Ethyl Vanillin
Ethyl vanillin ke motsoako oa tlhaho o nang le foromo (C2H5O)(HO)C6H3CHO.Se tiileng sena se se nang 'mala se na le selikalikoe sa benzene se nang le hydroxyl, ethoxy, le lihlopha tsa formyl maemong a 4, 3, le 1, ka ho latellana.
Ethyl vanillin ke molek'hule ea maiketsetso, e sa fumaneheng tlhahong.E lokisoa ka mehato e mengata ho tloha catechol, ho qala ka ethylation ho fana ka "guethol".Ether ena e kopana le glyoxylic acid ho fana ka motsoako oa mandelic acid, oo ka oxidation le decarboxylation e fanang ka ethyl vanillin.
E le monko o monate, ethyl vanillin e matla ka makhetlo a ka bang mararo ho feta vanillin mme e sebelisoa tlhahisong ea chokolete.
Lintho | Litekanyetso |
Ponahalo | Likristale tse tšoeu kapa tse mosehla hanyane |
Monko o monate | Tšobotsi ea vanilla, e matla ho feta vanillin |
Solubility | 1 gram ea ethyl vanillin e lokela ho qhibiliha ka 2ml 95% ethanol, 'me e fana ka tharollo e hlakileng. |
Purity (Dry basis,HPLC) | 99% Mets |
Tahlehelo ka ho Omisa | 0.5% Max |
Melting Point (℃) | 76.0- 78.0 |
Arsenic (As) | 3 mg / kg Max |
Litšepe tse boima (joalo ka Pb) | 10 mg / kg Max |
Masalla ha a tuka | 0.05% Max |
Polokelo: sebakeng se omeletseng, se pholileng le se nang le moriti se nang le liphutheloana tsa pele, qoba mongobo, boloka mocheso oa kamore.
Shelf Life: Likhoeli tse 48
Sephutheloana: ka25kg / mokotla
phano:ka potlako
1. Lipehelo tsa hau tsa tefo ke life?
T/T kapa L/C.
2. Nako ea hau ea ho fana ke efe?
Hangata re tla hlophisa thomello ka matsatsi a 7 -15.
3. Ho thoe'ng ka ho paka?
Hangata re fana ka ho paka e le 25 kg / mokotla kapa lebokose.Ha e le hantle, haeba u na le litlhoko tse khethehileng ho tsona, re tla tla ho ea ka uena.
4. Ho thoe'ng ka bonnete ba lihlahisoa?
Ho ea ka lihlahisoa tseo u li laetseng.
5. U fana ka litokomane life?
Hangata, re fana ka Invoice ea Khoebo, Lethathamo la Packing, Bill of loading, COA , Setifikeiti sa Bophelo bo Botle le setifikeiti sa Origin.Haeba limmaraka tsa hau li na le litlhoko tse ikhethang, re tsebise.
6. Ho lata boema-kepe ke eng?
Hangata ke Shanghai, Qingdao kapa Tianjin.