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(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid_Molecular_structure_CAS_20445-31-2)
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(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid

Catalog No. B22968 Name Alfa Aesar
CAS Number 20445-31-2 Website
M. F. C10H9F3O3 Telephone
M. W. 234.1718696 Fax
Purity 99% Email
Storage Chembase ID: 10378

SYNONYMS

Title
(R)-(+)-α-甲氧基-α-(三氟甲基) 苯乙酸
IUPAC name
(2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
IUPAC Traditional name
(2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
Synonyms
(+)-Mosher's acid
(+)-MTPA

DATABASE IDS

MDL Number MFCD00004184
EC Number 243-829-5
Beilstein Number 2215440
Merck Index 146280
CAS Number 20445-31-2

PROPERTIES

Purity 99%
Boiling Point 105-107°C/1mm
Density 1.344
Flash Point >110°C(230°F)
Melting Point 43-45°C
Optical Rotation +72 (c=2 in methanol)
Refractive Index 1.4730
GHS Pictograms GHS07
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
GHS Precautionary statements P261-P305+P351+P338-P302+P352-P321-P405-P501A
Risk Statements 36/37/38
Safety Statements 26-37
Storage Warning Hygroscopic
TSCA Listed

DETAILS

REFERENCES

  • Widely used reagent for determination of optical purities of alcohols and amines by 1H or 19F NMR: J. Org. Chem., 34, 2453 (1969).