isibhengezo_sekhasi

umkhiqizo

5-Bromo-2-nitrobenzoic acid (CAS# 6950-43-2)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H4BrNO4
I-Molar Mass 246.01
Ukuminyana 2.0176 (isilinganiso esinzima)
I-Melting Point 139-141°C
I-Boling Point 382.08°C (isilinganiso esinzima)
pKa 1.85±0.25(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.6500 (isilinganiso)
Sebenzisa I-5-bromo-2-nitro-benzoic acid ingeye-carboxylic acid derivatives futhi ingasetshenziswa njengama-organic intermediates.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma kugwinywe.
Incazelo Yokuphepha S22 - Ungaphefumuli uthuli.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
Ikhodi ye-HS 29163990

 

Isingeniso

I-5-Bromo-2-nitro-benzoic acid iyinhlanganisela ephilayo. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: I-5-Bromo-2-nitro-benzoic acid iyimpushana ecwebezelayo emhlophe kuya kokuphuzi.

- Ukunyibilika: Cishe ayincibiliki emanzini, kodwa incibilika kuzincibilikisi eziphilayo njenge-ether, i-methylene chloride, ne-acetone.

 

Sebenzisa:

- I-5-Bromo-2-nitro-benzoic acid ivame ukusetshenziswa njengendawo ephakathi ekuhlanganiseni kwe-organic ukuze kulungiswe ezinye izinhlanganisela eziphilayo.

- Ingasetshenziswa futhi njengento eluhlaza yodayi, ikakhulukazi ukukhiqiza umbala ngesikhathi sokudaya.

 

Indlela:

- Ukuqala nge-benzoic acid, i-5-bromo-2-nitro-benzoic acid ingahlanganiswa ngochungechunge lokusabela kwamakhemikhali. Izinyathelo ezithile zifaka ukusabela kwamakhemikhali okufana ne-bromination, i-nitrification, ne-demethylation.

 

Ulwazi Lokuphepha:

- Kunolwazi olulinganiselwe lobuthi mayelana ne-5-bromo-2-nitro-benzoic acid, kodwa lungase lucasule futhi lube yingozi kubantu.

- Izinyathelo ezifanele zokuzivikela, njengokugqoka amagilavu, izibuko, nezingubo zokuzivikela, kufanele zithathwe lapho uphatha futhi usebenzisa le nhlanganisela.

- Gwema ukuthintana nesikhumba namehlo, futhi usebenzise endaweni engenawo umoya.

- Uma uyigcina, kufanele igcinwe esitsheni esingangeni moya, kude nemithombo yomlilo kanye nezinto ezivuthayo.

 


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