Product Name

  • Name

    (R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid

  • EINECS 243-829-5
  • CAS No. 20445-31-2
  • Article Data20
  • CAS DataBase
  • Density 1.35 g/cm3
  • Solubility
  • Melting Point 46-49 °C(lit.)
  • Formula C10H9F3O3
  • Boiling Point 287.226 °C at 760 mmHg
  • Molecular Weight 234.175
  • Flash Point 134.154 °C
  • Transport Information
  • Appearance
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 20445-31-2 ((R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid)
  • Hazard Symbols IrritantXi
  • Synonyms Benzeneaceticacid, a-methoxy-a-(trifluoromethyl)-, (R)-;(+)-MTPA;(+)-Mosher'sacid;(+)-a-Methoxy-a-(trifluoromethyl)phenylaceticacid;(R)-(+)-3,3,3-Trifluoro-2-phenyl-2-methoxypropanoic acid;(R)-(+)-MTPA acid;(R)-(+)-Mosher's acid;(R)-2-Methoxy-2-(trifluoromethylphenylacetic acid;(R)-2-Methoxy-2-phenyl-2-(trifluoromethyl)ethanoic acid;(R)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid;(R)-MTPA;(R)-Mosher's acid;(R)-a-Methoxy-a-(trifluoromethyl)benzeneaceticacid;(aR)-a-Methoxy-a-(trifluoromethyl)benzeneacetic acid;
  • PSA 46.53000
  • LogP 2.17520

(R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid Chemical Properties

Product Name: (R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid (CAS NO.20445-31-2)

Molecular Formula: C10H9F3O3
Molecular Weight: 234.17g/mol
Mol File: 20445-31-2.mol
EINECS: 243-829-5
Appearance: white crystalline low melting solid
Melting Point: 46-49 °C(lit.)
Storage Temperature: 2-8°C
Sensitive: Hygroscopic
Index of Refraction: 1.469 
Molar Refractivity: 48.4 cm3 
Molar Volume: 173.5 cm3  
Surface Tension: 34.4 dyne/cm 
Density: 1.349 g/cm3 
Flash Point: 134.2 °C 
Enthalpy of Vaporization: 55.59 kJ/mol 
Boiling Point: 287.2 °C at 760 mmHg 
Vapour Pressure: 0.00117 mmHg at 25°C 
XLogP3-AA: 2.3
H-Bond Donor: 1
H-Bond Acceptor: 6
Structure Descriptors of (R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid (CAS NO.20445-31-2):
  IUPAC Name: 3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
  Canonical SMILES: COC(C1=CC=CC=C1)(C(=O)O)C(F)(F)F
  InChI: InChI=1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15) 
  InChIKey: JJYKJUXBWFATTE-UHFFFAOYSA-N
Product Categories: Analytical Chemistry; e.e. / Absolute Configuration Determination (NMR); Enantiomer Excess & Absolute Configuration Determination

(R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid Safety Profile

Safety Information of (R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid (CAS NO.20445-31-2):
Hazard Codes: XiIrritant
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3
F: 3-10
Hazard Note: Irritant/Keep Cold
HazardClass: IRRITANT, HYGROSCOPIC, KEEP COLD

(R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid Specification

 (R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid , its CAS NO. is 20445-31-2, the synonyms are Mosher's Acid ; (+)-MTPA .

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