(r) -lactate le CAS 10326-41-7
(R) -Lactate CAS 10326-41-7 ke lik'hemik'hale. Foromo ea molek'hule ke C3H6O3. (R) -Lactate 90% ke high optical (chiral) lactic acid e hlahisoang ke theknoloji ea biological fermentation e sebelisang lik'habohaedreite tse tšoanang le tsoekere e le lisebelisoa tse tala. Sehlahisoa se felileng sa D-lactic acid ke mokelikeli o mosehla o hlakileng o se nang 'mala kapa o bobebe o hlakileng o nang le tatso e bolila hanyane; ke hygroscopic, 'me tharollo ea metsi e bontša karabelo ea asiti. E ka tsoakoa ka bolokolohi le metsi, ethanol kapa ether, 'me ha e qhibilihe ka chloroform.
| Ntho | Standard |
| Ponahalo | metsi a se nang mmala |
| Assay w% | E SE ka tlase ho 95.0 mme eseng ho feta 105.0 ea mahloriso a ngotsoeng |
| Bohloeki ba stereochemical % | ≥99.0 |
| Mmala APHA | ≤25 |
| Methanol w% | ≤0.2 |
| Aene(Fe) w% | ≤0.001 |
| Chloride(joalo ka CI) w% | ≤0.001 |
| Sulphate (joalo ka SO4w% | ≤0.001 |
| Limetale tse boima(joalo ka Pb) w% | ≤0.0005 |
| Boima ba 'mele (20 ℃) g/ml | 1.180-1.240 |
E sebelisoa haholo ha ho etsoa le ho etsa thepa ea asiti ea polylactic le motsoako oa lithethefatsi tsa chiral le li-intermediates tsa chefo e bolaeang likokoanyana.
Metsoako ea Chiral
Li-ester tsa lactic acid tse sebelisang (R) -Lactate e le lisebelisoa tse tala li sebelisoa haholo tlhahisong ea litlolo tse nkhang hamonate, litlolo tsa maiketsetso tsa resin, li-adhesives le li-inks tsa khatiso, hape le tlhoekisong ea liphaephe tsa peterole le liindasteri tsa elektroniki. Har'a tsona, D-methyl lactate e ka kopanngoa ka mokhoa o ts'oanang le metsi le li-solvents tse sa tšoaneng tsa polar, e ka qhala ka ho feletseng nitrocellulose, cellulose acetate, cellulose acetobutyrate, joalo-joalo le li-polar tse fapa-fapaneng tsa polar synthetic, 'me li na le ntlha ea ho qhibiliha. Ke mokelikeli o motle haholo o nang le ntlha e belang e phahameng ka lebaka la melemo ea eona ea mocheso o phahameng le sekhahla sa mouoane o liehang. E ka sebelisoa e le karolo ea motsoako oa motsoako ho ntlafatsa ts'ebetso le ho kopanya. Ntle le moo, e ka sebelisoa e le thepa e tala bakeng sa meriana, chefo e bolaeang likokoanyana le li-precursors bakeng sa ho kopanya metsoako e meng ea chiral. , Ea Mahareng.
thepa e senyehang
Lactic acid ke thepa e tala bakeng sa bioplastic polylactic acid (PLA). Thepa ea 'mele ea thepa ea PLA e itšetlehile ka sebopeho le litaba tsa D le L li-isomers. Racemate D, L-polylactic acid (PDLLA) e entsoeng ho tloha racemic D, L-lactic acid e na le sebopeho sa amorphous, 'me thepa ea eona ea mechine e futsanehile, nako ea ho senyeha e khutšoanyane,' me ho fokotseha ho etsahala 'meleng, ka tekanyo ea ho fokotseha ea 50%. % kapa ho feta, ts'ebeliso e na le moeli. Likarolo tsa ketane tsa L-polylactic acid (PLLA) le D-polylactic acid (PDLA) li lula li hlophisoa, 'me crystallinity ea bona, matla a mochine le ntlha ea ho qhibiliha li phahame haholo ho feta tsa PDLLA.
250kg / moropa
(R) -Lactate
