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ibicuruzwa

3 5-difluorobenzoic aside (CAS # 455-40-3)

Umutungo wa Shimi:

Inzira ya molekulari C7H4F2O2
Misa 158.1
Ubucucike 1.3486 (igereranya)
Ingingo yo gushonga 121-123 ° C (lit.)
Ingingo ya Boling 243.2 ± 20.0 ° C (Biteganijwe)
Flash point 100.9 ° C.
Gukemura Chloroform (Soluble), Methanol (Buhoro)
Umwuka 0.0175mmHg kuri 25 ° C.
Kugaragara Ifu isa n'umweru
Ibara Umweru kugeza Umuhondo
BRN 1940680
pKa 3.52 ± 0.10 (Byahanuwe)
Imiterere y'Ububiko Ikidodo cyumye, Ubushyuhe bwicyumba
MDL MFCD00010323
Ibintu bifatika na shimi Gushonga ingingo 118-123 ° C.

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xi - Kurakara
Kode y'ingaruka 36/37/38 - Kurakaza amaso, sisitemu yubuhumekero nuruhu.
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso
WGK Ubudage 3
Kode ya HS 29163990
Icyiciro cya Hazard IRRITANT

 

Intangiriro

3,5-Acide Difluorobenzoic ni ifumbire mvaruganda. Ibikurikira nintangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano yuru ruganda:

 

Ubwiza:

- 3,5-Difluorobenzoic aside ni kirisiti itagira ibara cyangwa ifu ya kirisiti yera.

- Ntibishobora gushonga mumazi mubushyuhe bwicyumba, ariko bigashonga mumashanyarazi kama nka Ethanol, ether, nibindi.

- Urusange rufite impumuro ikomeye kandi irabora.

 

Koresha:

- 3,5-Acide ya Difluorobenzoic ikoreshwa cyane cyane hagati yingirakamaro kandi reagent muri synthesis.

- Uruvange rushobora gukoreshwa muburyo bwa fluorination hamwe no guhuza reaction yimpumuro nziza muburyo bwa synthesis reaction.

 

Uburyo:

- Uburyo bwo gutegura aside 3,5-difluorobenzoic irashobora kuboneka mugukora aside ya benzoic na aside hydrofluoric imbere ya catalizator.

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Amakuru yumutekano:

- 3,5-Difluorobenzoic aside ni ibintu bitera uburakari bishobora gutera uburakari guhura nuruhu n'amaso, kandi ibikoresho bikwiye byo kurinda bigomba kwambara.

- Hagomba kwitonderwa kugirango wirinde guhura ningingo zikomeye za okiside hamwe n’ibintu bikomeye bya alkaline mugihe ukoresheje cyangwa ubitse iki kigo kugirango wirinde ingaruka mbi.

- Irinde guhumeka imyuka ikabije ya aside 3,5-difluorobenzoic, kuko ifite impumuro mbi.

 


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