isibhengezo_sekhasi

umkhiqizo

2 3-DICHLORO-5-NITROPYRIDINE(CAS# 22353-40-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H2Cl2N2O2
I-Molar Mass 192.99
Ukuminyana 1.629±0.06 g/cm3(Kubikezelwe)
I-Melting Point 51-56℃
I-Boling Point 256°C(lit.)
I-Flash Point > 110°C
Ukuncibilika encibilikayo ku-Methanol
Ukubukeka Okuqinile
Umbala Okumhlophe kuya kokuphuzi Okukhanyayo
pKa -4.99±0.10(Kubikezelwe)
Isimo Sesitoreji ngaphansi kwegesi ye-inert (nitrogen noma i-Argon) ku-2-8°C
I-MDL I-MFCD03840432

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R43 - Ingabangela ukuzwela ngokuthinta isikhumba
R41 – Ingozi yokulimala okubi emehlweni
R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R25 – Kunobuthi uma ugwinywe
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
S39 – Gqoka ukuvikela iso / ubuso.
Ama-ID e-UN UN 2811 6.1/PG 3
I-WGK Germany 1
Ikhodi ye-HS 29333990
I-Hazard Class I-IRRITANT
Iqembu Lokupakisha

 

Isingeniso

I-2,3-Dichloro-5-nitropyridine iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: I-2,3-dichloro-5-nitropyridine iyikristalu ekhanyayo ephuzi noma i-crystalline powder.

- Ukunyibilika: Kuncibilika kuzincibilikisi eziphilayo njenge-chloroform, i-ethanol, i-ether ne-benzene.

 

Sebenzisa:

- Izivimbelakuvunda: Iphinde ibe nomthelela wokunqanda izifo futhi ingangezwa kweminye imikhiqizo efana nopende, ukhuni, namapulasitiki, phakathi kokunye.

 

Indlela:

- Ngokuvamile, i-2,3-dichloro-5-nitropyridine itholakala ngokuphendula i-2,3-dichloropyridine nge-nitric acid.

- Inqubo ethile yokulungiselela ingase ibandakanye izimo ezithile zokusabela kanye nama-catalyst, kanye nemininingwane ethile edinga ukwenziwa elabhorethri yamakhemikhali.

 

Ulwazi Lokuphepha:

- I-2,3-Dichloro-5-nitropyridine iyinhlanganisela yemvelo edinga ukubambelela ekusetshenzisweni okufanele nokuphathwa kwamakhemikhali, njengokugqoka amagilavu ​​okuzivikela, izibuko, kanye nejazi lelebhu.

- Uma uyigcina, kufanele igcinwe endaweni eyomile, epholile futhi kude nomlilo nama-oxidants.

- Gwema ukuhogela, ukumunca, noma ukuthinta isikhumba namehlo ngesikhathi sokusebenzisa.

 


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