tsamba_banner

mankhwala

2 5-bis(trifluoromethyl)benzoic acid (CAS# 42580-42-7)

Chemical Property:

Molecular Formula C9H4F6O2
Molar Misa 258.12
Kuchulukana 1.527±0.06 g/cm3(Zonenedweratu)
Melting Point 78-80°C (kuyatsa)
Boling Point 248.5±40.0 °C(Zonenedweratu)
Pophulikira 104.1°C
Kuthamanga kwa Vapor 0.0128mmHg pa 25°C
pKa 2.80±0.36(Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index 1.424
MDL Mtengo wa MFCD00013249

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
WGK Germany 3
HS kodi 29163990
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2,5-bis(trifluoromethyl)benzoic acid ndi organic pawiri ndi mankhwala chilinganizo C9H4F6O2. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, kukonzekera ndi chitetezo:

 

Chilengedwe:

- 2,5-bis(trifluoromethyl)benzoic acid ndi crystalline wachikasu wotuwa kapena olimba.

- Pafupifupi osasungunuka m'madzi kutentha kwa firiji, koma amasungunuka mu zosungunulira za organic monga ether ndi dichloromethane.

-Imakhala ndi fungo lamphamvu komanso lopsa mtima.

 

Gwiritsani ntchito:

- 2,5-bis(trifluoromethyl)benzoic acid ndi reagent yomwe imagwiritsidwa ntchito popanga organic synthesis, yomwe ingagwiritsidwe ntchito popanga zinthu monga mankhwala, utoto ndi zinthu.

- Itha kugwiritsidwa ntchito ngati chothandizira pakupanga kwa organic, monga machitidwe aromatization ndi machitidwe a carboxylation.

-Kuonjezera apo, amagwiritsidwanso ntchito pokonzekera zipangizo zamagetsi komanso kusinthika kwapamwamba kwa zinthu zowoneka bwino.

 

Njira Yokonzekera:

- 2,5-bis(trifluoromethyl)benzoic acid ikhoza kupangidwa pochita 2,5-difluoromethylbenzoic acid ndi trifluoromethylating reagent (monga trifluoromethyl chloride).

- Izi nthawi zambiri zimachitika pansi pa mlengalenga ndipo zimagwiritsa ntchito chothandizira pansi pa acidic kapena zofunikira.

 

Zambiri Zachitetezo:

- 2,5-bis(trifluoromethyl)benzoic acid imakhala yowononga kwambiri ndipo imatha kuwononga kwambiri khungu ndi maso.

-Valani zida zodzitetezera zoyenera monga magolovesi, magalasi ndi zovala zodzitetezera mukamagwira ntchito.

-Chigawochi chizisungidwa kutali ndi zinthu zoyaka moto ndi zoziziritsa kukhosi, ndi kuziyika mu chidebe chomata kuti zisakhudze mpweya ndi madzi.

- Njira zoyenera zotetezera ma laboratory a mankhwala ziyenera kutsatiridwa panthawi yogwiritsira ntchito ndi kusunga.


  • Zam'mbuyo:
  • Ena:

  • Lembani uthenga wanu apa ndikutumiza kwa ife