paj_banner

khoom

2 6-Dichloronicotinic acid (CAS # 38496-18-3)

Chemical Property:

Molecular Formula C6H3Cl2NO2
Molar Mass 192
Qhov ntom 1.612 ± 0.06 g / cm3 (Kev kwv yees)
Melting Point 140-143 ° C (lit.)
Boling Point 351.2 ± 37.0 ° C (Tshaj tawm)
Flash Point > 230 ° F
Solubility DMSO, Methanol
Vapor Siab 1.56E-05mmHg ntawm 25 ° C
Qhov tshwm sim Dawb crystalline hmoov
Xim Tawm-dawb los yog daj daj
BRN 136114 ib
pKa 1.77 ± 0.28 (Tshaj tawm)
Kev cia khoom Khaws nyob rau hauv qhov chaw tsaus, kaw hauv qhuav, Chav Kub
Refractive Index 1.605 Nws
MDL TIAB SA 00075583
Physical thiab Chemical Properties Off-dawb crystals
Siv Ib feem ntawm kev npaj ntawm pyridine derivatives.

Product Detail

Khoom cim npe

Risk Codes R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R22 - Ua phem yog tias nqos
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 3
HS Code 293339 0
Hazard Class IRRITANT

 

Taw qhia

2,6-Dichloronicotinic acid yog cov organic compound. Cov hauv qab no yog cov lus qhia luv luv rau cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2,6-dichloronicotinic acid:

 

Zoo:

- 2,6-Dichloronicotinic acid yog cov xim tsis muaj kob crystalline uas yog soluble hauv cov kuab tshuaj organic xws li cawv thiab ethers.

- Nws muaj pungent tsw thiab muaj zog corrosive.

- Decomposes ntawm qhov kub thiab txias, tso cov pa tshuaj lom chlorine.

 

Siv:

- 2,6-Dichloronicotinic acid tuaj yeem siv los ua qhov nruab nrab hauv kev tsim cov tshuaj tua kab thiab tshuaj tua kab.

- Nws kuj tuaj yeem siv rau cov tshuaj chlorination hauv cov organic synthesis, xws li kev npaj ntawm lwm cov tshuaj organochlorine.

 

Txoj kev:

- 2,6-Dichloronicotinic acid feem ntau yog npaj los ntawm reacting nicotinic acid nrog thionyl chloride los yog phosphorus trichloride.

 

Cov ntaub ntawv kev nyab xeeb:

- 2,6-Dichloronicotinic acid yog corrosive thiab tuaj yeem ua rau kub hnyiab thiab khaus ntawm daim tawv nqaij thiab qhov muag. Kev sib cuag ncaj qha yuav tsum zam.

- Thaum siv lossis khaws cia 2,6-dichloronicotin, kev ntsuas kev nyab xeeb tsim nyog xws li hnav hnab looj tes tiv thaiv, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum ua raws.

- Thaum tuav 2,6-dichloronicotinic acid, ib puag ncig zoo-ventilated yuav tsum xyuas kom tsis txhob nqus nws cov vapors lossis hmoov av.

- 2,6-dichloronicotinic acid tuaj yeem tsim teeb meem tshwm sim thaum sib xyaw nrog lwm cov tshuaj, thiab yuav tsum tau saib xyuas kom tsis txhob sib xyaw.

 


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb