(r) -lactate nwere cas 10326-41-7
D-lactic acid bụ kemịkalụ. Usoro molekụla bụ C3H6O3. D-lactic acid 90% bụ nnukwu ngwa anya (chiral) lactic acid mepụtara site na teknụzụ gbaa ụka ndu site na iji carbohydrates yiri shuga dị ka akụrụngwa. Ngwaahịa emechara nke D-lactic acid bụ mmiri na-enweghị isi ma ọ bụ na-acha odo odo doro anya nke nwere uto utoojoo; ọ bụ hygroscopic, na ngwọta mmiri na-egosipụta mmeghachi omume acidic. Enwere ike ịgwakọta ya na mmiri, ethanol ma ọ bụ ether n'efu, yana chloroform anaghị agbaze.
| Ihe | Ọkọlọtọ |
| Ọdịdị | mmiri mmiri na-enweghị agba |
| Nyocha w% | Ọ BỤGHỊ ihe na-erughị 95.0 ma ọ bụghị karịa 105.0 nke ntinye aha akpọrọ |
| Ọcha stereochemical% | ≥99.0 |
| Agba APHA | ≤25 |
| Methanol w% | ≤0.2 |
| Ígwè (Fe) w% | ≤0.001 |
| Chloride (dị ka CI) w% | ≤0.001 |
| Sulfate (dị ka SO4) w% | ≤0.001 |
| Ọla dị arọ (dị ka Pb) w% | ≤0.0005 |
| Njupụta (20 ℃) g/ml | 1.180-1.240 |
A na-ejikarị ya eme ihe na nhazi na imepụta ihe polylactic acid na njikọ nke ọgwụ chiral na pesticide intermediates.
Chiral ogige
A na-eji esters lactic acid na-eji D-lactic acid dị ka akụrụngwa akụrụngwa na-emepụta ihe na-esi ísì ụtọ, mkpuchi resin sịntetik, nrapado na ink mbipụta, yana kwa na nhicha nke pipeline mmanụ na ụlọ ọrụ eletrọnịkị. N'ime ha, D-methyl lactate nwere ike jikọta ya na mmiri dị iche iche na ihe mgbaze pola dị iche iche, nwere ike ịgbari nitrocellulose, cellulose acetate, cellulose acetobutyrate, wdg na polar synthetic polymers dị iche iche, ma nwee ebe mgbaze. Ọ bụ ihe mgbaze magburu onwe ya nke nwere isi ihe na-esi ísì ụtọ n'ihi uru nke okpomọkụ dị elu na ngwa ngwa evaporation ọnụego. Enwere ike iji ya dị ka akụkụ nke ihe mgbaze agwakọta iji meziwanye arụmọrụ na solubilization. Tụkwasị na nke a, a pụkwara iji ya mee ihe dị ka akụrụngwa maka ọgwụ, pesticides na precursors maka njikọ nke ogige chiral ndị ọzọ. , Ọkara.
ihe na-emebi emebi
Lactic acid bụ akụrụngwa maka bioplastic polylactic acid (PLA). Njirimara anụ ahụ nke ihe PLA dabere na nhazi na ọdịnaya nke D na L isomers. The racemate D, L-polylactic acid (PDLLA) synthesized si racemic D, L-lactic acid nwere amorphous Ọdịdị, na ígwè ọrụ ya adịghị mma, oge mmebi ahụ dị mkpụmkpụ, na shrinkage na-eme n'ime ahụ, na ọnụ ọgụgụ nke shrinkage. 50% % ma ọ bụ karịa, ngwa nwere oke. A na-ahazi usoro nke L-polylactic acid (PLLA) na D-polylactic acid (PDLA) mgbe niile, na kristal ha, ike ọrụ na ebe mgbaze dị elu karịa nke PDLLA.
250kg / drum
(R) - Lactate
