4-Bromo-3-nitrobenzoic acid (CAS# 6319-40-0)
| Risk Codes | R36/37/38 - Kushungurudza maziso, kufema system uye ganda. R22 – Zvinokuvadza kana ikamedzwa |
| Tsanangudzo Yekuchengetedza | S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa. S36/37/39 - Pfeka zvipfeko zvekudzivirira zvakakodzera, magurovhosi uye kudzivirira kweziso/chiso. |
| WGK Germany | 3 |
| HS Code | 29163990 |
| Hazard Note | Irritant |
Nhanganyaya
3-nitro-4-bromobenzoic acid is an organic compound ine formula C7H4BrNO4.
Zvakasikwa:
-Kuonekwa: Kirasi isina ruvara kana mwenje yero crystalline poda.
-kunyungudika nzvimbo: 215-218 ℃.
-Solubility: Solubility mumvura idiki, soluble mu ethanol, ether uye chloroform uye mamwe organic solvents.
Shandisa:
3-nitro-4-bromobenzoic acid yakakosha organic synthesis yepakati, iyo inoshandiswa zvakanyanya mukugadzirwa kwemishonga uye dhayi indasitiri.
-Drug synthesis: inogona kushandiswa sechigadziro chekugadzirisa kwezvimwe zvisiri-steroidal anti-inflammatory drugs nezvimwe zvinodhaka.
-Dye indasitiri: inogona kushandiswa kugadzira dhayi uye pigment.
Kugadzirira nzira:
3-nitro-4-bromobenzoic acid inogona kugadzirwa ne nitration ye4-bromobenzoic acid. Matanho chaiwo ndeaya anotevera:
1. Dissolve 4-bromobenzoic acid mune yakasanganiswa mhinduro ye nitric acid uye glacial acetic acid.
2. Kurudzira musanganiswa wekuita pane tembiricha yakaderera.
3. Chigadzirwa chakakonzerwa mumusanganiswa wekuita chinosefa uye chinoshambidzwa, uye chakaomeswa kuwana 3-nitro-4-bromobenzoic acid.
Zvekuchengetedza
3-nitro-4-bromobenzoic acid ine simba rinokurudzira paganda nemaziso, uye inofanira kucheneswa zvakakwana mushure mekusangana. Panguva yekushandiswa nekuchengetedza, dzivisa kupinza guruva rayo uye pfeka zvekudzivirira kana zvichidikanwa. Mukuwedzera, 3-nitro-4-bromobenzoic acid inogonawo kukonzera kukuvadza kune zvakatipoteredza, saka kutarisirwa kunofanira kutorwa kutevedzera mitemo yekuchengetedzwa kwezvakatipoteredza.
