(R)-3-PHENYLBUTYRIC ACID
Synonym(s):(R)-β-Methylhydrocinnamic acid
- CAS NO.：772-14-5
- Empirical Formula: C10H12O2
- Molecular Weight: 164.2
- MDL number: MFCD00077841
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:49
What is (R)-3-PHENYLBUTYRIC ACID?
Chemical properties
optical purity >99%
Purification Methods
Purify the acids as the 2-isomer above, i.e. by distillation, but under a good vacuum. [Prelog & Scherrer Helv Chim Acta 42 2227 1959, Levene & Marker J Biol Chem 93 761 1932, 100 685 1933, Cram J Am Chem Soc 74 2137 1952.] The R-amide crystallises from H2O, with m 101.5-102o, and [] 20 -16.5o (c 1.2, EtOH). The racemic acid has m 39-40o, b 134-136o/6mm, 158o/12mm [Marvel et al. J Am Chem Soc 62 3499 1940]. [Beilstein 9 IV 1813.]
Properties of (R)-3-PHENYLBUTYRIC ACID
| Boiling point: | 94-95 °C/0.3 mmHg (lit.) |
| Density | 1.069 g/mL at 20 °C (lit.) |
| refractive index | n |
| pka | 4.67±0.10(Predicted) |
| optical activity | [α]20/D 57±2°, c = 1% in benzene |
| BRN | 2501477 |
Safety information for (R)-3-PHENYLBUTYRIC ACID
Computed Descriptors for (R)-3-PHENYLBUTYRIC ACID
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