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3 4-DIBROMOPYRIDINE (CAS # 13534-90-2)

Umutungo wa Shimi:

Inzira ya molekulari C5H3Br2N
Misa 236.89
Ubucucike 2.059 ± 0.06 g / cm3 (Biteganijwe)
Ingingo yo gushonga 71-72 C.
Ingingo ya Boling 239.9 ± 20.0 ° C (Biteganijwe)
Flash point 98.9 ° C.
Umwuka 0.0605mmHg kuri 25 ° C.
Kugaragara Birakomeye
Ibara Umweru kugeza Umuhondo Kuri Orange
pKa 2.06 ± 0.10 (Biteganijwe)
Imiterere y'Ububiko Komeza ahantu hijimye, Gufunzwe byumye, Ubushyuhe bwicyumba
Ironderero 1.607
MDL MFCD00234016

Ibicuruzwa birambuye

Ibicuruzwa

Ibyago n'umutekano

Ibimenyetso bya Hazard Xi - Kurakara
Kode y'ingaruka 36/37/38 - Kurakaza amaso, sisitemu yubuhumekero nuruhu.
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 - Kwambara imyenda ikingira.
Icyiciro cya Hazard IRRITANT

Intangiriro

3,4-Dibromopyridine (CAS # 13534-90-2) ni ifumbire mvaruganda hamwe na chimique C5H3Br2N. Ibikurikira nubusobanuro bwimiterere yabyo, imikoreshereze, imiterere namakuru yumutekano:

Kamere:
3,4-Dibromopyridine ni ibara ritagira ibara ryumuhondo ryijimye kandi rifite impumuro nziza. Irashobora gushonga mumashanyarazi nka Ethanol, chloroform na dimethylformamide mubushyuhe busanzwe. Irerekana hejuru cyane gushonga no guteka.

Koresha:
3,4-Dibromopyridine ifite akamaro gakomeye muri synthesis. Irashobora gukoreshwa nka catalizator cyangwa reaction hagati kugirango igire uruhare muburyo butandukanye bwibinyabuzima, nka reaction ya Suzuki, reaction ya C- C, nibindi. Byongeye kandi, irashobora no gukoreshwa mugutegura ibiyobyabwenge, amarangi na polymer.

Uburyo bwo Gutegura:
Uburyo bwo gutegura 3,4-dibromopyridine biroroshye. Uburyo bumwe busanzwe ni ugukora pyridine hamwe na bromine mugihe gikwiye kugirango habeho 3,4-dibromopyridine. Igisubizo kirashobora gukorwa mubushyuhe busanzwe cyangwa munsi yubushyuhe.

Amakuru yumutekano:
Umutekano urakenewe mugihe ukoresha 3,4-dibromopyridine. Irashobora gutera uburakari cyangwa kwangiza amaso, uruhu, na sisitemu yubuhumekero. Kubwibyo, ibikoresho bikwiye byo kurinda nkibirahure byumutekano, gants hamwe n imyenda ikingira bigomba kwambara mugihe cyo gukora. Irinde guhumeka umwuka wacyo, kandi nibyiza gukorera ahantu hafite umwuka mwiza. Mugihe cyo guta imyanda, kurikiza amabwiriza yaho no kujugunya neza. Niba ufite ibibazo byubuzima cyangwa umutekano, ugomba guhita witabaza umunyamwuga.

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