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Home > Encyclopedia > 2-(4-Methylphenyl)propanoic acid

2-(4-Methylphenyl)propanoic acid

2-(4-Methylphenyl)propanoic acid structure

2-(4-Methylphenyl)propanoic acid 

structure
  • CAS No:

    938-94-3

  • Formula:

    C10H12O2

  • Chemical Name:

    2-(4-Methylphenyl)propanoic acid

  • Synonyms:

    2-(p-Tolyl)propionic acidalpha,4-Dimethylphenylacetic acid;2-(4-Methylphenyl)pr;2-(p-Tolyl)propionic acid, 98% 5GR;α-(p-Tolyl)propionic Acid;α,4-DiMethylbenzeneacetic Acid;Ibuprofen IMpurity-D -(EP);Ibuprofen EP Impurity D;5932B+5242:5246

Description

clear yellow liquid after melting


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 byStreptomyces hygroscopicusvar. azalomyceticus. The reaction of pinonic acid with bromine in water affords 2-(4-methylphenyl)propanoic acid.

2-(4-Methylphenyl)propanoic acid Basic Attributes

164.2

164.083725

2251315

627-324-0

White to Off-White

29163990

Characteristics

37.3

2.3

Solid.

1.0041 (rough estimate)

37-42 °C(lit.)

231.67°C (rough estimate)

175.2±13.9 °C

1.518-1.52

Store in a cool, dry place. Store in a tightly closed container.

4.44±0.10(Predicted)

Sealed in dry,Room Temperature

Safety Information

NONH for all modes of transport

3

Xi

26-36

Xi:Irritant;

P261-P305 + P351 + P338

36/37/38

|Warning|H315 (97.44%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 39 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

2-(4-tolyl)propanoic acid

2-(4-Methylphenyl)propanoic acid Use and Manufacturing

2-(p-Tolyl)propionic acid is an impurity of Ibuprofen (I140000). Ibuprofen impurity D.

Computed Properties

Molecular Weight:164.20
XLogP3:2.3
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:164.083729621
Monoisotopic Mass:164.083729621
Topological Polar Surface Area:37.3
Heavy Atom Count:12
Complexity:157
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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