asia_oju-iwe

ọja

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

Ohun-ini Kemikali:

Fọọmu Molecular C5H3Cl2N
Molar Mass 147.99
iwuwo 1.39
Ojuami Iyo 65-67°C (tan.)
Ojuami Boling 178 °C
Oju filaṣi >110°C
Solubility Chloroform, Ethyl Acetate
Vapor Presure 1.79E-14mmHg ni 25°C
Ifarahan Lulú
Àwọ̀ Funfun to Pa-White Low Yo
BRN Ọdun 1973
pKa 0.32± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Afẹfẹ inert,Iwọn otutu yara
Atọka Refractive 1.777
MDL MFCD00006376
Ti ara ati Kemikali Properties funfun lulú

Alaye ọja

ọja Tags

Awọn koodu ewu R22 – Ipalara ti o ba gbe
R37 / 38 - Irritating si eto atẹgun ati awọ ara.
R41 - Ewu ti pataki ibaje si oju
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S39 - Wọ oju / aabo oju.
S36 - Wọ aṣọ aabo to dara.
UN ID UN2811
WGK Germany 3
RTECS US8575000
HS koodu 29333990
Akọsilẹ ewu Irritant
Kíláàsì ewu 6.1

 

Ọrọ Iṣaaju

3,5-Dichloropyridine jẹ agbo-ara Organic. O jẹ omi ti ko ni awọ pẹlu õrùn õrùn to lagbara.

3,5-dichloropyridine tun ṣe ni imurasilẹ pẹlu iṣuu soda hydroxide lati ṣe gaasi hydrogen kiloraidi majele.

 

3,5-Dichloropyridine ni ọpọlọpọ awọn ohun elo ninu ilana iṣelọpọ Organic. O le ṣee lo bi oluranlowo idinku pataki fun iṣelọpọ ti awọn ketones.

 

Awọn ọna pupọ lo wa lati mura 3,5-dichloropyridine. Ọna ti o wọpọ ni a gba nipasẹ didaṣe pyridine pẹlu gaasi chlorine. Awọn igbesẹ kan pato pẹlu: ifihan gaasi chlorine sinu ojutu ti o ni pyridine labẹ awọn ipo ifasẹyin ti o yẹ. Lẹhin iṣesi naa, ọja 3,5-dichloropyridine jẹ mimọ nipasẹ distillation.

 

Nigbati o ba nlo 3,5-dichloropyridine, awọn ilana ṣiṣe aabo ti o baamu yẹ ki o tẹle ati ohun elo aabo yẹ ki o wọ. Yago fun olubasọrọ pẹlu awọ ara, oju, ati awọn membran mucous. O yẹ ki o ṣe itọju lati ṣe idiwọ lati fesi pẹlu awọn kemikali miiran lakoko mimu ati ibi ipamọ lati yago fun awọn ewu. Lakoko ibi ipamọ, 3,5-dichloropyridine yẹ ki o wa ni ipamọ sinu apo ti afẹfẹ ki o gbe si ibi ti o tutu, ti o gbẹ.


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