4-Bromo-3-nitrobenzoic acid (CAS# 6319-40-0)
| Lambobin haɗari | R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. R22 - Yana cutarwa idan an haɗiye shi |
| Bayanin Tsaro | S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska. |
| WGK Jamus | 3 |
| HS Code | 29163990 |
| Bayanin Hazard | Haushi |
Gabatarwa
3-nitro-4-bromobenzoic acid wani fili ne na kwayoyin halitta tare da dabarar C7H4BrNO4.
Hali:
-Bayanan: crystal mara launi ko haske rawaya crystalline foda.
- Matsakaicin narkewa: 215-218 ℃.
-Solubility: Solubility a cikin ruwa kadan ne, mai narkewa a cikin ethanol, ether da chloroform da sauran kaushi na kwayoyin halitta.
Amfani:
3-nitro-4-bromobenzoic acid ne mai muhimmanci kwayoyin kira matsakaici, wanda aka yadu amfani a Pharmaceutical kira da rini masana'antu.
-Hadarin miyagun ƙwayoyi: ana iya amfani da shi azaman mafari don haɗa wasu magungunan da ba na steroidal anti-inflammatory da sauran magunguna.
-Dye masana'antu: za a iya amfani da roba dyes da pigments.
Hanyar Shiri:
3-nitro-4-bromobenzoic acid za a iya shirya ta nitration na 4-bromobenzoic acid. Takamaiman matakan sune kamar haka:
1. Narkar da 4-bromobenzoic acid a cikin wani gauraye bayani na nitric acid da glacial acetic acid.
2. Dama da cakuda dauki a ƙananan zafin jiki.
3. Samfurin da aka haɗe a cikin cakudawar amsa ana tacewa kuma a wanke, sannan a bushe don samun 3-nitro-4-bromobenzoic acid.
Bayanin Tsaro:
3-nitro-4-bromobenzoic acid yana da tasiri mai ban sha'awa akan fata da idanu, kuma ya kamata a tsaftace shi sosai bayan haɗuwa. Lokacin amfani da ajiya, guje wa shakar ƙurar sa kuma saka kayan kariya idan ya cancanta. Bugu da ƙari, 3-nitro-4-bromobenzoic acid na iya haifar da lahani ga muhalli, don haka ya kamata a kula da kiyaye ƙa'idodin kare muhalli masu dacewa.
