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ChemicalBook--->CAS DataBase List--->938-94-3

938-94-3

938-94-3 Structure

938-94-3 Structure
IdentificationMore
[Name]

2-(4-Methylphenyl)propanoic acid
[CAS]

938-94-3
[Synonyms]

2-(4-METHYLPHENYL)PROPANOIC ACID
2-(4-METHYLPHENYL)PROPIONIC ACID
2-(P-TOLYL)PROPIONIC ACID
(2RS)-2-(4-METHYLPHENYL)PROPANOIC ACID
4-METHYL-2-PHENYLPROPIONIC ACID
ALPHA,4-DIMETHYLPHENYLACETIC ACID
IBUPROFEN IMP D
IBUPROFEN IMPURITY D
2-p-Tolylpropanoic acid
Methylphenylpropinoic acid
α,4-dimethylphenylacetic acid
p-Methylhydratropic acid.
2-(4-tolyl)propanoic acid
2-(4-Tolyl)propionic acid
2-p-Tolylpropanoic acid /2-(4-Tolyl)propionic acid
2-(p-Methylphenyl)propionic acid
a,4-Dimethylbenzeneacetic acid
[EINECS(EC#)]

627-324-0
[Molecular Formula]

C10H12O2
[MDL Number]

MFCD01111378
[Molecular Weight]

164.2
[MOL File]

938-94-3.mol
Chemical PropertiesBack Directory
[Appearance]

clear yellow liquid after melting
[Melting point ]

37-42 °C(lit.)
[Boiling point ]

231.67°C (rough estimate)
[density ]

1.0041 (rough estimate)
[refractive index ]

1.518-1.52
[Fp ]

>230 °F
[storage temp. ]

Sealed in dry,Room Temperature
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

4.44±0.10(Predicted)
[color ]

White to Off-White
[BRN ]

2251315
[CAS DataBase Reference]

938-94-3(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

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
[HS Code ]

29163990
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2-(4-Tolyl)propionic acid(938-94-3).msds
Hazard InformationBack Directory
[Chemical Properties]

clear yellow liquid after melting
[Uses]

2-(p-Tolyl)propionic acid is an impurity of Ibuprofen (I140000). Ibuprofen impurity D.
[Synthesis Reference(s)]

Synthesis, p. 231, 1984 DOI: 10.1055/s-1984-30784
Tetrahedron Letters, 36, p. 5641, 1995 DOI: 10.1016/0040-4039(95)01035-G
[General Description]

α,4-Dimethylphenylacetic acid is also referred to as 2-(4-methylphenyl)propanoic acid. It is an alkaline decomposition product of azalomycin-B, a macrolide antibiotic produced by Streptomyces hygroscopicus var. azalomyceticus. The reaction of pinonic acid with bromine in water affords 2-(4-methylphenyl)propanoic acid.
Spectrum DetailBack Directory
[Spectrum Detail]

2-(4-Methylphenyl)propanoic acid(938-94-3)IR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2-(p-Tolyl)propionic acid, 98%(938-94-3)
[Sigma Aldrich]

938-94-3(sigmaaldrich)
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