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mankhwala

3-Chlorobenzonitrile (CAS# 766-84-7)

Chemical Property:

Molecular Formula Chithunzi cha C7H4ClN
Misa ya Molar 137.57
Kuchulukana 1.14
Melting Point 38-40°C (kuyatsa)
Boling Point 94 °C (11 mmHg)
Pophulikira 207°F
Kusungunuka kwamadzi osasungunuka
Kuthamanga kwa Vapor 0.278mmHg pa 25°C
Maonekedwe Madzi
Mtundu Zoyera zopanda mtundu mpaka zachikasu
Mtengo wa BRN 1906694
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index 1.4530 (chiyerekezo)
MDL Mtengo wa MFCD00001798
Zakuthupi ndi Zamankhwala Makristalo oyera. Malo osungunuka 40-42 °c.
Gwiritsani ntchito Amagwiritsidwa ntchito ngati mankhwala, mankhwala ophera tizilombo, opaka utoto

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R36 - Zokhumudwitsa m'maso
R21/22 - Zowopsa pokhudzana ndi khungu komanso ngati zitamezedwa.
Kufotokozera Zachitetezo S23 - Osapuma mpweya.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
Ma ID a UN 3439
WGK Germany 3
Mtengo wa RTECS DI2600000
HS kodi 29269095
Zowopsa Zokwiyitsa
Kalasi Yowopsa 6.1
Packing Group III

 

Mawu Oyamba

M-chlorobenzene ndi organic compound.

 

Ubwino:

Diso la M-chlorobenzene ndi ufa wonyezimira wopanda mtundu kapena wonyezimira wokhala ndi ntchito yapadera yomasula komanso yowononga tizilombo. Ndi pafupifupi osasungunuka m'madzi koma amasungunuka mu zosungunulira monga ethanol ndi ether. Zimakhala zokhazikika kutentha, koma zimawonongeka mosavuta ndi kuwala.

 

Gwiritsani ntchito:

M-chlorobenzene imagwiritsidwa ntchito kwambiri paulimi ndi ulimi wamaluwa. Nthawi zambiri amagwiritsidwa ntchito ngati mankhwala ophera udzu ndipo amatha kuwononga udzu ndi mbewu zina zomwe zimalolera kupha udzu. M-chlorobenzene itha kugwiritsidwanso ntchito pothana ndi tizirombo komanso njenjete pamitengo.

 

Njira:

M-chlorobenzene nthawi zambiri imakonzedwa ndi chlorination wa nitrobenzene. Njira yeniyeni yokonzekera ikhoza kukhala kusungunula nitrobenzene mu dilute hydrochloric acid, ndikuwonjezera ferrous chloride kupanga m-chlorobenzene diso.

 

Zambiri Zachitetezo:

M-chlorobenzene ili ndi kawopsedwe kena kake ndipo iyenera kuyendetsedwa motsatira njira zoyendetsera chitetezo mukamagwiritsa ntchito. Kuwonekera kwa nthawi yayitali kapena kupuma movutikira kumatha kuwononga thanzi la munthu, kuphatikiza kuyabwa kwa khungu ndi maso, komanso kuvulaza dongosolo lamanjenje ndi kupuma. Mukamagwiritsa ntchito, muyenera kusamala kuvala magolovesi oteteza, magalasi ndi masks kuti musakhudze khungu ndi kupuma fumbi. Pogwira m-chlorobenzene, iyenera kusungidwa kutali ndi malawi otseguka komanso kutentha kwambiri kuti ipewe ngozi yoyaka ndi kuphulika. Chigawochi chiyeneranso kusungidwa bwino ndikutayidwa kuti chiteteze kuipitsidwa kwa chilengedwe. Musanagwiritse ntchito m-chlorobenzene, muyenera kumvetsetsa ndikutsatira malangizo ndi malamulo oyendetsera chitetezo.


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