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2-Chloro-5-methyl-3-nitropyridine (CAS # 23056-40-8)

Chemical Property:

Molecular Formula C6H5ClN2O2
Molar Mass 172.57 Nws
Qhov ntom 1.406 ± 0.06 g / cm3 (Kev kwv yees)
Melting Point 45-50 ° C
Boling Point 290.8 ± 35.0 ° C (Predicted)
Flash Point 129.7°C dej
Vapor Siab 0.00353mmHg ntawm 25 ° C
Qhov tshwm sim Khoom
BRN 138198 ib
pKa -2.20 ± 0.10 (Kev kwv yees)
Kev cia khoom nyob rau hauv inert gas (nitrogen los yog Argon) ntawm 2-8 ° C
rhiab heev Hygroscopic
Refractive Index 1.575 ib
MDL PAB 02070020

Product Detail

Khoom cim npe

Risk Codes R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R21/22 - Ua phem rau ntawm daim tawv nqaij thiab yog tias nqos.
R41 - Riam phom loj rau qhov muag
R37/38 - Kab mob ua pa thiab tawv nqaij.
R22 - Ua phem yog tias nqos
Kev nyab xeeb piav qhia S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
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.
S39 - Hnav qhov muag / ntsej muag tiv thaiv.
UN IDs 2811 ib
WGK Germany 3
HS Code 293339 0
Kev Ceeb Toom Ua phem
Hazard Class 6.1
Packing Group III

 

Taw qhia

2-Chloro-5-methyl-3-nitropyridine yog cov organic compound. Nov yog cov ntsiab lus hais txog nws:

 

Zoo:

- Cov tsos mob: 2-chloro-5-methyl-3-nitropyridine yog daj crystalline lossis hmoov hmoov.

- Solubility: Tsawg solubility hauv dej thiab siab solubility hauv cov kuab tshuaj organic xws li ethers thiab cawv.

 

Siv:

- 2-Chloro-5-methyl-3-nitropyridine muaj ntau yam kev siv hauv kev lag luam tshuaj tua kab. Nws yog cov khoom siv raw rau fungicides thiab herbicides uas tuaj yeem siv los tswj cov kab mob thiab cov nroj tsuag ntawm ntau hom qoob loo.

- Nws kuj tseem siv tau los ua ib qho tseem ceeb nruab nrab ntawm cov organic synthesis rau kev sib txuas ntawm lwm cov tebchaw.

 

Txoj kev:

- Kev npaj ntawm 2-chloro-5-methyl-3-nitropyridine feem ntau ua raws cov tshuaj synthesis. Txoj kev npaj tshwj xeeb yuav suav nrog cov tshuaj tiv thaiv ntawm 2-chloro-5-methylpyridine nrog nitric acid, lossis lwm txoj hauv kev tsim cov synthesis raws li xav tau.

 

Cov ntaub ntawv kev nyab xeeb:

- 2-Chloro-5-methyl-3-nitropyridine yog cov tshuaj lom thiab yuav tsum tau siv raws li cov txheej txheem kev nyab xeeb uas cuam tshuam.

- Tsis txhob nqus pa, nqos, thiab tiv nrog daim tawv nqaij. Thaum sib cuag nrog daim tawv nqaij, ntxuav tam sim nrog dej thiab xab npum. Yog tias nqus tau los yog nqus tau, nrhiav kev kho mob sai li sai tau.

- Thaum khaws cia thiab tuav, nws raug cais tawm los ntawm lwm yam tshuaj thiab lub ntim ntim tau sau kom raug thiab kaw.


  • Yav dhau los:
  • Tom ntej:

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