Ethyl varillin
Ethyl varillin shine fili na kwayoyin tare da dabara (C2H5o) (Ho) C6h3CHO. Wannan launi mara launi ya ƙunshi zobe na benzene tare da hydroxyl, uthoxy, da ƙungiyoyi masu tsari a kan 4, 3, da 1 matsayi a kan 4, 3, da 1 matsayi, bi da 1 matsayi, bi da 1 matsayi, bi da 1 matsayi, bi da 1 matsayi, bi da 1 matsayi, bi da shi.
Ethyl varillin shine kwayar halittar roba, ba a samo cikin yanayi ba. An shirya ta ta matakai da yawa daga catchol, fara da ethylation don bayar da "Guewutol". Wannan furen acid tare da glyoxylic acid don bayar da dacewa da mandelic acid, wanda ta hanyar hade da abu da iskar shaye-shaye da kayan aiki yana ba da ethyl varillin.
A matsayina na flavantant, ethyl varillin kusan sau uku ne kamar yadda ake amfani da shi a matsayin varillin kuma ana amfani dashi a cikin samar da cakulan.
| Abubuwa | Ƙa'idoji |
| Bayyanawa | Kyakkyawan fari ko dan kadan lu'ulu'u |
| Ƙanshi | Halayyar vanilla, ta fi karfi varillin |
| Socighility | 1 gram na ethyl varillin ya kamata ya zama mai narkewa a cikin 2ML 95% Ethanol, kuma yana yin mafita |
| Tsarkake (busasshiyar tushe, HPLC) | 99% min |
| Asara akan bushewa | 0.5% Max |
| Maɗaukaki (℃) | 76.0- 78.0 |
| Arsenic (as) | 3 mg / kg max |
| Karuwa mai nauyi (kamar yadda PB) | 10 mg / kg max |
| Ruwa a kan wuta | 0.05% Max |
Ajiya: A cikin bushe, sanyi, da kuma wurin da aka haifeshi tare da farfadowa na asali, a kan danshi, adanawa a zazzabi a ɗakin.
Rayuwar shiryayye: Watanni 48
Kunshin: A25KG / Bag
ceto: A hankali
1. Menene sharuɗɗan biyan ku?
T / t ko l / c.
2. Menene lokacin isarwa?
Yawancin lokaci zamu shirya jigilar kaya a cikin kwanaki 7 -15.
3. Yaya game da fakitin?
Yawancin lokaci muna samar da fakitin kamar kashi 25 kg / jakar ko farji. Tabbas, idan kuna da buƙatu na musamman a kansu, zamu iya gwargwadon ku.
4. Yaya game da ingancin samfuran?
Dangane da samfuran da kuka ba da umarnin.
5. Waɗanne takardu kuke bayarwa?
Yawancin lokaci, muna samar da daftari na kasuwanci, jerin kunshin, lissafin Loading, CAA, Takardar lafiya da takardar shaidar lafiya. Idan kasuwanninku suna da wasu buƙatu na musamman, sanar da mu.
6. Mecece tashar jiragen ruwa?
Yawancin lokaci shine Shanghai, Qingdao ko Tianjin.
