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| CAS No.: | 17257-71-5 |
|---|---|
| Name: | (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid |
| Molecular Structure: | |
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| Formula: | C10H9 F3 O3 |
| Molecular Weight: | 234.1719 |
| Synonyms: | Benzeneaceticacid, a-methoxy-a-(trifluoromethyl)-, (S)-;Hydratropic acid, b,b,b-trifluoro-a-methoxy-, (-)- (8CI); (-)-(S)-MTPA; (-)-MTPA;(-)-Mosher's acid; (-)-a-Methoxy-a-(trifluoromethyl)phenylaceticacid; (S)-(-)-3,3,3-Trifluoro-2-phenyl-2-methoxypropanoic acid; (S)-(-)-Mosheracid; (S)-(-)-b,b,b-Trifluoro-a-methoxyhydratropic acid; (S)-2-Methoxy-2-phenyl-2-(trifluoromethyl)ethanoicacid; (S)-2-Methoxy-2-trifluoromethylphenyl acetic acid; (S)-MTPA;(S)-Methoxy(trifluoromethyl)phenylacetic acid; (S)-Mosher acid; (S)-Mosher'sacid; (S)-a-Methoxy-a-(trifluoromethyl)phenylaceticacid; (aS)-a-Methoxy-a-(trifluoromethyl)benzeneacetic acid; Mosher's acid; S-(-)-a-Methoxy-a-(trifluoromethyl)phenylaceticacid |
| EINECS: | 241-292-1 |
| Density: | 1.303 |
| Melting Point: | 46-49 °C(lit.) |
| Boiling Point: | 95-97 °C0.05 mm Hg(lit.) |
| Flash Point: | 113 ºC |
| Hazard Symbols: |
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| Risk Codes: | R36/37/38 |
| Safety: | 26-36 |
| PSA: | 46.53000 |
| LogP: | 2.17520 |
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Chemistry
Molecular structure of (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid (CAS NO.17257-71-5) is:
Product Name: (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
CAS Registry Number: 17257-71-5
IUPAC Name: 3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid
Molecular Weight: 234.17187 [g/mol]
Molecular Formula: C10H9F3O3
XLogP3-AA: 2.3
H-Bond Donor: 1
H-Bond Acceptor: 6
Melting Point: 46-49 °C(lit.)
Refractive index: n20/D 1.474(lit.)
Storage temp.: 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
EINECS: 241-292-1
Product Categories: Analytical Chemistry;e.e. / Absolute Configuration Determination (NMR);Enantiomer Excess & Absolute Configuration Determination
Safety Profile
Safty information about (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid (CAS NO.17257-71-5) is:
Hazard Codes: 
Xi
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
Specification
(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid , its cas register number is 17257-71-5. It also can be called Mosher's Acid ; (-)-MTPA ; Benzeneacetic acid, a-methoxy-a-(trifluoromethyl)-, (aS)- ; (-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid .It is a clear colorless viscous liquid.