Ethyl Vanillin | 121-32-4
Whakaahuatanga Hua
Ko te Ethyl vanillin te pūhui waro me te tātai (C2H5O)(HO)C6H3CHO. Ko tenei totoka taekore he mowhiti benzene me nga roopu hydroxyl, ethoxy, me te formyl kei runga i nga tuunga 4, 3, me te 1.
Ko te Ethyl vanillin he ngota ngota waihanga, kaore i kitea i te taiao. Ka mahia ma te maha o nga hikoi mai i te catechol, ka tiimata mai i te ethylation ki te hoatu "guethol". Ko tenei etera ka whakapoapoa ki te waikawa glyoxylic hei whakaputa i te pärönaki waikawa mandelic e rite ana, na te whakapouritanga me te decarboxylation ka puta te ethyl vanillin.
Hei kakara, ko te ethyl vanillin e toru nga wa te kaha ake i te vanillin, ka whakamahia ki te hanga tiakarete.
Whakatakotoranga
| ITEM | Paerewa |
| Te ahua | He maamaa ma ki te karaihe kowhai paku |
| Te kakara | Ko te ahua o te vanilla, he kaha ake i te vanilla |
| Wairewa (25 ℃) | Ko te 1 karamu ka memeha katoa ki te 2ml 95% waihā, ka hanga he otinga marama |
| Pure (HPLC) | >= 99% |
| Ngaronga i te whakamaroke | =< 0.5% |
| Ira Whakarewa (℃) | 76.0- 78.0 |
| Arsenic (As) | =< 3 mg/kg |
| Mercury (Hg) | =< 1 mg/kg |
| Te Tapeke Konga Taamaha (hei Pb) | =< 10 mg/kg |
| Te toenga o te mura | =< 0.05% |
