617-48-1 - Names and IdentifiersNameDL-Malic acidSynonymsC00711Malic acidDL-Malic acidMALIC ACI
E-postadress: info@standard-groups.com
| Name | DL-Malic acid |
| Synonyms | C00711 Malic acid DL-Malic acid MALIC ACID, DL- Malicacidpfelsure Musashi-no-Ringosan DL-Hydroxysuccinic acid 2-hydroxybutanedioic acid (2R)-2-hydroxybutanedioate |
| CAS | 617-48-1 6915-15-7 |
| EINECS | 210-514-9 |
| InChI | InChI=1/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/p-2/t2-/m1/s1 |
| Molecular Formula | C4H6O5 |
| Molarmassa | 134.09 |
| Täthet | 1,609 g/cm3 |
| Melting Point | 131-133°C(lit.) |
| Boling Point | 150℃[at 101 325 Pa] |
| Specific Rotation(α) | [α]D20 -0.5～+0.5° (c=5, H2O) |
| Blixtpunkt | 203°C |
| Vattenlöslighet | 500g/L at 25℃ |
| Solubility | Soluble in water, alcohol, slightly soluble in ether, insoluble in benzene. |
| Vapor Presure | <0.1 mm Hg ( 20 °C) |
| Vapor Density | 4.6 (vs air) |
| Utseende | White crystal or crystalline powder |
| Färg | White to Off-White |
| pKa | pK1:3.458;pK2:5.097 (25°C) |
| Lagringstillstånd | Refrigerator |
| Stability | Stable. Incompatible with strong oxidizing agents, strong bases, amines, alkali metals, carbonates. |
| Sensitive | Sensitive to light |
| MDL | MFCD00064212 |
| Physical and Chemical Properties | Character malic acid is stable under normal conditions, and has hygroscopicity when humidity is high. Triclinic white crystals. melting point 130 ℃ relative density 1.601 soluble in methanol, ethanol, acetone and many other polar solvents. |
| Use | Food industry used as acidulants, color retention agents, preservatives and emulsion stabilizers such as egg yolk, also used in pharmaceutical |
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R42/43 - May cause sensitization by inhalation and skin contact. R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| WGK Germany | 1 |
| RTECS | ON7175000 |
Ansvarsfriskrivning: Ovanstående innehåll är endast för referens och kommunikation mellan branschinsider, och garanterar inte dess riktighet eller fullständighet. Enligt gällande lagar och förordningar och förordningar på denna webbplats ska enheter eller individer som köper relaterade artiklar erhålla giltiga kvalifikationer och kvalifikationsvillkor.
Företagstelefon
+86-21-6420 0566
Arbetstider
måndag till fredag
Mobiltelefon:
13816217984
E-post:
info@qinsun-lab.com
