Malic Acid Cas: 6915-15-7
| Catalog Number | XD 92004 |
| Khoom npe | Malic Acid |
| CAS | 6915-15-7 ib |
| Molecular Formula | C4H6O5 |
| Molecular Luj | 134.09 Nws |
| Cov ntaub ntawv khaws cia | 2-8 ° C |
| Harmonized tariff Code | 29181980 ib |
Khoom Specification
| Qhov tshwm sim | Dawb crystal hmoov |
| Assay | 99% min |
| Melting point | 131-133 ° C (lit.) |
| alpha | [α]D20 -0.5～+0.5° (c=5, H2O) |
| Boiling point | 167.16°C (kev kwv yees) |
| ceev | 1.609 ib |
| vapor ceev | 4.6 (vs huab cua) |
| vapor siab | 0.1 hli Hg (20 ° C) |
| Refractive Index | 1.3920 (kwv yees) |
| Fp | 203 ° C |
| solubility | methanol: 0.1 g / mL, ntshiab, tsis muaj xim |
| pka ua | 3.4 (ntawm 25 ℃) |
| PH | 2.3 (10g / l, H2O, 20 ℃) |
| kev ua haujlwm kho qhov muag | [α]/D 0.10 txog +0.10° |
| Dej Solubility | 558 g / L (20 ºC) |
Nws yog siv rau hauv tshuaj thiab pom nyob rau hauv txiv apples thiab lwm yam txiv hmab txiv ntoo.
Qhov tshwm sim ntawm isomer yog L-daim ntawv uas tau pom nyob rau hauv txiv apples thiab ntau lwm txiv hmab txiv ntoo thiab nroj tsuag.
Kaw
