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Name	(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid	EINECS	241-292-1
CAS No.	17257-71-5	Density	1.303
PSA	46.53000	LogP	2.17520
Solubility	N/A	Melting Point	46-49 °C(lit.)
Formula	C10H9 F3 O3	Boiling Point	95-97 °C0.05 mm Hg(lit.)
Molecular Weight	234.1719	Flash Point	113 ºC
Transport Information	N/A	Appearance	N/A
Safety	26-36	Risk Codes	R36/37/38
Molecular Structure		Hazard Symbols
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	Article Data	15

(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid Chemical Properties

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

(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid Safety Profile

Safty information about (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid (CAS NO.17257-71-5) is:
Hazard Codes: Irritant 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

(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid 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.

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