ChemicalBook > CAS DataBase List > 2-(4-Methylphenyl)propanoic acid

2-(4-Methylphenyl)propanoic acid

Product Name
2-(4-Methylphenyl)propanoic acid
CAS No.
938-94-3
Chemical Name
2-(4-Methylphenyl)propanoic acid
Synonyms
2-p-Tolylpropanoic acid;2-(P-TOLYL)PROPIONIC ACID;(2RS)-2-(4-METHYLPHENYL)PROPANOIC ACID;Ibuprofen-3;2-(4-MethyL;5932B+5242:5246;IBUPROFEN IMP D;2-(4-Methylphenyl)pr;IBUPROFEN IMPURITY D;Ibuprofen EP Impurity D
CBNumber
CB1333307
Molecular Formula
C10H12O2
Formula Weight
164.2
MOL File
938-94-3.mol
More
Less

2-(4-Methylphenyl)propanoic acid Property

Melting point:
37-42 °C(lit.)
Boiling point:
231.67°C (rough estimate)
Density 
1.0041 (rough estimate)
refractive index 
1.518-1.52
Flash point:
>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)
More
Less

Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
HS Code 
29163990
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
PHR3321
Product name
(2RS)-2-(4-methylphenyl)propanoic acid
Purity
certified reference material, pharmaceutical secondary standard
Packaging
50MG
Price
$691
Updated
2024/03/01
Sigma-Aldrich
Product number
522449
Product name
α,4-Dimethylphenylacetic acid
Purity
97%
Packaging
5g
Price
$151
Updated
2023/06/20
TRC
Product number
T536780
Product name
2-(p-Tolyl)propionicAcid
Packaging
1g
Price
$70
Updated
2021/12/16
TRC
Product number
T536780
Product name
2-(p-Tolyl)propionicAcid
Packaging
25g
Price
$300
Updated
2021/12/16
Frontier Specialty Chemicals
Product number
JK986257
Product name
2-(4-Methylphenyl)propanoicacid
Purity
97%
Packaging
25g
Price
$325
Updated
2021/12/16
More
Less

2-(4-Methylphenyl)propanoic acid Chemical Properties,Usage,Production

Chemical Properties

clear yellow liquid after melting

Uses

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

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.

2-(4-Methylphenyl)propanoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

View Lastest Price from 2-(4-Methylphenyl)propanoic acid manufacturers

Henan Fengda Chemical Co., Ltd
Product
2-(4-Methylphenyl)propanoic acid 938-94-3
Price
US $5.00-0.10/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-16
Zhuozhou Wenxi import and Export Co., Ltd
Product
2-(4-Methylphenyl)propanoic acid 938-94-3
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11
Career Henan Chemical Co
Product
2-(4-Methylphenyl)propanoic acid 938-94-3
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
1000KG
Release date
2018-08-21

938-94-3, 2-(4-Methylphenyl)propanoic acidRelated Search:


  • 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
  • 2-(4-METHYLPHENYL)PROPA
  • Ibuprofen-3
  • 2-(p-Tolyl)proplonic acid
  • Ibuprofen EP Impurity D (2-(p-Tolyl)propionic Acid)
  • (2S)-2-(4-methylphenyl)propanoate
  • IBUPROFEN IMP D
  • IBUPROFEN IMPURITY D
  • 4-METHYL-2-PHENYLPROPIONIC ACID
  • alpha,4-Dimethylphenylacetic acid 97%
  • (2R)-2-(4-Methylphenyl)propanoic acid
  • ALPHA,4-DIMETHYLPHENYLACETIC ACID
  • 2-(4-METHYLPHENYL)PROPANOIC ACID
  • 2-(4-METHYLPHENYL)PROPIONIC ACID
  • 2-(P-TOLYL)PROPIONIC ACID
  • (2RS)-2-(4-METHYLPHENYL)PROPANOIC ACID
  • 2-(p-Methylphenyl)propionic acid
  • a,4-Dimethylbenzeneacetic acid
  • 2-(p-Tolyl)propionic acid,98%
  • 2-p-Tolylpropanoic acid
  • α,4-dimethylphenylacetic acid
  • p-Methylhydratropic acid.
  • 2-(4-tolyl)propanoic acid
  • 2-(4-Tolyl)propionic acid
  • Methylphenylpropinoic acid
  • 2-p-Tolylpropanoic acid / 2-(4-Tolyl)propionic acid
  • Ibuprofen EP Impurity D:Ibuprofen Impurity D
  • (2RS)-2-(4-Methylphenyl)propanoic A
  • 2-(4-MethyL
  • Benzeneacetic acid, α,4-dimethyl-
  • Ibuprofen Impurity 4(Ibuprofen EP Impurity D)
  • p-Methyl isopropionic acid 
  • Ibuprofen Impurity DQ: What is Ibuprofen Impurity D Q: What is the CAS Number of Ibuprofen Impurity D Q: What is the storage condition of Ibuprofen Impurity D Q: What are the applications of Ibuprofen Impurity D
  • α,4-Dimethylphenylacetic acid
  • 2-(4-Methylphenyl)propanoicaci
  • 938-94-3
  • CH3C6H4CHCH3CO2H
  • CARBOXYLIC ACID
  • Building Blocks
  • Carbonyl Compounds
  • Carboxylic Acids
  • C10
  • Organic Building Blocks
  • Aromatic Propionic Acids
  • Carboxylic Acids
  • Phenyls & Phenyl-Het
  • Carboxylic Acids
  • Phenyls & Phenyl-Het
  • Intermediates