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(S)-(+)-ALPHA-METHOXY-ALPHA-TRIFLUOROMETHYLPHENYLACETYL CHLORIDE

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(S)-(+)-ALPHA-METHOXY-ALPHA-TRIFLUOROMETHYLPHENYLACETYL CHLORIDE Basic information
(S)-(+)-ALPHA-METHOXY-ALPHA-TRIFLUOROMETHYLPHENYLACETYL CHLORIDE Chemical Properties
  • alpha D24 +129.0± 0.2° (c = 5.17 in CCl4)
  • Boiling point:213-214 °C(lit.)
  • Density 1.35 g/mL at 25 °C(lit.)
  • refractive index n20/D 1.47(lit.)
  • Flash point:194 °F
  • storage temp. −20°C
  • form Liquid
  • Specific Gravity1.353
  • color Clear colorless to light yellow
  • optical activity[α]20/D +137±2°, c = 6.4% in carbon tetrachloride
  • Water Solubility Slightly miscible with water.
  • Sensitive Moisture Sensitive
  • Merck 14,6280
  • BRN 3591564
  • CAS DataBase Reference20445-33-4(CAS DataBase Reference)
Safety Information
  • Hazard Codes C
  • Risk Statements 34-43
  • Safety Statements 26-36/37/39-45-27
  • RIDADR UN 3265 8/PG 2
  • WGK Germany 3
  • 10-21
  • Hazard Note Corrosive/Freeze
  • HazardClass 8
  • PackingGroup II
  • HS Code 29189900
MSDS
(S)-(+)-ALPHA-METHOXY-ALPHA-TRIFLUOROMETHYLPHENYLACETYL CHLORIDE Usage And Synthesis
  • Chemical Propertiesclear colorless to light yellow liquid
  • UsesResolution of enantiomers primarily of alcohols and amines.
  • Purification MethodsThe most likely impurity is the free acid due to hydrolysis and should be checked by IR. If free from acid, then distil, taking care to keep moisture out of the apparatus. Otherwise add SOCl2 and reflux for 5hours and distil it. Note that shorter reflux times result in a higher boiling fraction (b 130-155o/1mm) which has been identified as the anhydride. [Dale et al. J Org Chem 34 2543 1969, for enantiomeric purity see Dale & Mosher J Am Chem Soc 97 512 1973.]
(S)-(+)-ALPHA-METHOXY-ALPHA-TRIFLUOROMETHYLPHENYLACETYL CHLORIDE(20445-33-4)Related Product Information
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