(-)-O-ACETYL-D-MANDELIC ACID
Synonym(s):(−)-O-Acetyl-D -mandelic acid;(R)-(−)-α-Acetoxyphenylacetic acid
- CAS NO.：51019-43-3
- Empirical Formula: C10H10O4
- Molecular Weight: 194.19
- MDL number: MFCD00004249
- EINECS: 610-598-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-25 18:01:15
What is (-)-O-ACETYL-D-MANDELIC ACID?
Chemical properties
white to light yellow crystal powde
The Uses of (-)-O-ACETYL-D-MANDELIC ACID
The (R)- and (S)-isomers are chiral derivatizing agents for NMR determination of enantiomeric purity of α-deuterated carboxylic acids, alcohols, and amines.
The Uses of (-)-O-ACETYL-D-MANDELIC ACID
(R)-(-)-O-Acetylmandelic acid may be used as a precursor to prepare a chiral diamine, which is an intermediate to prepare Utenone A. It may also be used to prepare ethyl (2′R)-2′-acetoxy-2′-phenylethanoate.
General Description
(R)-(-)-O-Acetylmandelic acid is a chiral derivatizing agent for NMR determination of enantiomeric purity of α-deuterated carboxylic acids, alcohols, and amines.
Purification Methods
It crystallises from H2Owith 1mol of solvent which is removed on drying, or from other solvents as for the S-iso
Properties of (-)-O-ACETYL-D-MANDELIC ACID
| Melting point: | 97-99 °C(lit.) |
| Boiling point: | 317.8±30.0 °C(Predicted) |
| Density | 1.259±0.06 g/cm3(Predicted) |
| refractive index | -153 ° (C=2, Acetone) |
| storage temp. | Inert atmosphere,Store in freezer, under -20°C |
| solubility | Soluble in methanol. (almost transparency) |
| form | powder to crystal |
| pka | 2.76±0.10(Predicted) |
| color | White to Almost white |
| optical activity | [α]20/D 152.4°, c = 2 in acetone |
| BRN | 2694110 |
| CAS DataBase Reference | 51019-43-3(CAS DataBase Reference) |
Safety information for (-)-O-ACETYL-D-MANDELIC ACID
| 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-D-MANDELIC ACID
| InChIKey | YCCSWLJUVZBEAS-SECBINFHSA-N |
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product: 51019-43-3 2(R)-acetoxy-2-phenylacetic acid 98%
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