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sehlahisoa

Ethyl 4 4-difluorovalerate (CAS# 659-72-3)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C7H12F2O2
'Misa oa Molar 166.17
Botenya 1.1012
Boling Point 70-72 °C(Tobetsa: 27 Torr)
Flash point 55°C
BRN 1906601

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi R10 – E ka cha
R18 – Ha e sebelisoa e ka etsa motsoako oa mouoane oa moea o tukang kapa o phatlohang
R20/22 – E kotsi ka ho hema le haeba e koetsoe.
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho 26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
Li-ID tsa UN UN 3272 3 / PGIII
WGK Jeremane 3

 

Selelekela

Ethyl 4,4-difluoropentanoate, foromo ea lik'hemik'hale C6H8F2O2, ke motsoako oa lintho tse phelang. E latelang ke tlhaloso ea sebopeho sa eona, ts'ebeliso, tokiso le tlhaiso-leseling ea polokeho:

 

Tlhaho:

-Ponahalo: mokelikeli o se nang 'mala

- Boima ba molek'hule: 146.12g / mol

- Sebaka se belang: 142-143°C

- Boima ba 'mele: 1.119 g/mL

-Solubility: E qhibiliha ka har'a metsoako ea tlhaho, e sa qhibiliheng metsing

-Botsitso: e tsitsitse, empa e ka hlaseloa habonolo ke khanya, mocheso, li-oxidants le acid

 

Sebelisa:

-Ethyl 4,4-difluoropentanoate ke motsoako oa bohlokoa oa organic synthesis intermediate, o nang le mefuta e mengata ea likopo lefapheng la meriana, chefo e bolaeang likokoanyana le indasteri ea dae. E ka sebelisoa e le selelekela sa ho qaptjoa ha meriana, chefo e bolaeang likokoanyana le dae, hammoho le ho lokisa metsoako e meng ea manyolo.

- 4,4-difluoropentanoic acid ethyl ester e ka sebelisoa e le solvent, reagent esterification le catalyst in organic synthesis.

 

Mokhoa oa ho itokisa:

Tokisetso ea ethyl 4,4-difluoropentanoate hangata e etsoa ka mehato e latelang:

1. Ntlha ea pele, acid ea pentanoic e itšoara ka sulfur difluoride ho fumana 4,4-difluoropentanoic acid.

2.4,4-difluoropentanoic acid e ntan'o itšoara ka ethanol tlas'a maemo a acidic ho hlahisa ethyl 4,4-difluoropentanoate.

 

Lintlha tsa Tšireletseho:

- 4,4-difluoropentanoic acid ethyl ester ke mokelikeli o tukang, polokelo le ts'ebetso e lokela ho ela hloko ho qoba mollo le lelakabe le bulehileng.

-sebelisa lokela ho roala likhalase sireletsang le litlelafo, qoba ho kopana le letlalo le inhalation ea mouoane lona.

-Sebetsa sebakeng se nang le moea o motle ho qoba ho kena tsamaisong ea ho hema.

-Haeba u angoa ka phoso kapa u nkiloe ka phoso, hlatsoa hang-hang ka metsi a mangata 'me u batle ngaka hang-hang.


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  • E 'ngoe:

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