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35-difluorobenzoic acid (CAS # 455-40-3)

Ngwongwo kemịkalụ:

Usoro ihe omimi C7H4F2O2
Molar Mass 158.1
Njupụta 1.3486 (atụmatụ)
Ebe Na-agbaze 121-123 Celsius C (ọkụ)
Ebe Boling 243.2± 20.0 Celsius C (buru amụma)
Ebe mgbari 100.9°C
Solubility Chloroform (Soluble), methanol (obere)
Uzuoku nrịbama 0.0175mmHg na 25°C
Ọdịdị Ọcha dị ka ntụ ntụ
Agba Ọcha na-acha odo odo
BRN 1940680
pKa 3.52± 0.10 (buru amụma)
Ọnọdụ Nchekwa Emechiri ya na nkụ, Okpomọkụ ụlọ
MDL MFCD00010323
Njirimara anụ ahụ na kemịkalụ Ebe mgbaze 118-123°C

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Koodu ihe egwu 36/37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
WGK Germany 3
Koodu HS 29163990
Klas Hazard Iwe

 

Okwu mmalite

3,5-Difluorobenzoic acid bụ ngwakọta organic. Ndị a bụ mmalite nke akụrụngwa, ojiji, ụzọ nkwadebe na ozi nchekwa nke ogige a:

 

Ogo:

- 3,5-Difluorobenzoic acid bụ kristal na-enweghị agba ma ọ bụ ntụ ntụ ọcha.

- Ọ fọrọ nke nta ka ọ ghara ịsacha ya na mmiri n'ime ụlọ okpomọkụ, ma soluble na organic solvents dị ka ethanol, ether, wdg.

- Ngwakọta ahụ nwere isi ísì siri ike ma na-emebi emebi.

 

Jiri:

- 3,5-Difluorobenzoic acid na-bụ-eji dị ka ihe dị mkpa etiti na reagent na organic njikọ.

- Enwere ike iji ogige ahụ mee ihe na mmeghachi omume fluorination na mmeghachi omume njikọ nke ogige aromatic na mmeghachi omume njikọ organic.

 

Usoro:

- Enwere ike nweta usoro nkwadebe nke 3,5-difluorobenzoic acid site na mmeghachi omume nke benzoic acid na hydrofluoric acid n'ihu onye na-eme ihe.

- N'okpuru ọnọdụ mmeghachi omume, a na-agwakọta benzoic acid na hydrofluoric acid ma na-ekpo ọkụ, a na-emekwa mmeghachi omume n'okpuru ọrụ nke onye na-emepụta ihe na-emepụta 3,5-difluorobenzoic acid.

 

Ozi nchekwa:

- 3,5-Difluorobenzoic acid bụ ihe na-akpasu iwe nke nwere ike ime ka mgbakasị ahụ na kọntaktị na akpụkpọ ahụ anya, na a ghaghị iyi ihe nchebe onwe onye kwesịrị ekwesị.

- Ekwesịrị iji nlezianya zere ịkpọtụrụ ndị ọrụ oxidizing siri ike na ihe alkaline siri ike mgbe ị na-eji ma ọ bụ na-echekwa ihe a iji gbochie mmeghachi omume dị ize ndụ.

- Zere imi oke uzuoku nke 3,5-difluorobenzoic acid, n'ihi na o nwere isi ísì.

 


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