Mai ƙera Pyrazine Mai Inganci CAS NO.290-37-9 Kayan Matsakaici na Halitta Pyrazine

Pyridazine (290-37-9) mai atom nitrogen guda biyu a cikin lambobi 1,2 ana kiransa pyridazine; Lambobi 1,3 ana kiransu pyrimidines, kuma dukkansu isomers ne na pyrazines. Pyrazine lu'ulu'u ne mara launi, wurin narkewa 54 ° C, wurin tafasa 115 ~ 116 ° C (768 mm Hg), yawan ruwa mai kama da 1.0311 (61/4 ° C). Yana da wari iri ɗaya da pyridine. Yana narkewa a cikin ruwa, ethanol, ether, da sauransu. Pyrazine tushe ne mai rauni sosai. Ƙanshinsa suna kama da pyridine, da wuya ya fuskanci halayen maye gurbin electrophilic, kuma yana aiki sosai ga nucleophiles. Bayan an maye gurbin hydrogen akan atom na carbon da rukunin methyl ko halogen, hydrogen akan halogen ko ƙungiyar methyl yana aiki. Ana iya haɗa Pyrazines da abubuwan da suka samo asali ta hanyoyi daban-daban.

1. Tsarkakakken ruwa mai zurfi 99.0% min

2. Babu wani tsari na rashin tsari

3. Yi amfani da ɗanɗano iri-iri

4. Muna da takardar shaidar ISO, muna da takardar shaidar Halal da kosher na wannan samfurin.

5. Muna da babban ƙarfin aiki, don haka, yawanci muna da lokacin jagora mai sauri.

6. Za mu iya bayar da samfurin 10g-50g kyauta don gwajin dakin gwaje-gwajenku.

1. Samfurin da aka yi amfani da shi shine 20g/30g/50g a kowace kwalba.

2. Ƙaramin marufin shine 1kg /5kg /10kg a kowace kwalba.

3.25 kg a kowace ganga

Ana iya keɓance marufi gwargwadon buƙatun abokin ciniki