Para Methoxy Phenyl Acetic Acid

Para Methoxy Phenyl Acetic Acid

CAS Number:104‑01‑8

Synonyms:4‑Methoxyphenylacetic acid; Homoanisic acid; p‑Anisylacetic acid; 2‑(para‑anisyl) acetic acid

Chemical Formula:C₉H₁₀O₃

Molecular Weight:~166.17 g/mol

Product Introduction

A white to off‑white crystalline powder (≥98 %). A carboxylic acid used extensively as an intermediate in pharmaceutical synthesis (e.g., dextromethorphan), fragrances, stilbene analogues, coordiantion complexes, and analytical reagents.

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Physical & Chemical Properties

Property Value
Appearance White to light-yellow crystalline powder
Melting Point ~84–88 °C
Boiling Point ~140 °C @3 mm Hg
Density ~1.17 g/cm³ (solid)
Solubility in Water ~6 g/L @20 °C
Refractive Index (n₂₀ᴅ) ~1.510
pKₐ ~4.36 @25 °C
Flash Point ~193 °C

Applications

  • Pharmaceutical intermediate:precursor for cough suppressant dextromethorphan
  • Fragrance & fine chemical synthesis:stilbene analogues, ligand complexes
  • Analytical reagent and photometry standards

Safety Notes

  • Irritant—avoid inhalation/contact. GHS H318. Store <30 °C in sealed container. Use gloves, goggles, ventilation.

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