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4-Fluoro-2-nitrobenzoic acid (CAS # 394-01-4)

Chemical Property:

Molecular Formula C7H4FNO4
Molar Mass 185.11 Nws
Qhov ntom 1.568 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 140-145 ° C (lit.)
Boling Point 343.8 ± 27.0 ° C (Tshaj tawm)
Flash Point 161.7°C dej
Solubility Soluble hauv Methanol
Vapor Siab 2.63E-05mmHg ntawm 25 ° C
Qhov tshwm sim Yellow crystalline hmoov
Xim Dawb rau lub teeb daj
pKa 2.14 ± 0.25 (Tshaj tawm)
Kev cia khoom Muab kaw rau hauv qhuav, Chav Kub
Refractive Index 1.588 ib
MDL PAB 00024300

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij.
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.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S37 - Hnav cov hnab looj tes tsim nyog.
WGK Germany 3
HS Code 291639 0
Hazard Class IRRITANT

 

Taw qhia

2-nitro-4-fluorobenzoic acid yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:

 

Zoo:

- Cov tsos mob: 2-nitro-4-fluorobenzoic acid yog xim tsis muaj xim lossis daj crystalline khoom.

- Solubility: soluble nyob rau hauv qee cov organic solvents xws li ethanol thiab methylene chloride, me ntsis soluble hauv dej.

 

Siv:

- 2-Nitro-4-fluorobenzoic acid feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis rau cov synthesis ntawm lwm cov tebchaw.

 

Txoj kev:

- Kev npaj ntawm 2-nitro-4-fluorobenzoic acid feem ntau yog tau los ntawm nitrification. Ib txoj kev ua tau yog los ua 2-bromo-4-fluorobenzoic acid nrog nitric acid. Cov tshuaj tiv thaiv yuav tsum tau ua ke nrog cov tshuaj tiv thaiv tsim nyog thiab cov catalysts.

 

Cov ntaub ntawv kev nyab xeeb:

- 2-Nitro-4-fluorobenzoic acid yog cov organic compound uas muaj tshuaj lom thiab khaus khaus. Kev raug los yog nqus tau cov ntsiab lus siab ntawm cov tebchaw tuaj yeem tsim kev puas tsuaj rau kev noj qab haus huv.

- Kev ntsuas kev nyab xeeb tsim nyog yuav tsum tau ua thaum tuav, khaws cia thiab tuav, suav nrog cov hnab looj tes tiv thaiv thiab tsom iav.

- Tsis txhob sib cuag nrog cov neeg muaj zog oxidizing thiab cov khoom siv hluav taws xob tiv thaiv hluav taws los yog tawg.

 


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  • Tom ntej:

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