ChemicalBook > Product Catalog > Analytical Chemistry > Analysis reagents > General Analytical Reagents > (R)-(-)-alpha-Methoxyphenylacetic acid
(R)-(-)-alpha-Methoxyphenylacetic acid
- Product Name:(R)-(-)-alpha-Methoxyphenylacetic acid
- CAS:3966-32-3
- MF:C9H10O3
- MW:166.17
- EINECS:223-580-9
- Mol File:3966-32-3.mol
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(R)-(-)-alpha-Methoxyphenylacetic acid Chemical Properties
- Melting point:66-68 °C(lit.)
- alpha -160.4 º (C=1, MEOH)
- Boiling point:164-166°C 18mm
- Density 1.1708 (rough estimate)
- refractive index -147 ° (C=0.5, EtOH)
- Flash point:164-166°C/18mm
- storage temp. 2-8°C
- pka3.10±0.10(Predicted)
- form Fine Crystalline Powder or Needles
- color White
- optical activity[α]20/D -150±3°, c = 0.5% in ethanol
- BRN 3589257
- CAS DataBase Reference3966-32-3(CAS DataBase Reference)
- NIST Chemistry Reference(R)-(-)-«alpha»-methoxyphenylacetic acid(3966-32-3)
- Language:EnglishProvider:ACROS
- Language:EnglishProvider:SigmaAldrich
- Language:EnglishProvider:ALFA
(R)-(-)-alpha-Methoxyphenylacetic acid Usage And Synthesis
- Chemical Propertieswhite fine crystalline powder or needles
- Purification MethodsPurify the acids by recrystallising from *C6H6/pet ether (b 80-100o). [Neilson & Peters J Chem Soc 1519 1962, Weizmann et al. J Am Chem Soc 70 1153 1948, Pirie & Smith J Chem Soc 338 1932, NMR: Dale & Mosher J Am Chem Soc 9 5 512 1973, for resolution: Roy & Deslongchamps Can J Chem 63 651 1985, Trost et al. J Am Chem Soc 1 0 8 4974 1986.] The racemic mixture has m 72o, b 121-122o/0.4mm, 165o/18mm (from pet ether) [Braun et al. Chem Ber 6 3 2847 1930]. [Beilstein 10 IV 566.]
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