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34-Difluorobenzoic acid (CAS # 455-86-7)

Ngwongwo kemịkalụ:

Usoro ihe omimi C7H4F2O2
Molar Mass 158.1
Njupụta 1.3486 (atụmatụ)
Ebe Na-agbaze 120-122C (ọkụ)
Ebe Boling 257.0± 20.0 Celsius C (buru amụma)
Ebe mgbari 109.2C
Mmiri Solubility ubé soluble na mmiri oyi
Solubility Chloroform (obere), methanol (obere)
Uzuoku nrịbama 0.00766mmHg na 25°C
Ọdịdị kristal edo edo na-egbuke egbuke
Agba Ọcha
BRN 2085848
pKa 3.80± 0.10 (buru amụma)
Ọnọdụ Nchekwa Emechiri ya na nkụ, Okpomọkụ ụlọ
MDL MFCD00011672

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xn - na-emerụ ahụ
Koodu ihe egwu R22 - na-emerụ ma ọ bụrụ na iloro ya
R36 / 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
NJ UN UN 2811
WGK Germany 3
Koodu HS 29163900

 

Okwu mmalite

3,4-Difluorobenzoic acid. Ihe na-esonụ bụ mmalite nke ọdịdị ya, ojiji ya, usoro mmepụta ya na ozi nchekwa:

 

Ogo:

- 3,4-Difluorobenzoic acid bụ kristal ọcha siri ike nke nwere isi ísì.

- Ọ siri ike na ụlọ okpomọkụ ma nwee ike ịsacha ya na ihe ndị na-edozi ahụ dị ka alcohols, ethers, wdg, ma nwee oke mmiri na mmiri.

- 3,4-Difluorobenzoic acid bụ acidic ma na-emeghachi omume na alkali iji mepụta nnu kwekọrọ.

 

Jiri:

A na-eji 3,4-difluorobenzoic acid mee ihe dị ka ihe dị mkpa na etiti na akụrụngwa na njikọ organic.

 

Usoro:

- Enwere ọtụtụ ụzọ nkwadebe maka 3,4-difluorobenzoic acid, otu n'ime ha na-ejikarị fluorinated acid fluorinated.

- Usoro nkwadebe a kapịrị ọnụ gụnyere nhọrọ nke onye na-ahụ maka fluorinating na njikwa ọnọdụ mmeghachi omume, ndị na-eme fluorinating nkịtị bụ hydrogen fluoride, sulfur polyfluoride, wdg.

 

Ozi nchekwa:

- 3,4-Difluorobenzoic acid bụ kemịkalụ na ekwesịrị ịgbaso ya dịka usoro nchekwa dị mkpa na akụrụngwa nchebe kemịkalụ kwesịrị ekwesị.

- O nwere ike inwe mmetụta na-akpasu iwe na anya, akpụkpọ ahụ, na traktị iku ume na ekwesịrị ịsacha ya ozugbo emechara ya.

- N'oge ọgwụgwọ, kọntaktị na oxidants siri ike na acid siri ike kwesịrị izere iji gbochie mmeghachi omume dị ize ndụ.

- 3,4-Difluorobenzoic acid kwesịrị ịchekwa ya na ebe dị jụụ, kpọrọ nkụ, nke na-eku ume nke ọma, pụọ na ọkụ na isi mmalite ọkụ.


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