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mankhwala

α-Bromo-4-chloroacetophenone (CAS#536-38-9)

Chemical Property:

Molecular Formula C8H6BrClO
Molar Misa 233.49
Kuchulukana 1.5624 (kuyerekeza movutikira)
Melting Point 93-96°C(lat.)
Boling Point 186°C (kuyerekeza molakwika)
Pophulikira 129 ° C
Kusungunuka kwamadzi Zosasungunuka m'madzi.
Kusungunuka sungunuka mu Methanol
Kuthamanga kwa Vapor 0.00216mmHg pa 25°C
Maonekedwe Crystallization
Mtundu Zoyera mpaka zachikasu
Merck 14,2153
Mtengo wa BRN 607603
Mkhalidwe Wosungira Mpweya wozizira, 2-8 ° C
Zomverera Lachrymatory
Refractive Index 1.5963 (chiyerekezo)
MDL Mtengo wa MFCD00000625
Zakuthupi ndi Zamankhwala Makristasi onga singano. Malo osungunuka 96-96.5 °c.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa C - Zowononga
Zizindikiro Zowopsa R34 - Imayambitsa kuyaka
R22 - Zowopsa ngati zitamezedwa
R36 - Zokhumudwitsa m'maso
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.)
S27 - Chotsani nthawi yomweyo zovala zonse zowonongeka.
Ma ID a UN UN 3261 8/PG 2
WGK Germany 2
Mtengo wa RTECS AM5978800
FLUKA BRAND F CODES 19
TSCA Inde
HS kodi 29147000
Zowopsa Zowonongeka/Lachrymatory/Kuzizira
Kalasi Yowopsa 8
Packing Group III
Poizoni LD50 pakamwa pa mbewa:>2000 mg/kg (Dat-Xuong)

 

Mawu Oyamba

α-Bromo-4-chloroacetophenone ndi organic pawiri. Nazi zina zokhudza katundu wake, ntchito, njira zopangira ndi chitetezo:

 

Ubwino:

1. Maonekedwe: α-bromo-4-chloroacetophenone ndi yoyera yolimba.

3. Kusungunuka: Kusungunuka mu zosungunulira za organic monga ethanol, acetone ndi carbon disulfide kutentha.

 

Gwiritsani ntchito:

α-bromo-4-chloroacetophenone imakhala ndi reactivity yamphamvu yamankhwala ndipo imatha kugwiritsidwa ntchito ngati gawo lapakati pakupanga kwachilengedwe.

 

Njira:

Kukonzekera kwa α-bromo-4-chloroacetophenone kumatha kuchitika ndi zotsatirazi:

1-bromo-4-chlorobenzene imachitidwa ndi acetic anhydride pamaso pa sodium carbonate kupanga 1-acetoxy-4-bromo-chlorobenzene. Kenako imachitidwa ndi methyl bromide pamaso pa zosungunulira kuti apange α-bromo-4-chloroacetophenone.

 

Zambiri Zachitetezo:

Pewani kukhudzana ndi khungu, pewani kutulutsa nthunzi yake, ndipo gwiritsani ntchito pamalo abwino mpweya wabwino.

Posunga ndi kugwiritsa ntchito, khalani kutali ndi malo oyaka moto ndi malo otentha kwambiri kuti musapange mpweya woyaka kapena wapoizoni.

Potaya zinyalala, zofunikira zamalamulo achilengedwe amderalo ziyenera kutsatiridwa kuti zitsimikizidwe kuti zitha kutayidwa moyenera.


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