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umkhiqizo

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

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C4H5BrO2
I-Molar Mass 164.99
Ukuminyana 1.718
I-Melting Point 74 °C
I-Boling Point 288℃
I-Flash Point 128℃
Ukuncibilika I-Chloroform (Kancane), i-Methanol (Kancane)
I-Vapor Presure 0.000626mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Okuphuzi Okuphuzi ukuya ku-Pale Beige
pKa 4.13±0.10(Okubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, 2-8°C

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ubungozi Nokuphepha

Amakhodi Engozi 34 - Ibangela ukusha
Incazelo Yokuphepha 36/37/39 - Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​nokuvikela iso/ubuso.
Ama-ID e-UN 3261
Ikhodi ye-HS 29161900
I-Hazard Class 8
Iqembu Lokupakisha III

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

I-4-bromocoumaric acid iyinhlanganisela ephilayo. Nasi isingeniso esifushane sezakhiwo zayo, ukusetshenziswa, izindlela zokukhiqiza, nolwazi lokuphepha:

imvelo:
-Ukubukeka: I-4-bromocoumaric acid iyi-crystalline emhlophe kuya kokuphuzi okuphuzi okuqinile.
-Ukuncibilika: Ingancibilika kuzincibilikisi ezifana namanzi, i-ethanol, ne-ether.
-Ukuzinza: Izinzile uma kuqhathaniswa nezinga lokushisa legumbi, kodwa lingabola lapho kushisa.

Inhloso:
- Ucwaningo lwamakhemikhali: Luphinde lusetshenziswe njenge-catalyst ye-organic synthesis reactions.
-Ezolimo: I-4-bromocoumaric acid inezinhlelo zokusebenza ezithile kubalawuli bokukhula kwezitshalo.

Indlela yokukhiqiza:
-Indlela evamile ukuyithola ngokuphendula i-crotonic acid nge-ferrous bromide. Ukusabela kufanele kwenziwe ku-solvent efanele futhi ezingeni lokushisa elifanele.

Ulwazi lokuphepha:
-4-bromocoumaric acid iyikhemikhali futhi kufanele isetshenziswe ngokuqapha.
-Ngesikhathi sokusebenza, izinto zokuzivikela ezifanele ezifana namagilavu ​​aselabhorethri, izibuko, namajazi aselabhorethri kufanele kugqokwe.
-Gwema ukuthintana ngqo nesikhumba, amehlo, nemigudu yokuphefumula.
-Uma ugcina, i-4-bromocoumaric acid kufanele igcinwe esitsheni esivaliwe futhi ibekwe endaweni epholile, eyomile, kude nemithombo yomlilo nezinto ezivuthayo.


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