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ibicuruzwa

3 5-Dichloropyridine (CAS # 2457-47-8)

Umutungo wa Shimi:

Inzira ya molekulari C5H3Cl2N
Misa 147.99
Ubucucike 1.39
Ingingo yo gushonga 65-67 ° C (lit.)
Ingingo ya Boling 178 ° C.
Flash point > 110 ° C.
Gukemura Chloroform, Ethyl Acetate
Umwuka 1.79E-14mmHg kuri 25 ° C.
Kugaragara Ifu
Ibara Umweru Kuri Off-Yera Gushonga
BRN 1973
pKa 0.32 ± 0.10 (Byahanuwe)
Imiterere y'Ububiko Ikirere cyimbere, Ubushyuhe bwicyumba
Ironderero 1.777
MDL MFCD00006376
Ibintu bifatika na shimi Ifu yera

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R22 - Byangiza niba byamizwe
R37 / 38 - Kurakaza sisitemu yubuhumekero nuruhu.
R41 - Ibyago byo kwangirika cyane kumaso
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S39 - Kwambara ijisho / kurinda amaso.
S36 - Kwambara imyenda ikingira.
Indangamuntu ya Loni UN2811
WGK Ubudage 3
RTECS US8575000
Kode ya HS 29333990
Icyitonderwa Kurakara
Icyiciro cya Hazard 6.1

 

Intangiriro

3,5-Dichloropyridine ni ifumbire mvaruganda. Nibintu bitagira ibara bifite impumuro nziza.

3,5-dichloropyridine nayo ihita ifata hydroxide ya sodium kugirango ikore gaze ya hydrogène ya chloride.

 

3,5-Dichloropyridine ifite uburyo bwinshi bwo gukoresha mubikorwa bya synthesis. Irashobora gukoreshwa nkibintu byingenzi bigabanuka kuri synthesis ya ketone.

 

Hariho uburyo bwinshi bwo gutegura 3,5-dichloropyridine. Uburyo busanzwe buboneka mugukora pyridine hamwe na gaze ya chlorine. Intambwe zihariye zirimo: kwinjiza gaze ya chlorine mugisubizo kirimo pyridine mugihe gikwiye. Nyuma yo kubyitwaramo, ibicuruzwa 3,5-dichloropyridine byahanaguwe no kubitandukanya.

 

Iyo ukoresheje 3,5-dichloropyridine, hagomba gukurikizwa uburyo bukoreshwa bwumutekano kandi hagomba kwambara ibikoresho byo gukingira. Irinde guhura nuruhu, amaso, nibibyimba. Hagomba kwitonderwa kugirango wirinde gufata indi miti mugihe cyo kuyitunganya no kubika kugirango wirinde ingaruka. Mugihe cyo kubika, 3,5-dichloropyridine igomba kubikwa mu kintu cyumuyaga kandi igashyirwa ahantu hakonje, humye.


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