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3-Bromo-5-(trifluoromethyl) benzoic acid (CAS # 328-67-6)

Chemical Property:

Molecular Formula C8H4BrF3O2
Molar Mass 269.02 Nws
Qhov ntom 1.773 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 132.3-132.8
Boling Point 284.3 ± 40.0 ° C (Tshaj tawm)
Flash Point 125.755 ° C
Vapor Siab 0.001mmHg ntawm 25 ° C
Qhov tshwm sim Khoom
Xim Dawb rau lub teeb daj
pKa 3.38 ± 0.10 (Kev kwv yees)
Kev cia khoom Muab kaw rau hauv qhuav, Chav Kub
Refractive Index 1.517 Nws

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 - Hnav khaub ncaws tiv thaiv zoo.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
HS Code 291639 0
Hazard Class IRRITANT

 

Taw qhia

3-Bromo-5-(trifluoromethyl) benzoic acid yog cov organic compound. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:

 

Xwm:

-Zoo: Dawb crystalline khoom

Cov mis mos molecular: C8H4BrF3O2

Molecular Luj: 269.01g / mol

- Melting Point: 156-158 ℃

 

Siv:

- 3-Bromo-5-(trifluoromethyl) benzic acid yog dav siv nyob rau hauv cov organic synthesis raws li ib tug reagent thiab nruab nrab.

-Siv raws li ib tug hluavtaws intermediate rau dyes thiab pigments.

-Siv los npaj lwm cov organic tebchaw, xws li fungicides, tshuaj, thiab lwm yam.

 

Txoj kev:

Kev npaj ntawm 3-Bromo-5-(trifluoromethyl) benzoic acid tuaj yeem ua tiav los ntawm cov kauj ruam hauv qab no:

1. benzoic acid reacts nrog trifluoromethyl magnesium bromide los tsim 3-Bromo-5-(trifluoromethyl) benzoic acid magnesium ntsev.

2. Lub generated magnesium ntsev reacts nrog ib tug acid kom tso 3-Bromo-5-(trifluoromethyl) benzoic acid.

 

Cov ntaub ntawv kev nyab xeeb:

- 3-Bromo-5-(trifluoromethyl) benzoic acid yuav tsum tau ua nyob rau hauv qhov chaw uas muaj cua zoo kom tsis txhob nqus los yog sib cuag ntawm daim tawv nqaij.

-nyob rau hauv kev siv thiab khaws cia, yuav tsum tau xyuam xim rau cov hluav taws kub thiab tawg-pov thawj ntsuas.

-Cov tshuaj no yog cov organic thiab tej zaum yuav muaj kev hem thawj rau ib puag ncig. Cov khib nyiab yuav tsum tau ua tib zoo saib xyuas.

- Ua raws li cov kev coj ua kev nyab xeeb tshuaj lom neeg thaum tuav thiab khaws cia.


  • Yav dhau los:
  • Tom ntej:

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