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sehlahisoa

3 4-Difluorobenzoic acid (CAS# 455-86-7)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C7H4F2O2
'Misa oa Molar 158.1
Botenya 1.3486 (khakanyo)
Melting Point 120-122°C(lebone)
Boling Point 257.0±20.0 °C(E boletsoeng esale pele)
Flash point 109.2°C
Ho qhibiliha ha Metsi ho qhibiliha ha nyane metsing a batang
Solubility Chloroform (Hanyenyane), Methanol (Hanyenyane)
Khatello ea Mouoane 0.00766mmHg ho 25°C
Ponahalo kristale e mosehla o khanyang
Mmala Bosoeu
BRN 2085848
pKa 3.80±0.10(E boletsoeng esale pele)
Boemo ba polokelo E tiisitsoe ka ho omme, Mocheso oa Kamore
MDL MFCD00011672

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi R22 – E kotsi ha e kwetswe
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S37/39 - Apara liatlana tse loketseng le tšireletso ea mahlo / sefahleho
Li-ID tsa UN UN 2811
WGK Jeremane 3
Khoutu ea HS 29163900

 

Selelekela

3,4-Difluorobenzoic acid. Se latelang ke selelekela sa sebopeho sa eona, ts'ebeliso, mokhoa oa tlhahiso le tlhaiso-leseling ea polokeho:

 

Boleng:

- 3,4-Difluorobenzoic acid ke kristale e tšoeu e tiileng e nang le monko o monate.

- E tiile mochesong oa kamore 'me e ka qhibiliha ka har'a lihlapolli tsa tlhaho tse kang joala, li-ether, joalo-joalo, 'me e na le ho qhibiliha ho fokolang metsing.

- 3,4-Difluorobenzoic acid e na le asiti mme e kopana le alkali ho etsa letsoai le ts'oanang.

 

Sebelisa:

- 3,4-difluorobenzoic acid e sebelisoa haholo e le ntho ea bohlokoa e bohareng le e tala ka har'a organic synthesis.

 

Mokhoa:

- Ho na le mekhoa e mengata ea ho lokisa 3,4-difluorobenzoic acid, e 'ngoe ea eona e sebelisoang hangata ke fluorinating fluorinated acid.

- Mokhoa o ikhethileng oa ho itokisa o kenyelletsa khetho ea sesebelisoa sa fluorinating le taolo ea maemo a karabelo, li-fluorinating agents tse tloaelehileng ke hydrogen fluoride, sulfur polyfluoride, joalo-joalo.

 

Lintlha tsa Tšireletseho:

- 3,4-Difluorobenzoic acid ke k'hemik'hale 'me e lokela ho lateloa ho latela mekhoa e nepahetseng ea ts'ireletso le lisebelisoa tse loketseng tsa ts'ireletso ea lik'hemik'hale.

- E ka 'na ea e-ba le phello e halefisang mahlong, letlalong le pampiring ea ho hema 'me e lokela ho hlatsuoa hang ka mor'a hore e kopane.

- Nakong ea phekolo, ho kopana le li-oxidants tse matla le li-acid tse matla ho lokela ho qojoa ho thibela liketso tse kotsi.

- 3,4-Difluorobenzoic acid e lokela ho bolokoa sebakeng se phodileng, se omeletseng, se nang le moea o motle, hole le mehloli ea mollo le mocheso.


  • E fetileng:
  • E 'ngoe:

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