(S)-(+)-2-Phenylpropionic acid
Synonym(s):(S)-(+)-Hydratropic acid;(S)-HTA
- CAS NO.：7782-24-3
- Empirical Formula: C9H10O2
- Molecular Weight: 150.17
- MDL number: MFCD00063139
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-25 18:01:17
What is (S)-(+)-2-Phenylpropionic acid?
Chemical properties
Colorless to light yellow liqui
The Uses of (S)-(+)-2-Phenylpropionic acid
Chiral building block. Resolving agent
definition
ChEBI: (S)-hydratropic acid is a hydratropic acid. It is an enantiomer of a (R)-hydratropic acid.
Purification Methods
Purify the acids by vacuum distillation and by recrystallisation from pet ether. The S-anilide has m 103-104o (from H2O or CHCl3/*C6H6), [] D +47o (c 9, Me3CO) [Argus & Kenyon J Chem Soc 916 1939, Campbell & Kenyon J Chem Soc 25 1946, Levene et al. J Biol Chem 88 27, 34 1930]. [Beilstein 9 III 2417, 9 IV 1779.]
Properties of (S)-(+)-2-Phenylpropionic acid
| Melting point: | 29-30 °C(lit.) |
| Boiling point: | 115 °C1 mm Hg(lit.) |
| alpha | 75 º (c=3,CHCl3) |
| Density | 1.1 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | soluble in Chloroform |
| form | Low Melting Solid |
| pka | pK1:4.38 (25°C) |
| Specific Gravity | 1.100 |
| color | Off-white |
| optical activity | [α]20/D +72°, c = 1.6 in chloroform |
| BRN | 2044507 |
| CAS DataBase Reference | 7782-24-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzeneacetic acid, «alpha»-methyl-, (S)-(7782-24-3) |
Safety information for (S)-(+)-2-Phenylpropionic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (S)-(+)-2-Phenylpropionic acid
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product: 7782-24-3 (S)-(+)-2-Phenylpropionic acid 98%
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