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ngwaahịa

4-bromo-5-methyl-1H-pyrazole-3-carboxylic acid (CAS # 82231-52-5)

Ngwongwo kemịkalụ:

Usoro ihe omimi C5H5BrN2O2
Molar Mass 205.01
Njupụta 1.934±0.06 g/cm3 (buru amụma)
Ebe Na-agbaze 273-276°(Dec)
Ebe Boling 410.8± 45.0 °C(buru amụma)
Ebe mgbari 202.3C
Uzuoku nrịbama 1.74E-07mmHg na 25°C
pKa 2.70± 0.10 (buru amụma)
Ọnọdụ Nchekwa 2-8 ℃
Ntụgharị uche 1.64

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu 20/21/22 - Na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro.
Nkọwapụta nchekwa S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
Koodu HS 29331990
Klas Hazard Iwe

 

Okwu mmalite

Acid (acid) bụ ngwakọta organic. Ihe a bụ mmalite maka ọdịdị ya, ojiji ya, nhazi ya na ozi nchekwa ya:

 

Ọdịdị:

- Ọdịdị: Ụdị a na-ahụkarị bụ ọcha na-acha ọcha kristal ntụ ntụ.

-Mgbaze: Ebe mgbaze nke ogige ahụ na-adịkarị n'ogo nke 100-105 ° C.

-Solubility: Ọ nwere ezigbo solubility na ụfọdụ ihe mgbaze pola, dị ka ethanol, dimethyl sulfoxide, wdg. Ma solubility na mmiri dị ala.

 

Jiri:

-acid bụ etiti a na-ejikarị eme ihe n'ọhịa nke njikọ organic. Enwere ike iji ya mee ihe dị iche iche nke pyrazole ma ọ bụ pyrimidine ogige.

-A nwekwara ike iji ogige a mee ihe dị ka akụrụngwa n'ọhịa ọgwụ.

 

Ụzọ nkwadebe:

- Enwere ike ime nkwadebe nke acid site na mmeghachi omume ọtụtụ nzọụkwụ. Usoro sịntetịt a na-ahụkarị bụ ịmalite site na ihe pyrazole wee mechaa mebie ngwaahịa a chọrọ site na usoro mmeghachi omume kemịkal.

- Usoro nkwadebe akọwapụtara nwere ike ịdịgasị iche dabere na ebumnuche nke ọmụmụ ihe, nnweta data, wdg, ma ị nwere ike ịtu aka na akwụkwọ sayensị ma ọ bụ akwụkwọ ikike dị mkpa maka ozi zuru ezu.

 

Ozi nchekwa:

-Acid ahụ na-abụkarị ogige kwụsiri ike n'okpuru ojiji na nchekwa ziri ezi. Agbanyeghị, dịka ọ dị na kemịkalụ ọ bụla, ọ ka kwesịrị iji nlezianya na-edozi ya.

-Ọ nwere ike na-agbakasị ahụ, yabụ ekwesịrị ịkpachara anya ka ị ghara imetụ akpụkpọ ahụ, anya ma ọ bụ akụkụ iku ume.

-Mgbe ị na-eji na njikwa, soro usoro ụlọ nyocha ziri ezi na usoro nchedo onwe onye, ​​​​ma hụ na ọnọdụ ikuku ikuku kwesịrị ekwesị.


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