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mankhwala

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

Chemical Property:

Molecular Formula C5H2Cl2N2O2
Molar Misa 192.99
Kuchulukana 1.629±0.06 g/cm3(Zonenedweratu)
Melting Point 51-56 ℃
Boling Point 256°C(kuyatsa)
Pophulikira > 110 ° C
Kusungunuka sungunuka mu Methanol
Maonekedwe Zolimba
Mtundu Kuyera mpaka Kuwala kwachikasu
pKa -4.99±0.10(Zonenedweratu)
Mkhalidwe Wosungira Pansi pa mpweya wa inert (nayitrogeni kapena Argon) pa 2-8 ° C
MDL Mtengo wa MFCD03840432

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R43 - Itha kuyambitsa chidwi pakukhudzana ndi khungu
R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso
R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu.
R25 - Poizoni ngati atamezedwa
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.)
S39 - Valani chitetezo chamaso / kumaso.
Ma ID a UN UN 2811 6.1/PG 3
WGK Germany 1
HS kodi 29333990
Kalasi Yowopsa ZOKWIYA
Packing Group

 

Mawu Oyamba

2,3-Dichloro-5-nitropyridine ndi organic pawiri. Zotsatirazi ndizofotokozera za chikhalidwe chake, ntchito, njira yokonzekera ndi chidziwitso cha chitetezo:

 

Ubwino:

- Maonekedwe: 2,3-dichloro-5-nitropyridine ndi kristalo wachikasu wonyezimira kapena wopanda utoto.

- Kusungunuka: Kusungunuka mu zosungunulira organic monga chloroform, ethanol, ether ndi benzene.

 

Gwiritsani ntchito:

- Zoteteza: Zimakhalanso ndi mphamvu yowononga tizilombo toyambitsa matenda ndipo zimatha kuwonjezeredwa kuzinthu zina monga utoto, matabwa, mapulasitiki, ndi zina.

 

Njira:

- Nthawi zambiri, 2,3-dichloro-5-nitropyridine imapezeka pochita 2,3-dichloropyridine ndi nitric acid.

- Kukonzekera kwachindunji kungaphatikizepo zina zomwe zimachitika komanso zopangira, ndipo tsatanetsatane wake ayenera kuchitidwa mu labotale yamankhwala.

 

Zambiri Zachitetezo:

- 2,3-Dichloro-5-nitropyridine ndi organic compound yomwe imafuna kutsata kugwiritsira ntchito moyenera ndi kusamalira mankhwala, monga kuvala magolovesi otetezera, magalasi, ndi malaya a labu.

- Posunga, iyenera kusungidwa pamalo owuma, ozizira komanso kutali ndi moto ndi ma oxidants.

- Pewani kutulutsa mpweya, kumeza, kapena kukhudza khungu ndi maso mukamagwiritsa ntchito.

 


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