4-Bromo-2-nitrobenzoic acid (CAS# 99277-71-1)
| Iikhowudi zoMngcipheko | I-R22 – Iyingozi xa iginyiwe R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. I-R43 – Inokubangela uvakalelo ngokudibana nolusu R50 – Inetyhefu kakhulu kwizinto eziphila emanzini |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S36/37 – Nxiba iimpahla ezifanelekileyo zokukhusela kunye neeglavu. S61 –Kuphephe ukukhutshelwa kokusingqongileyo. Jonga kwimiyalelo ekhethekileyo / kumaphepha edatha yokhuseleko. |
| Izazisi ze-UN | UN 3077 9/PG 3 |
| WGK eJamani | 2 |
| Ikhowudi ye-HS | 29163990 |
| IKlasi yeeNgozi | OKUTHUMEKAYO |
| Iqela lokuPakisha | III |
Intshayelelo
I-4-Bromo-2-nitrobenzoic acid yi-organic compound, ehlala ifinyeziwe njenge-BNBA. Oku kulandelayo sintshayelelo kwiipropati zayo, ukusetyenziswa, iindlela zokuvelisa kunye nolwazi lokhuseleko:
Umgangatho:
- Imbonakalo: I-4-Bromo-2-nitrobenzoic acid iyikristale emhlophe eqinileyo.
- Ukunyibilika: Inokunyibilika kakuhle kwizinyibilikisi eziqhelekileyo ze-organic ezifana ne-ethanol, i-chloroform kunye ne-dimethylformamide.
Sebenzisa:
- Ibala le-pigment: Le khompawundi inokusetyenziselwa ukulungisa ii-pigments ezikhethekileyo.
Indlela:
- Ukulungiswa kwe-4-bromo-2-nitrobenzoic acid ngokuqhelekileyo kufumaneka ngokuphendula i-2-nitrobenzoic acid kunye ne-bromine phantsi kweemeko ze-acidic. Ukulungiselela indlela ethile, nceda ujonge kuncwadi olufanelekileyo lwe-organic synthesis.
Ulwazi ngoKhuseleko:
- I-compound ine-irritation ethile, kwaye amanyathelo okukhusela afana nokunxiba iiglavu, izibuko, njl., kufuneka athathwe ngexesha lokusebenza.
• Zigcine kude namadangatye avulekileyo kunye nezinto ezinobushushu obuphezulu, kwaye uzigcine kwindawo epholileyo neyomileyo.
- Kukho idatha ye-toxicity eyaneleyo, i-toxicity ye-4-bromo-2-nitrobenzoic acid ayaziwa, kwaye isilumkiso kufuneka sisetyenziswe xa usebenzisa okanye ukuyiphatha, kunye neendlela ezifanelekileyo zokusebenza ezikhuselekileyo kufuneka zilandelwe.
