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mankhwala

2 4-Dichloro pyridine (CAS# 26452-80-2)

Chemical Property:

Molecular Formula Mtengo wa C5H3Cl2N
Molar Misa 147.99
Kuchulukana 1.37
Melting Point -1 °C
Boling Point 189-190 °C (lit.)76-78 °C/23 mmHg (lit.)
Pophulikira 189-190 ° C
Kusungunuka Chloroform
Kuthamanga kwa Vapor 0.658mmHg pa 25°C
Maonekedwe Yellow to Pale Orange Liquid
Mtundu Zopanda utoto mpaka zofiira mpaka zobiriwira
Mtengo wa BRN 108666
pKa 0.12±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Mpweya wozizira, 2-8 ° C
Refractive Index 1.55-1.554
Zakuthupi ndi Zamankhwala Zamadzimadzi zowoneka bwino zopanda mtundu

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R25 - Poizoni ngati atamezedwa
R38 - Zowawa pakhungu
R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso
R43 - Itha kuyambitsa chidwi pakukhudzana ndi khungu
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R20/22 - Zowopsa pokoka mpweya komanso ngati zitamezedwa.
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.)
S36 - Valani zovala zoyenera zodzitetezera.
Ma ID a UN 2810
WGK Germany 3
Mtengo wa RTECS NC3410400
HS kodi 29333990
Zowopsa Zowopsa/Zokwiyitsa
Kalasi Yowopsa 6.1
Packing Group III

 

Mawu Oyamba

2,4-Dichloropyridine ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chitetezo cha 2,4-dichloropyridine:

 

Ubwino:

- 2,4-Dichloropyridine ndi yopanda mtundu mpaka makhiristo achikasu kapena zakumwa.

- Lili ndi fungo lopweteka kwambiri.

- 2,4-Dichloropyridine ili ndi kusungunuka kochepa, kosasungunuka m'madzi, komanso kusungunuka kwabwino mu zosungunulira za organic.

 

Gwiritsani ntchito:

- 2,4-Dichloropyridine angagwiritsidwe ntchito ngati reagent yofunika komanso chothandizira mu organic synthesis.

- 2,4-Dichloropyridine imagwiritsidwanso ntchito ngati chitsulo pamwamba pa chitsulo chothandizira kuchotsa mafilimu a oxide kapena degreasing.

 

Njira:

- Kukonzekera njira ya 2,4-dichloropyridine nthawi zambiri akamagwira 2,4-dichloropyran ndi asidi nitrous.

- Kutentha koyenera ndi nthawi yochitapo kanthu kumafunika panthawi yochita, komanso kulamulira pansi pa acidic.

 

Zambiri Zachitetezo:

- 2,4-Dichloropyridine ndi organic pawiri, ndipo chisamaliro ayenera kumwedwa ntchito otetezeka ntchito.

- Kuwonetsedwa ndi 2,4-dichloropyridine kungayambitse kuyabwa pakhungu, maso, ndi kupuma.

- Valani zida zodzitetezera zoyenera monga magolovesi, magalasi, ndi zopumira mukamagwiritsa ntchito.

- Pewani kukhudza 2,4-dichloropyridine pakhungu lotseguka komanso kukhala ndi malo ogwirira ntchito omwe ali ndi mpweya wabwino.

- Potaya zinyalala za 2,4-dichloropyridine, malamulo oyendetsera zinyalala am'deralo ayenera kutsatiridwa.


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