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(2E) -2-Butene-1 4-diol (CAS# 821-11-4)

Ngwongwo kemịkalụ:

Usoro ihe omimi C4H8O2
Molar Mass 88.11
Njupụta 1.07g/mLat 25°C(ọkụ)
Ebe Na-agbaze 7°C (ọkụ)
Ebe Boling 131.5°C12mm Hg(ọkụ)
Ebe mgbari >230°F
Solubility Chloroform, DMSO, methanol (obere)
Ọdịdị Mmanụ na-enweghị agba ka ọ bụrụ mmanụ ọcha ruo ọkara siri ike
Agba Ọcha ma ọ bụ enweghị agba ruo odo
pKa 13.88± 0.10 (buru amụma)
Ọnọdụ Nchekwa 2-8 Celsius C
Ntụgharị uche n20/D 1.478 (ọkụ)
MDL MFCD00063207
Jiri Ngwaahịa a bụ naanị maka nyocha sayensị na agaghị eji ya maka ebumnuche ndị ọzọ.

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.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
WGK Germany 1
RTECS EM4970000
FLUKA BRAND F CODES 23
Koodu HS 29052900

 

Okwu mmalite

(2E) -2-Butene-1,4-diol, nke a makwaara dị ka (2E) -2-Butene-1,4-diol, bụ ngwakọta organic. Nke a bụ nkọwa nke ọdịdị ya, ojiji ya, nkwadebe na ozi nchekwa ya:

 

Ọdịdị:

(2E) -2-Butene-1,4-diol bụ mmiri mmiri na-acha odo odo na-enweghị agba ma ọ bụ na-acha odo odo nwere isi ísì pụrụ iche. Usoro kemịkal ya bụ C4H8O2 na ịdị arọ ya bụ 88.11g/mol. Ọ nwere njupụta nke 1.057g/cm³, ebe na-esi esi nke 225-230 degrees Celsius, yana soluble na ihe mgbaze organic nkịtị dị ka mmiri, ethanol na ether.

 

Jiri:

(2E) -2-Butene-1,4-diol nwere ọtụtụ ojiji na ụlọ ọrụ kemịkalụ. Enwere ike iji ya mee ihe dị ka etiti na nchịkọta organic, maka nkwadebe nke resins synthetic, mkpuchi elu, akwa akwa na ọgwụ ndị ọzọ na ogige ndị ọzọ. Na mgbakwunye, enwere ike iji ya dị ka ihe mgbaze na surfactant na ụlọ ọrụ.

 

Ụzọ nkwadebe:

Enwere ike ime nkwadebe nke (2E) -2-Butene-1,4-diol site na ụzọ dị iche iche. Otu usoro a na-ahụkarị bụ mbelata nke butenedioic acid. Mbelata a nwere ike iji ihe na-ebelata ihe dị ka hydrogen na ihe mkpali, ma ọ bụ ihe na-ebelata mmeghachi omume dị ka sodium hydride ma ọ bụ sulfoxide.

 

Ozi nchekwa:

(2E) -2-Butene-1,4-diol bụ ogige dị nchebe n'okpuru ọnọdụ ojiji. Otú ọ dị, dị ka ihe kemịkal, ọ ka nwere ike imerụ ahụ mmadụ. Mmekọrịta na akpụkpọ ahụ, anya ma ọ bụ iku ume nke vapors nwere ike ịkpata mgbakasị na mgbu anya. Ya mere, mgbe a na-ejizi na iji (2E) -2-Butene-1,4-diol, ekwesịrị ịme usoro nchekwa kwesịrị ekwesị, dị ka iyi uwe mkpuchi na ihe nchebe anya, na ịhụ na ikuku na-arụ ọrụ nke ọma. N'otu oge ahụ, a ga-edebe ya pụọ ​​​​na ọkụ ma zere kọntaktị na ndị na-emepụta ihe siri ike. Chọọ nlekọta ahụike ozugbo ọ bụrụ na imetụ aka ma ọ bụ rie nri na mberede.


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