(S)-(+)-2-PHENYLBUTYRIC ACID

CAS No.：4286-15-1

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(S)-(+)-2-PHENYLBUTYRIC ACID Basic information

Product Name:	(S)-(+)-2-PHENYLBUTYRIC ACID
Synonyms:	(S)-(+)-2-PHENYLBUTYRIC ACID;(S)-(+)-alpha-Ethylphenylacetic acid;(S)-(+)-2-Phenylbutyricacid,99%;(s)-(+)-à-ethylphenylacetic acid;(2S)-2-Phenylbutanoic acid;(2S)-2-Phenylbutyric acid;(S)-2-Phenylbutanoic acid;(S)-α-Ethylbenzeneacetic acid
CAS:	4286-15-1
MF:	C10H12O2
MW:	164.2
EINECS:
Product Categories:	Carboxylic Acids;Chiral Building Blocks;Organic Building Blocks
Mol File:	4286-15-1.mol

(S)-(+)-2-PHENYLBUTYRIC ACID Chemical Properties

Boiling point	98-100 °C0.3 mm Hg(lit.)
alpha	[α]D20 +92～+100° (c=1, C6H5CH3)
density	1.055 g/mL at 25 °C(lit.)
refractive index	n20/D 1.516(lit.)
Fp	>230 °F
pka	4.34±0.10(Predicted)
optical activity	[α]19/D +92°, c = 0.9 in toluene
BRN	2045208

Safety Information

Hazard Codes	Xn
Risk Statements	22-36/37/38
Safety Statements	23-36-37/39-26
WGK Germany	3
HS Code	29163900

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

(S)-(+)-2-PHENYLBUTYRIC ACID Usage And Synthesis

Chemical Properties	Colorless to light yellow liqui
Purification Methods	Purify the acids by distillation at atmospheric pressure using an efficient column. The acid chlorides have b 106-107o/20mm, []D () and (+) 108o (c 2, *C6H6). [Levene et al. J Biol Chem 100 589 1933, Gold & Aubert Helv Chim Acta 41 1512 1958, ORD in heptane: Rothen & Levene J Chem Phys 7 975 1939, Beilstein 9 III 2461.]

(S)-(+)-2-PHENYLBUTYRIC ACID Preparation Products And Raw materials

Raw materials

1-Buten-1-one, 2-phenyl--->(R)-(-)-2-PHENYLBUTYRIC ACID-->CARBON DIOXIDE-->2-Phenylbutyric acid

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