asia_oju-iwe

ọja

3 4 5-Trichloropyridine (CAS# 33216-52-3)

Ohun-ini Kemikali:

Fọọmu Molecular C5H2Cl3N
Molar Mass 182.44
iwuwo 1.539±0.06 g/cm3(Asọtẹlẹ)
Ojuami Iyo 75-77 °C (oṣu kejila) (tan.)
Ojuami Boling 213-215°C
Oju filaṣi 213-215°C
Solubility tiotuka ni kẹmika
Vapor Presure 0.29mmHg ni 25°C
Ifarahan ri to
Àwọ̀ Funfun to Fere funfun
BRN Ọdun 120542
pKa -0.08± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Tọju ni aaye dudu, Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive 1.572
MDL MFCD00051685

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Awọn koodu ewu R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
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.
S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S36 - Wọ aṣọ aabo to dara.
WGK Germany 3
HS koodu 29333990
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

3,4,5-Trichloropyridine jẹ agbo-ara Organic. Atẹle jẹ ifihan si iseda rẹ, lilo, ọna igbaradi ati alaye aabo:

 

Didara:

- Irisi: 3,4,5-Trichloropyridine jẹ aila-awọ si omi alawọ ofeefee.

- Solubility: O jẹ tiotuka ni diẹ ninu awọn olomi Organic gẹgẹbi chloroform, benzene, ati kẹmika.

- 3,4,5-Trichloropyridine jẹ agbo ipilẹ to lagbara.

 

Lo:

- 3,4,5-Trichloropyridine ni igbagbogbo lo bi ayase ni iṣelọpọ Organic, fun apẹẹrẹ ni chlorination ati awọn aati aromatization.

- O tun le ṣee lo bi agbedemeji sintetiki ati afikun fun awọn ohun elo polima.

 

Ọna:

- Ọna igbaradi ti 3,4,5-trichloropyridine nigbagbogbo nlo iṣesi ti chloropyridine ati gaasi chlorine. Awọn igbesẹ kan pato jẹ itutu agbapọ ifaseyin ati fesi labẹ awọn ipo ti o kun fun chlorine fun akoko kan. Lẹhinna, ọja naa ti di mimọ nipasẹ distillation.

 

Alaye Abo:

- 3,4,5-Trichloropyridine jẹ irritating ati ibajẹ, olubasọrọ pẹlu awọ ara ati oju yẹ ki o yago fun, ati awọn ibọwọ aabo ati awọn oju oju yẹ ki o wọ.

- Nigbati o ba lo tabi ti o fipamọ, o yẹ ki o wa ni ipamọ kuro ni awọn orisun ina ati awọn iwọn otutu giga lati yago fun flammability rẹ.

- Nigbati o ba nlo 3,4,5-trichloropyridine, san ifojusi si awọn ipo atẹgun ti o dara lati yago fun ifasimu gaasi.

- Tẹle awọn ilana ti o yẹ ati awọn itọsona ailewu nigba mimu tabi sisọnu egbin.

 


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