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sehlahisoa

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

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H8O3
'Misa oa Molar 116.12
Botenya 1.209g/mLat 25°C(lit.)
Boling Point 128-129°C13mm Hg(hote.)
Phetoho e khethehileng(α) +19.6±0.2°(makhethe) (D/20℃)
Flash point >230°F
Khatello ea Mouoane 0.0107mmHg ho 25°C
Ponahalo metsi a hlakileng
Mmala E se nang mmala ho isa mosehla o kganyang
BRN 4658739
pKa 3.60±0.20(E boletsoeng esale pele)
Boemo ba polokelo Boloka sebakeng se lefifi, se tiisitsoe moo ho omileng, Mocheso oa Kamore
Refractive Index n20/D 1.46(lit.)

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R22 – E kotsi ha e kwetswe
R34 – E baka ho cha
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S45 – Ha ho ka etsahala kotsi kapa ha o ikutlwa o sa phele hantle, batla keletso ya bongaka hanghang (bontsha leibole neng kapa neng ha ho kgoneha.)
S36 - Apara liaparo tse loketseng tsa tšireletso.
Li-ID tsa UN UN 3265 8/PG 3
WGK Jeremane 3
Khoutu ea HS 29321900
Sehlopha sa Likotsi 8
Sehlopha sa ho paka III

 

Selelekela

R-(+) tetrahydrofuranoic acid. Se latelang ke selelekela ho tse ling tsa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea R-(+)tetrahydrofuranoic acid:

 

Boleng:

- R-(+) tetrahydrofuranoic acid ha e na 'mala ho isa mosehla o mosehla o tiileng o nang le tatso e bolila e ikhethang.

- E qhibiliha ka metsing 'me e bonahala e le mokelikeli o nang le optical rotation mocheso oa kamore.

- E ka sebetsana le metsoako e meng e kang esterification, condensation, phokotso, joalo-joalo.

 

Sebelisa:

- R-(+) tetrahydrofuranoic acid e boetse e sebelisoa ha ho etsoa metsoako e meng ea lintho tse phelang, mohlala, ha ho etsoa li-plastiki tse ka senyehang tse kang polylactic acid.

 

Mokhoa:

- R-(+) tetrahydrofuranoic acid e ka lokisoa ka mekhoa e sa tšoaneng e kang karohano ea optical, ho fokotsa lik'hemik'hale, le mekhoa ea enzymatic.

- Optical karohano ke mokhoa o atisang ho sebelisoa oa ho itokisa ho arola li-isomers tse ling tsa D-lactate ka ho khetha likokoana-hloko tse loketseng kapa li-enzyme.

 

Lintlha tsa Tšireletseho:

- R-(+) tetrahydrofuranoic acid e batla e bolokehile tlas'a maemo a tloaelehileng a tšebeliso.

- Ho kopana ka nako e telele ho ka baka ho teneha letlalong le mahlo, 'me ho lokela ho nkoa mehato ea ho itšireletsa ha ho tšoaroa.

- Ha u boloka le ho tšoara, mekhoa ea ts'ebetso ea ts'ireletso e loketseng e lokela ho lateloa ka thata, 'me ho kopana le li-oxidizing tse matla le lisebelisoa tse tukang li lokela ho qojoa.


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