(-)-O-ACETYL-L-MALIC ANHYDRIDE
Synonym(s):(S)-3-Acetoxy-dihydro-2,5-furandione;O-Acetyl-L -malic anhydride
- CAS NO.：59025-03-5
- Empirical Formula: C6H6O5
- Molecular Weight: 158.11
- MDL number: MFCD00082708
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-06-08 17:06:36
What is (-)-O-ACETYL-L-MALIC ANHYDRIDE?
Chemical properties
White Crystalline Solid
The Uses of (-)-O-ACETYL-L-MALIC ANHYDRIDE
(-)-O-Acetyl-L-Malic Anhydride can be used as intermediates for detergents via O-acetylmalic acid amides. Regioselective ring opening of malic acid anhydrides by carbon nucleophiles
The Uses of (-)-O-ACETYL-L-MALIC ANHYDRIDE
(S)-(-)-2-Acetoxysuccinic anhydride is used as intermediates for detergents via O-acetylmalic acid amides. Regioselective ring opening of malic acid anhydrides by carbon nucleophiles.
Purification Methods
Recrystallise it from Ac2O and dry it in a vacuum over KOH, or by washing it with dry Et2O due to its deliquescent nature. [Jones J Chem Soc 788 1933, Henrot et al. Synth Commun 16 183 1986, Shiuey et al. J Org Chem 52 1040 1988, RS: Cohen et al. J Am Chem Soc 88 5306 1966.]
Properties of (-)-O-ACETYL-L-MALIC ANHYDRIDE
| Melting point: | 54-56 °C(lit.) |
| Boiling point: | 296.6±33.0 °C(Predicted) |
| Density | 1.38±0.1 g/cm3(Predicted) |
| refractive index | -25.5 ° (C=5, CHCl3) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Dichloromethane, DMF, Ethyl Acetate |
| form | Powder |
| color | White Crystalline |
| optical activity | [α]20/D 27°, c = 1 in chloroform |
| Water Solubility | Reacts in water. |
| Sensitive | Moisture Sensitive |
| BRN | 82504 |
| Stability: | Stable. Incompatible with strong oxidizing agents. Sensitive to moisture. |
| CAS DataBase Reference | 59025-03-5(CAS DataBase Reference) |
Safety information for (-)-O-ACETYL-L-MALIC ANHYDRIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for (-)-O-ACETYL-L-MALIC ANHYDRIDE
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