa daga catechol, farawa da ethylation don ba da "guethol".Wannan ether yana tattarawa da glyoxylic acid don ba da daidaitaccen abin da ake samu na mandelic acid, wanda ta hanyar oxidation da decarboxylation yana ba da ethyl vanillin.
A matsayin mai ɗanɗano, ethyl vanillin yana da ƙarfi kamar sau uku kamar vanillin kuma ana amfani dashi wajen samar da cakulan.
| Abubuwa | Matsayi |
| Bayyanar | Kyawawan lu'ulu'u masu launin fari ko ɗan ƙaramin rawaya |
| wari | Halin vanilla, ya fi karfi fiye da vanillin |
| Solubility | 1 gram na ethyl vanillin yakamata ya zama mai narkewa a cikin 2ml 95% ethanol, kuma yana bayyana bayani. |
| Tsaftace (Dry Tushen,HPLC) | 99% Min |
| Asara akan bushewa | 0.5% Max |
| Wurin narkewa (℃) | 76.0-78.0 |
| Arsenic (AS) | 3 mg/kg Max |
| Karfe masu nauyi (kamar Pb) | 10 mg/kg Max |
| Ragowa akan kunnawa | 0.05% Max |
Adana: a bushe, sanyi, da wuri mai inuwa tare da marufi na asali, kauce wa danshi, adana a zafin jiki.
Rayuwar Rayuwa: wata 48
Kunshin: in25kg/bag
bayarwa:tabbata
1. Menene sharuddan biyan ku?
T/T ko L/C.
2. Menene lokacin bayarwa?
Yawancin lokaci za mu shirya jigilar kaya a cikin kwanaki 7 -15.
3. Yaya game da shiryawa?
Yawancin lokaci muna samar da shiryawa azaman 25 kg / jaka ko kwali.Tabbas, idan kuna da buƙatu na musamman akan su, zamuyi a cewar ku.
4. Yaya game da ingancin samfuran?
Dangane da samfuran da kuka yi oda.
5. Wadanne takardu kuka bayar?
Yawancin lokaci, muna ba da daftari na Kasuwanci, Lissafin tattarawa, Lissafin lodi, COA , Takaddun lafiya da takardar shaidar Asalin.Idan kasuwanninku suna da wasu buƙatu na musamman, sanar da mu.
6. Menene loading tashar jiragen ruwa?
Yawancin lokaci shine Shanghai, Qingdao ko Tianjin.
