(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid

• Catalog No.: B22968
• CAS Number: 20445-31-2
• M. F.: C10H9F3O3
• M. W.: 234.1718696
• Purity: 99%

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 Hazard statements: H315-H319-H335
• European Hazard Symbols: 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: 否

REFERENCES

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