Khoom npe:
NL- -Aspartyl-L-Phenylalanine-1-Methyl Ester
Specifications:
Synonyms: Aspartyl Phenylalanine Methyl Ester, APM
CAS nr: 22839-47-0
Cov tshuaj formula: C14H18O5N2
Molecular Luj: 294.31
EINECS:245-261-3
Tus qauv qauv:
Khoom:
| Kev piav qhia | Tsis muaj ntxhiab tsw, qab zib thiab dawb crystalline hmoov |
| Qhov ntom | 1.28 |
| Boiling Point | 535.8 degree ntawm 760 mmHg |
| Melting Point | 248-250 degree |
| Flash Point | 277.8 hli |
| Refractive Index | 14.5 degree (C{2}}, 15mol/L Formic Acid) |
| Solubility | Sparingly soluble los yog me ntsis soluble hauv dej thiab hauv ethanol (96 ib xees), xyaum insoluble hauv hexane thiab hauv methylene chloride. |
| Pka | pKa 3.19±{2}} 01 (H2O t=25 0 I=0.100(NaCl))(kwv yees) ;7.87±0.02(H2O t=25.0 I=0.100(NaCl))(kwv yees) |
| Daim ntawv | Hmoov |
| Xim | Dawb |
| PH | pH (8g / l, 25 degree) 4. 5-6 0 |
| Dej Solubility | Soluble nyob rau hauv formic acid, dimethyl sulfoxide. Sparingly soluble hauv dej thiab ethanol. |
| LogP | 0.542 (yog) |
Daim ntawv thov:
Aspartame yog ib qho khoom qab zib siab uas yog dipeptide, muab 4 cal / g. Nws tsis yog feem ntau siv rau hauv cov khoom ci vim tias nws tawg ntawm qhov kub kub. nws muaj phenylalanine, uas txwv tsis pub nws siv rau cov neeg txom nyem nrog phenylketonuria, tsis muaj peev xwm mus metabolize phenylalanine. siv xws li cov khoom noj tshais txias, khoom qab zib, cov khoom sib xyaw ua ke, zom cov pos hniav, dej haus, thiab cov khoom qab zib khov. qib kev siv yog los ntawm 0.01 txog 0.02%.
Cia:
cia temp. 2-8 degree
Cim npe nrov: Tuam Tshoj aspartame manufacturers, lwm tus neeg, Hoobkas
