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samfur

2 5-Difluorobenzoic acid (CAS# 2991-28-8)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C7H4F2O2
Molar Mass 158.1
Yawan yawa 1.3486 (ƙididdiga)
Matsayin narkewa 132-134 ° C (lit.)
Matsayin Boling 244.7 ± 20.0 °C (An annabta)
Wurin Flash 101.8°C
Ruwan Solubility Mara narkewa a cikin ruwa.
Solubility acetone: mai soluble25mg/ml, bayyananne, rawaya mara nauyi
Tashin Turi 0.016mmHg a 25°C
Bayyanar Farar crystalline foda
Launi Fari
BRN 973351
pKa 2.93± 0.10 (An annabta)
Yanayin Ajiya Rufewa a bushe, Zazzabin ɗaki
MDL Saukewa: MFCD00002410
Abubuwan Jiki da Sinadarai Farin foda

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari 36/37/38 - Hannun idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
WGK Jamus 3
HS Code 29163990
Matsayin Hazard HAUSHI

 

Gabatarwa

2,5-Difluorobenzoic acid.

Solubility: 2,5-difluorobenzoic acid yana da ƙananan solubility a cikin ruwa da kuma mai kyau solubility a cikin kwayoyin kaushi kamar ethanol da dimethylformamide.

Acid: Abu ne na acidic wanda ke amsawa don samar da gishiri da esters daidai.

 

2,5-Difluorobenzoic acid yana da wasu muhimman aikace-aikace a cikin masana'antu, ciki har da:

 

Matsakaicin magungunan kashe qwari: ana iya amfani da su azaman tsaka-tsaki wajen kera wasu magungunan kashe qwari, irin su oxalic acid herbicides.

Dye synthesis: Danyen abu ne wanda za'a iya amfani dashi don haɗa wani takamaiman rini.

 

Hanyar shirya 2,5-difluorobenzoic acid ana iya aiwatar da shi ta hanyar matakai masu zuwa:

 

Na farko, ana maye gurbin kwayoyin hydrogen guda biyu a cikin benzoic acid da kwayoyin fluorine ta hanyar amfani da wakili na fluorine don samun 2,5-difluorobenzoic acid.

 

Lokacin amfani ko sarrafa 2,5-difluorobenzoic acid, ya kamata a yi taka tsantsan don kula da bayanan aminci masu zuwa:

 

Kauce wa shakarwa: Tsawaita bayyanarwa ko shakar 2,5-difluorobenzoic acid foda ko tururi ya kamata a kauce masa don kauce wa lalacewa na numfashi da huhu.

Ido da fata: kurkure nan da nan da ruwa mai yawa idan kun hadu da idanu ko fata.

Amfani da kayan kariya na sirri: Ya kamata a sa safar hannu, tabarau, da tufafin kariya da suka dace lokacin sarrafa 2,5-difluorobenzoic acid.

Tsananin Ajiye: 2,5-difluorobenzoic acid ya kamata a adana shi a cikin busasshiyar wuri mai kyau, kauce wa haɗuwa da abubuwa masu ƙonewa, kuma daga wuta.

 


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