asia_oju-iwe

ọja

2 5-Dichloronicotinic acid (CAS# 59782-85-3)

Ohun-ini Kemikali:

Fọọmu Molecular C6H3Cl2NO2
Molar Mass 192
iwuwo 1.61
Ojuami Iyo 154-155°C
Ojuami Boling 323.7± 37.0 °C (Asọtẹlẹ)
Oju filaṣi 149.579°C
Solubility tiotuka ni kẹmika
Vapor Presure 0mmHg ni 25°C
Ifarahan funfun lulú
Àwọ̀ Funfun
pKa 1.63± 0.25 (Asọtẹlẹ)
Ibi ipamọ Ipo Afẹfẹ inert,Iwọn otutu yara
Atọka Refractive 1.606
MDL MFCD01861979
Ti ara ati Kemikali Properties Yiyo ojuami 154-155°C

Alaye ọja

ọja Tags

Awọn aami ewu Xn – ipalara
Awọn koodu ewu 22 – Ipalara ti o ba gbe
WGK Germany 3
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

2,5-Dichloronicotinic acid jẹ agbo-ara Organic pẹlu agbekalẹ kemikali C6H3Cl2NO2, eyiti o nlo iṣeto eekanna atanpako imidazole kan ninu igbekalẹ awọ imidazolyl rẹ. Awọn atẹle jẹ diẹ ninu awọn ohun-ini akọkọ ti 2,5-Dichloronicotinic acid:

 

Iseda:

-Irisi: Funfun to bia ofeefee kirisita ri to.

-Iwọn aaye: to 207-208 ° C.

-Solubility: Diẹ tiotuka ninu omi, tiotuka ni awọn nkan ti o nfo Organic gẹgẹbi oti, ether, chloroform, ati bẹbẹ lọ.

-Iduroṣinṣin: jo idurosinsin ni yara otutu.

 

Lo:

- 2,5-Dichloronicotinic acid le ṣee lo bi agbedemeji ni iṣelọpọ Organic ati pe o jẹ lilo pupọ ni igbaradi ti awọn orisirisi agbo ogun Organic ati awọn ipakokoropaeku.

-O tun le ṣee lo bi ligand ti o ni awọn ions irin fun iṣelọpọ ti awọn eka irin iyipada.

 

Igbaradi:

-2,5-Dichloronicotinic acid le ti wa ni pese sile nipa chlorinating nicotinic acid. Ọna kan pato le jẹ lati fesi nicotinic acid pẹlu thionyl kiloraidi ni iwọn otutu ti o ga, atẹle nipa itutu agbaiye lati gba ọja naa.

 

Alaye Abo:

- 2,5-Dichloronicotinic acid ni iwọn kan ti irritation, nitorinaa o nilo lati fiyesi si aabo lakoko iṣẹ.

-Majele ati eewu ti 2,5-Dichloronicotinic acid nilo iwadii ijinle ati igbelewọn lati pinnu aabo ati awọn eewu rẹ pato. Nitorinaa, ni iṣẹ ati lilo, o gba ọ niyanju lati tẹle awọn ilana aabo ti o yẹ ati mu awọn ọna aabo ti o yẹ.


  • Ti tẹlẹ:
  • Itele:

  • Kọ ifiranṣẹ rẹ nibi ki o si fi si wa