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umkhiqizo

4-Nitrobenzyl utshwala (CAS# 619-73-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula C7H7NO3
I-Molar Mass 153.14
Ukuminyana 1.3585 (isilinganiso esinzima)
I-Melting Point 92-94°C(lit.)
I-Boling Point 185°C12mm Hg(lit.)
I-Flash Point 180 °C
Ukuncibilika kwamanzi Incibilika emanzini (2 mg/ml ku-20°C).
Ukuncibilika 2g/l
I-Vapor Presure 0.000128mmHg ku-25°C
Ukubukeka I-Crystalline Powder
Umbala Okuphuzi
I-BRN 1424026
pKa 13.61±0.10(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.5030 (isilinganiso)
Izakhiwo Zomzimba Nezamakhemikhali Iphuzu lokuncibilika lingu-92-95°C
indawo yokubilisa engu-185°C (12 torr)
iphoyinti elikhanyayo 180°C
Sebenzisa Isetshenziswa njengendawo emaphakathi ku-organic synthesis

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R34 – Ibangela ukusha
I-R11 – Ivutha Kakhulu
I-R22 – Iyingozi uma igwinywe
Incazelo Yokuphepha S22 - Ungaphefumuli uthuli.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
S16 – Zigcine kude nemithombo yokuthungela.
I-WGK Germany 3
I-RTECS DP0657100
AMAKHODI E-FLUKA BRAND F 8
I-TSCA Yebo
Ikhodi ye-HS 29062900
Inothi Lengozi Iyacasula

 

Isingeniso

4-nitrobenzyl utshwala. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-4-nitrobenzyl alcohol:

 

Ikhwalithi:

- I-4-Nitrobenzyl alcohol iyikristali eqinile engenambala enephunga elimnandi elimnandi.

- Azinzile ezingeni lokushisa legumbi nokucindezela, kodwa kungase kubangele ukuqhuma lapho kuvezwe ukushisa, ukudlidliza, ukungqubuzana noma ukuthintana nezinye izinto.

- Ingancibilika kuzincibilikisi zemvelo ezifana notshwala, ama-ether, nama-hydrocarbon ane-chlorine, futhi inyibilike kancane emanzini.

 

Sebenzisa:

- I-4-nitrobenzyl alcohol ibalulekile ekuhlanganiseni kwe-organic synthesis futhi isetshenziswa kabanzi ekulungiseni uhla lwamakhemikhali.

 

Indlela:

- I-4-Nitrobenzyl alcohol ingatholwa ngokusabela kokunciphisa kwe-p-nitrobenzene nge-sodium hydroxide hydrate. Kunezimo eziningi eziqondile nezindlela zokusabela, ezivame ukwenziwa ngaphansi kwezimo ezine-acidic noma ezine-alkali.

 

Ulwazi Lokuphepha:

- I-4-Nitrobenzyl alcohol iyaqhuma futhi kufanele igcinwe kude namalangabi avulekile kanye namazinga okushisa aphezulu.

- Gqoka izinto zokuzivikela ezifanele ezifana namagilavu ​​zelabhu, izibuko, nezingubo zokuzivikela lapho usebenza.

- Ukuhambisana okuqinile nezinqubo zokusebenza eziphephile ezifanele kanye nemithethonqubo kufanele kuqashelwe ngesikhathi sokugcina nokuphatha.

- Naka ukuvikelwa kwemvelo futhi uhambisane nemithethonqubo efanele kanye namazinga lapho uzisebenzisa noma uzilahla.


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