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ngwaahịa

(R) -tetrahydrofuran-2-carboxylic acid (CAS # 87392-05-0)

Ngwongwo kemịkalụ:

Usoro ihe omimi C5H8O3
Molar Mass 116.12
Njupụta 1.209g/mLat 25°C(ọkụ)
Ebe Boling 128-129°C13mm Hg(ọkụ)
Ntụgharị pụrụ iche(α) +19.6±0.2°(dị ọcha) (D/20℃)
Ebe mgbari >230°F
Uzuoku nrịbama 0.0107mmHg na 25°C
Ọdịdị mmiri mmiri doro anya
Agba Agba na-acha odo odo
BRN 4658739
pKa 3.60± 0.20 (buru amụma)
Ọnọdụ Nchekwa Debe n'ebe gbara ọchịchịrị, mechie ya na nkụ, okpomọkụ ụlọ
Ntụgharị uche n20/D 1.46 (ọkụ)

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R22 - na-emerụ ma ọ bụrụ na iloro ya
R34 - Na-akpata ọkụ
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 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S36 - Yiri uwe nchebe kwesịrị ekwesị.
NJ UN UN 3265 8/PG 3
WGK Germany 3
Koodu HS 29321900
Klas Hazard 8
Otu nkwakọ ngwaahịa III

 

Okwu mmalite

R- (+) tetrahydrofuranoic acid. Ihe na-esonụ bụ mmalite nke ụfọdụ njirimara, ojiji, ụzọ nkwadebe na ozi nchekwa nke R- (+) tetrahydrofuranoic acid:

 

Ogo:

- R-(+) tetrahydrofuranoic acid bụ enweghị agba na-acha odo odo siri ike nwere uto utoojoo pụrụ iche.

- Ọ na-agbaze na mmiri wee pụta dị ka mmiri mmiri na ntụgharị anya na ụlọ okpomọkụ.

- Ọ nwere ike meghachi omume na ogige ndị ọzọ dị ka esterification, condensation, mbelata, wdg.

 

Jiri:

- R- (+) tetrahydrofuranoic acid ka a na-ejikwa na nkwadebe nke ogige ndị ọzọ dị ndụ, dịka na njikọ nke plastik biodegradable dị ka polylactic acid.

 

Usoro:

- R- (+) tetrahydrofuranoic acid nwere ike kwadebere site na ụzọ dị iche iche dị ka nkewa anya, mbelata kemịkalụ, na ụzọ enzymatic.

- Nkewa anya bụ usoro nkwadebe nke a na-ejikarị kewapụ isomers D-lactate ndị ọzọ site na ịhọrọ microorganisms ma ọ bụ enzymes kwesịrị ekwesị.

 

Ozi nchekwa:

- R- (+) tetrahydrofuranoic acid dịtụ mma n'okpuru ọnọdụ ojiji nkịtị.

- Mmekọrịta ogologo oge nwere ike ịkpasu akpụkpọ ahụ na anya iwe, na ekwesịrị ịkpachapụ anya mgbe ị na-ejizi ya.

- Mgbe ị na-echekwa ma na-ejikwa ya, a ga-agbasorịrị usoro ọrụ nchekwa dị mkpa, yana kọntaktị na ndị ọrụ oxidizing siri ike na ihe ndị na-ere ọkụ kwesịrị izere.


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