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4-Bromocrotonic Acid (CAS# 13991-36-1)

Chemical Property:

Molecular Formula C4H5BrO2
Molar Misa 164.99
Kuchulukana 1.718
Melting Point 74 °C
Boling Point 288 ℃
Pophulikira 128 ℃
Kusungunuka Chloroform (Mochepa), Methanol (Pang'ono)
Kuthamanga kwa Vapor 0.000626mmHg pa 25°C
Maonekedwe Zolimba
Mtundu Pale Yellow kupita Pale Beige
pKa 4.13±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Mpweya wozizira, 2-8 ° C

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Ngozi ndi Chitetezo

Zizindikiro Zowopsa 34 - Zimayambitsa kuwotcha
Kufotokozera Zachitetezo 36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
Ma ID a UN 3261
HS kodi 29161900
Kalasi Yowopsa 8
Packing Group III

4-Bromocrotonic Acid (CAS # 13991-36-1) chiyambi

4-bromocoumaric acid ndi organic pawiri. Nawa chidule cha zomwe zili, ntchito, njira zopangira, ndi chidziwitso chachitetezo:

chilengedwe:
-Maonekedwe: 4-bromocoumaric acid ndi yoyera mpaka yotumbululuka yachikasu makristalo olimba.
-Kusungunuka: Kutha kusungunuka mu zosungunulira monga madzi, ethanol, ndi ether.
-Kukhazikika: Kukhazikika pang'onopang'ono kutentha, koma kumatha kuwola kukatenthedwa.

Cholinga:
-Kufufuza kwamankhwala: Amagwiritsidwanso ntchito ngati chothandizira pakupanga kaphatikizidwe ka organic.
-Ulimi: 4-bromocoumaric acid imakhala ndi ntchito zina muzowongolera zakukula kwa mbewu.

Njira yopanga:
-Njira yodziwika bwino ndikuipeza pochita crotonic acid ndi ferrous bromide. Zomwe zimafunikira ziyenera kuchitidwa mu chosungunulira choyenera komanso kutentha koyenera.

Zambiri zachitetezo:
-4-bromocoumaric acid ndi mankhwala ndipo ayenera kugwiritsidwa ntchito mosamala.
-Panthawi yogwira ntchito, zida zoyenera zodzitetezera monga magolovesi a labotale, magalasi, ndi malaya a labotale ayenera kuvala.
-Pewani kukhudzana mwachindunji ndi khungu, maso ndi kupuma.
-Posungira, 4-bromocoumaric acid iyenera kusungidwa mu chidebe chosindikizidwa ndikuyikidwa pamalo ozizira, owuma, kutali ndi magwero a moto ndi zinthu zoyaka moto.


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