page_banner

ibicuruzwa

3-Bromo-2-thiophenecarboxylic aside (CAS # 7311-64-0)

Umutungo wa Shimi:

Inzira ya molekulari C5H3BrO2S
Misa 207.05
Ubucucike 1.923 ± 0.06 g / cm3 (Biteganijwe)
Ingingo yo gushonga 197-201 ° C (lit.)
Ingingo ya Boling 318.0 ± 27.0 ° C (Biteganijwe)
Flash point 146.1 ° C.
Gukemura gushonga muri Methanol
Umwuka 0.000156mmHg kuri 25 ° C.
Kugaragara Umuhondo ukomeye
Ibara Umweru Kuri Hafi Yera
BRN 121585
pKa 3.09 ± 0.10 (Byahanuwe)
Imiterere y'Ububiko Komeza ahantu hijimye, Gufunzwe byumye, Ubushyuhe bwicyumba
MDL MFCD00052291

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xi - Kurakara
Kode y'ingaruka R43 - Birashobora gutera sensibilisation ukoresheje uruhu
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
Ibisobanuro byumutekano S36 / 37 - Wambare imyenda ikingira hamwe na gants.
S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso
S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
WGK Ubudage 3
Kode ya HS 29349990
Icyiciro cya Hazard IRRITANT

 

Intangiriro

Acide ni ifumbire mvaruganda hamwe na chimique C6H4BrO2S.

 

Kamere:

-Ibigaragara: aside ni umweru kugeza umuhondo ukomeye.

-Gukemuka: Gukemura muri chloroform, acetone na metani ya chlorine.

-Gushonga: hafi dogere selisiyusi 116-118.

 

Koresha:

-Amiside ikunze gukoreshwa nkintera yingirakamaro muri synthesis.

-Bishobora gukoreshwa mukubaka ibinyabuzima birimo thiophene impeta.

 

Uburyo bwo Gutegura: Hariho uburyo bwinshi bwogukora bwa

-anacid. Bumwe mu buryo bukunze gukoreshwa ni ugukoresha aside ya bromoacetike nkibikoresho fatizo, ukitwara na thiophene mugihe cya alkaline kugirango ubyare 3-bromothiophene, hanyuma ukore reaction ya karubonike mugihe cya acide.

 

Amakuru yumutekano:

-iside irashobora kurakaza amaso, uruhu hamwe na sisitemu yubuhumekero.

-Mu gihe cyo gukoresha, hagomba kwitonderwa kwirinda guhumeka umukungugu cyangwa guhura nuruhu n'amaso.

-Wambare ibikoresho bikingira birinda nka laboratoire ya laboratoire, amadarubindi n'ingabo zo mu maso mbere yo gukora.

-Mu gihe uhuye nuruhu cyangwa amaso, kwoza ako kanya n'amazi menshi hanyuma ushakire kwa muganga. Ingamba zambere zubutabazi zigomba gutangwa nibiba ngombwa.


  • Mbere:
  • Ibikurikira:

  • Andika ubutumwa bwawe hano hanyuma utwohereze